title
🔊 How to use Audacity to Record & Edit Audio | Beginners Tutorial

description
In this step-by-step tutorial, learn how to record and edit audio using Audacity. Audacity is free and open source and works across platforms, including Windows, Mac, and Linux. 📚 RESOURCES - Download Audacity: https://www.audacityteam.org/ ⌚ TIMESTAMPS 00:00 Introduction 00:51 Download Audacity 01:21 Main interface 01:51 Project rate / Sample rate 03:34 MME, Windows DirectSound & WASAPI audio drivers 04:12 Set microphone & playback device 05:20 Set & monitor recording levels 08:42 Record audio 10:59 Playback & selection tools 14:52 Zoom tool 16:43 Import audio 17:31 Save project 18:48 Adjust gain 19:58 Mute & solo tracks 20:41 Delete audio segments 22:34 Envelope tool 24:06 Amplify effect 25:37 Time shift tool 26:59 Insert silence 27:45 Split clips 28:12 Copy, paste & cut 29:08 Auto duck effect 31:41 Fade effect 32:33 Remove background noise 34:00 Compressor 35:36 Preview finished commercial 36:09 Distribute audio as wav, mp3 or other types 37:47 Wrap up 📺 RELATED VIDEOS - Playlist with all my videos on Audacity: https://youtube.com/playlist?list=PLlKpQrBME6xKm9iJlVHWbJd_xAvtAQy6W 🙌 SUPPORT THE CHANNEL - Hit the THANKS button in any video! - Amazon affiliate link: https://amzn.to/3kCP2yz (Purchasing through this link gives me a small commission to support videos on this channel -- the price to you is the same) 🔽 CONNECT WITH ME - Official web site: http://www.kevinstratvert.com - LinkedIn: https://www.linkedin.com/in/kevinstratvert/ - Discord: https://discord.gg/kHuujY2pZf - Twitter: https://twitter.com/kevstrat - Facebook: https://www.facebook.com/Kevin-Stratvert-101912218227818 - TikTok: https://www.tiktok.com/@kevinstratvert - Instagram: https://www.instagram.com/kevinstratvert/ 🎒 MY COURSES - Excel for Beginners in under 2 hours: https://kevinstratvert.thinkific.com/ 🙏 REQUEST VIDEOS https://forms.gle/BDrTNUoxheEoMLGt5 🔔 SUBSCRIBE ON YOUTUBE https://www.youtube.com/user/kevlers?sub_confirmation=1 #stratvert

detail
{'title': '🔊 How to use Audacity to Record & Edit Audio | Beginners Tutorial', 'heatmap': [{'end': 231.786, 'start': 206.459, 'weight': 0.711}, {'end': 696.95, 'start': 668.345, 'weight': 0.737}, {'end': 1061.706, 'start': 1035.58, 'weight': 0.822}, {'end': 1688.356, 'start': 1636.277, 'weight': 0.703}, {'end': 2033.714, 'start': 1982.812, 'weight': 1}, {'end': 2289.03, 'start': 2280.782, 'weight': 0.884}], 'summary': 'This tutorial on using audacity for audio recording and editing covers downloading, installation, configuring project rates, recording setup, playback and editing tools, audio editing process, volume adjustment, automatic volume adjustment feature, and final export in wav format, aiming to equip viewers with comprehensive knowledge on audio recording and editing using audacity.', 'chapters': [{'end': 92.283, 'segs': [{'end': 70.184, 'src': 'embed', 'start': 3.752, 'weight': 0, 'content': [{'end': 5.273, 'text': 'Hi everyone, Kevin here.', 'start': 3.752, 'duration': 1.521}, {'end': 9.576, 'text': 'Today I want to show you how you can use Audacity.', 'start': 5.533, 'duration': 4.043}, {'end': 14.1, 'text': 'With Audacity, you can both record and edit audio.', 'start': 10.377, 'duration': 3.723}, {'end': 21.065, 'text': "It's free, it's open source, and it works on all major platforms including Windows, Mac, and Linux.", 'start': 14.76, 'duration': 6.305}, {'end': 25.328, 'text': "If you want to jump around this video, I've included timestamps down below.", 'start': 21.646, 'duration': 3.682}, {'end': 32.894, 'text': "To help you understand how Audacity works, I'm going to be pulling together a radio commercial for the Kevin Cookie Company.", 'start': 26.149, 'duration': 6.745}, {'end': 35.635, 'text': "I'll record it and then I'll also go through and edit.", 'start': 33.254, 'duration': 2.381}, {'end': 37.897, 'text': "You can follow along if you'd like.", 'start': 36.196, 'duration': 1.701}, {'end': 46.263, 'text': "My goal is by the end of this video, you'll have comprehensive knowledge of how you can both record and also edit using Audacity.", 'start': 38.277, 'duration': 7.986}, {'end': 51.726, 'text': "All right, let's jump on the PC and let's start out with how you can even get Audacity.", 'start': 47.043, 'duration': 4.683}, {'end': 56.489, 'text': 'To download Audacity, head to the website audacityteam.org.', 'start': 51.986, 'duration': 4.503}, {'end': 59.571, 'text': "I've also included a link in the description down below.", 'start': 56.929, 'duration': 2.642}, {'end': 60.872, 'text': 'You can just click on that.', 'start': 59.791, 'duration': 1.081}, {'end': 66.115, 'text': "Once you land on the homepage, you'll see a prominent button for download Audacity.", 'start': 61.452, 'duration': 4.663}, {'end': 66.816, 'text': 'Click on that.', 'start': 66.235, 'duration': 0.581}, {'end': 70.184, 'text': 'This will drop you on the download page.', 'start': 68.342, 'duration': 1.842}], 'summary': 'Learn how to record and edit audio using audacity, a free and open-source tool available for windows, mac, and linux.', 'duration': 66.432, 'max_score': 3.752, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA3752.jpg'}], 'start': 3.752, 'title': 'Using audacity for audio', 'summary': 'Demonstrates how to use audacity for recording and editing audio, emphasizing its free, open source nature and compatibility with major platforms. it aims to equip viewers with comprehensive knowledge on audio recording and editing using audacity, including guidance on downloading and installation.', 'chapters': [{'end': 92.283, 'start': 3.752, 'title': 'Using audacity for audio recording and editing', 'summary': 'Demonstrates how to use audacity for recording and editing audio, highlighting its free, open source nature and compatibility with major platforms. it also provides guidance on downloading and installing audacity, aiming to equip viewers with comprehensive knowledge on audio recording and editing using audacity.', 'duration': 88.531, 'highlights': ['Audacity is free, open source, and works on all major platforms including Windows, Mac, and Linux, making it accessible to a wide range of users.', 'The chapter guides viewers on downloading Audacity from audacityteam.org, providing a link in the description and demonstrating the installation process, ensuring accessibility to the software.', 'The goal of the video is to equip viewers with comprehensive knowledge of how to record and edit using Audacity, aiming to provide a clear learning outcome for the audience.', 'The demonstration includes creating a radio commercial for the Kevin Cookie Company, providing a practical example for viewers to follow along and understand how to use Audacity for audio editing and recording.']}], 'duration': 88.531, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA3752.jpg', 'highlights': ['Audacity is free, open source, and works on all major platforms including Windows, Mac, and Linux, making it accessible to a wide range of users.', 'The chapter guides viewers on downloading Audacity from audacityteam.org, providing a link in the description and demonstrating the installation process, ensuring accessibility to the software.', 'The demonstration includes creating a radio commercial for the Kevin Cookie Company, providing a practical example for viewers to follow along and understand how to use Audacity for audio editing and recording.', 'The goal of the video is to equip viewers with comprehensive knowledge of how to record and edit using Audacity, aiming to provide a clear learning outcome for the audience.']}, {'end': 582.164, 'segs': [{'end': 231.786, 'src': 'heatmap', 'start': 156.694, 'weight': 0, 'content': [{'end': 162.055, 'text': 'The sample rate is basically the same thing as frames, but we call it sample rate for sound.', 'start': 156.694, 'duration': 5.361}, {'end': 169.064, 'text': 'Now, the more frames you have in video, the more accurate it is, and the same holds for sound.', 'start': 162.555, 'duration': 6.509}, {'end': 172.848, 'text': 'The higher your sample rate, the more accurate the sound will be.', 'start': 169.284, 'duration': 3.564}, {'end': 177.594, 'text': 'You took more samples and it more closely represents what that sound wave looks like.', 'start': 172.888, 'duration': 4.706}, {'end': 185.843, 'text': "However, as you go higher up, the file size will also become larger and also most people's ears can't really hear the difference.", 'start': 178.115, 'duration': 7.728}, {'end': 194.873, 'text': "That's why when you buy, let's say a typical music CD, the sample rate will be 44,100 and so that's considered very good quality.", 'start': 186.504, 'duration': 8.369}, {'end': 198.036, 'text': "And when you go higher than that, you just can't really hear the difference.", 'start': 195.353, 'duration': 2.683}, {'end': 206.459, 'text': "Usually when you select the sample rate for your project, you'll go anywhere between 44,100 all the way up to 96,000.", 'start': 198.997, 'duration': 7.462}, {'end': 208.599, 'text': "And that'll give you very good quality.", 'start': 206.459, 'duration': 2.14}, {'end': 214.101, 'text': "For today, I'm going to go with 48,000 as the project rate or my sample rate.", 'start': 209.34, 'duration': 4.761}, {'end': 219.382, 'text': "Now that we've set the project rate, let's shift our focus up into the top left hand corner.", 'start': 214.501, 'duration': 4.881}, {'end': 222.303, 'text': 'And right up here we have this drop down list.', 'start': 219.782, 'duration': 2.521}, {'end': 227.644, 'text': 'This contains all of the different audio drivers that you can use to record sound.', 'start': 222.503, 'duration': 5.141}, {'end': 230.205, 'text': "You have one that's called MME.", 'start': 228.124, 'duration': 2.081}, {'end': 231.786, 'text': 'This is the oldest of the bunch.', 'start': 230.365, 'duration': 1.421}], 'summary': 'Higher sample rates result in more accurate sound, typically ranging from 44,100 to 96,000, with 48,000 providing very good quality.', 'duration': 65.609, 'max_score': 156.694, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA156694.jpg'}, {'end': 501.81, 'src': 'embed', 'start': 476.135, 'weight': 1, 'content': [{'end': 481.48, 'text': 'So right here, you notice that the wave is just getting cut off on top and you just see this flat surface.', 'start': 476.135, 'duration': 5.345}, {'end': 485.804, 'text': 'So once again, setting your levels at the beginning is a really good practice.', 'start': 481.92, 'duration': 3.884}, {'end': 491.386, 'text': "And speaking of good practices, it's also good before you're ready to record.", 'start': 486.344, 'duration': 5.042}, {'end': 495.848, 'text': "Let's say you're going to sit down and record an interview or maybe you're going to record one of your classes.", 'start': 491.426, 'duration': 4.422}, {'end': 497.308, 'text': "Maybe it's an hour-long class.", 'start': 495.908, 'duration': 1.4}, {'end': 501.81, 'text': 'Take a sample recording just to make sure everything sounds good first.', 'start': 497.849, 'duration': 3.961}], 'summary': 'Setting levels before recording is a good practice. taking a sample recording is recommended, especially for an hour-long class.', 'duration': 25.675, 'max_score': 476.135, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA476135.jpg'}, {'end': 573.197, 'src': 'embed', 'start': 534.477, 'weight': 3, 'content': [{'end': 539.8, 'text': "Now as a good practice, don't start speaking immediately after clicking the record button.", 'start': 534.477, 'duration': 5.323}, {'end': 543.002, 'text': 'Just wait a moment or two and then start speaking.', 'start': 540.26, 'duration': 2.742}, {'end': 546.144, 'text': 'This way you have a little bit of buffer at the beginning of the clip.', 'start': 543.062, 'duration': 3.082}, {'end': 551.928, 'text': "We'll be able to go back and we could remove that later, but it's just kind of a good practice to get the room noise,", 'start': 546.685, 'duration': 5.243}, {'end': 556.131, 'text': "especially if you want to get rid of background noise, and later on I'll show you how we can do that.", 'start': 551.928, 'duration': 4.203}, {'end': 558.453, 'text': "But for now, I'll click on this record icon.", 'start': 556.531, 'duration': 1.922}, {'end': 573.197, 'text': "Mmm, the Kevin Cookie Company makes some of the most delicious cookies that you've probably never had before.", 'start': 565.571, 'duration': 7.626}], 'summary': 'Wait before speaking, record room noise for background removal. kevin cookie company has delicious cookies.', 'duration': 38.72, 'max_score': 534.477, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA534477.jpg'}], 'start': 93.024, 'title': 'Configuring project rate and recording setup in audacity', 'summary': 'Discusses the significance of configuring project rate in audacity, highlighting the impact of sample rates on sound accuracy, with music cd quality at 44,100 and recommended rates of 44,100 to 96,000. it also explains recording setup, emphasizing the importance of appropriate levels to avoid clipping and best practices for recording.', 'chapters': [{'end': 222.303, 'start': 93.024, 'title': 'Configuring project rate in audacity', 'summary': 'Discusses the importance of configuring the project rate, also known as the sample rate, in audacity, emphasizing that higher sample rates result in more accurate sound representation, with typical music cd quality being 44,100, and recommendable sample rates ranging from 44,100 to 96,000.', 'duration': 129.279, 'highlights': ['Importance of Sample Rate in Sound Representation The higher the sample rate, the more accurate the sound representation, with typical music CD quality being 44,100, and recommendable sample rates ranging from 44,100 to 96,000.', 'Comparison with Video Frame Rate Analogizes the sample rate in sound to frames per second in video, emphasizing that more frames or samples result in more accurate representation, and explains that most people cannot hear the difference beyond a certain sample rate.', "Setting the Project Rate in Audacity Recommends setting the project rate or sample rate between 44,100 and 96,000 for very good quality, with typical music CD quality at 44,100, and the speaker's choice for the project rate being 48,000."]}, {'end': 582.164, 'start': 222.503, 'title': 'Recording setup in audacity', 'summary': 'Explains how to configure audio settings in audacity including selecting audio drivers, choosing a microphone, adjusting recording levels, and setting up for recording, emphasizing the importance of setting appropriate levels to avoid clipping and the best practices for recording.', 'duration': 359.661, 'highlights': ['The importance of setting appropriate levels to avoid clipping The chapter emphasizes the importance of setting appropriate levels to avoid clipping, demonstrating how turning the microphone levels too high results in clipping, which degrades the quality of the recording.', 'Selecting audio drivers and configuring microphone and playback device The chapter explains the different audio drivers available, such as MME, Windows Direct Sound, and Windows Wasapi, and guides the selection of microphone and playback device, providing options for mono or stereo recording.', 'Setting up for recording and best practices The chapter highlights the importance of taking a sample recording before a longer session to ensure the setup is correct, emphasizing the importance of not immediately speaking after clicking the record button and waiting to start speaking to allow for room noise buffer.']}], 'duration': 489.14, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA93024.jpg', 'highlights': ['The higher the sample rate, the more accurate the sound representation, with typical music CD quality being 44,100, and recommendable sample rates ranging from 44,100 to 96,000.', 'Importance of setting appropriate levels to avoid clipping, demonstrating how turning the microphone levels too high results in clipping, which degrades the quality of the recording.', "Setting the project rate or sample rate between 44,100 and 96,000 for very good quality, with typical music CD quality at 44,100, and the speaker's choice for the project rate being 48,000.", 'The chapter emphasizes the importance of taking a sample recording before a longer session to ensure the setup is correct, emphasizing the importance of not immediately speaking after clicking the record button and waiting to start speaking to allow for room noise buffer.', 'Analogizes the sample rate in sound to frames per second in video, emphasizing that more frames or samples result in more accurate representation, and explains that most people cannot hear the difference beyond a certain sample rate.']}, {'end': 1262.383, 'segs': [{'end': 696.95, 'src': 'heatmap', 'start': 645.904, 'weight': 2, 'content': [{'end': 650.687, 'text': "And as I'm speaking, some letters are a little bit louder than others or some words are a little bit louder.", 'start': 645.904, 'duration': 4.783}, {'end': 655.709, 'text': 'And here you can see when I emphasize certain words, you see that the wave spikes a little bit.', 'start': 651.087, 'duration': 4.622}, {'end': 659.551, 'text': 'So this is a quick way where you can visualize what your speech looks like.', 'start': 655.749, 'duration': 3.802}, {'end': 667.905, 'text': 'To play my audio, to hear how it sounds, I can go up to the top left-hand corner and I can click on this play icon.', 'start': 660.461, 'duration': 7.444}, {'end': 672.467, 'text': "When I hover over this, you'll see some of the associated shortcut keys.", 'start': 668.345, 'duration': 4.122}, {'end': 675.349, 'text': 'Here, for example, I could also press the space bar.', 'start': 673.008, 'duration': 2.341}, {'end': 680.411, 'text': "And if I press shift together with the space bar, that'll loop play.", 'start': 675.789, 'duration': 4.622}, {'end': 686.114, 'text': 'Right here, I could click my mouse over here and this will set the play head to this start position.', 'start': 681.032, 'duration': 5.082}, {'end': 688.836, 'text': "So let me press the space bar and let's play this.", 'start': 686.535, 'duration': 2.301}, {'end': 696.95, 'text': "When I press the spacebar again, it'll stop playing and the playhead goes right back to where I started.", 'start': 691.462, 'duration': 5.488}], 'summary': 'Visualize speech waveforms and playback controls demonstrated using software.', 'duration': 42.932, 'max_score': 645.904, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA645904.jpg'}, {'end': 882.396, 'src': 'embed', 'start': 835.049, 'weight': 1, 'content': [{'end': 839.252, 'text': 'So there you see how I can just play a specific selection of my audio.', 'start': 835.049, 'duration': 4.203}, {'end': 841.194, 'text': 'Now some other neat tricks.', 'start': 839.673, 'duration': 1.521}, {'end': 847.338, 'text': 'Here I can highlight a portion of my clip and when I hover over up on top here on the timeline,', 'start': 841.414, 'duration': 5.924}, {'end': 850.921, 'text': "I can highlight this section here and it'll automatically start playing.", 'start': 847.338, 'duration': 3.583}, {'end': 860.268, 'text': "If you've ever had Miss Fields, Nabisco, that's yet another way I can play back a certain portion of my audio track.", 'start': 851.861, 'duration': 8.407}, {'end': 866.673, 'text': 'Especially as you start recording a lot of audio, you might want to jump to the beginning or maybe you want to jump to the end.', 'start': 860.788, 'duration': 5.885}, {'end': 873.694, 'text': 'You can use the scroll bar on the bottom to move forward or back or up here you can also click on these icons.', 'start': 867.153, 'duration': 6.541}, {'end': 877.515, 'text': 'So here if I click this, this will jump me to the start or I could jump to the end.', 'start': 873.714, 'duration': 3.801}, {'end': 882.396, 'text': "Once again, when I hover over here you'll see the associated shortcut key.", 'start': 878.015, 'duration': 4.381}], 'summary': 'Demonstrates specific audio playback features and controls for efficient editing and navigation.', 'duration': 47.347, 'max_score': 835.049, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA835049.jpg'}, {'end': 1067.93, 'src': 'heatmap', 'start': 1035.58, 'weight': 0.822, 'content': [{'end': 1038.964, 'text': 'Here I could go to import and I could import audio here as well.', 'start': 1035.58, 'duration': 3.384}, {'end': 1040.724, 'text': 'Now even easier.', 'start': 1039.685, 'duration': 1.039}, {'end': 1048.972, 'text': "I can also simply take some audio that I have on my computer, let's say in File Explorer, and I can drag and drop it into Audacity,", 'start': 1040.724, 'duration': 8.248}, {'end': 1052.415, 'text': 'and that is just another way to get sound into Audacity.', 'start': 1048.972, 'duration': 3.443}, {'end': 1055.303, 'text': 'My project is starting to come together.', 'start': 1053.342, 'duration': 1.961}, {'end': 1056.424, 'text': 'I have my music.', 'start': 1055.323, 'duration': 1.101}, {'end': 1058.124, 'text': 'I have some voiceover on here.', 'start': 1056.504, 'duration': 1.62}, {'end': 1061.706, 'text': "I want to save it just to ensure that I don't lose anything.", 'start': 1058.145, 'duration': 3.561}, {'end': 1067.93, 'text': "Up here in the top left hand corner, I'll click on file and then there's the option to save the project.", 'start': 1062.347, 'duration': 5.583}], 'summary': 'Import audio via drag and drop into audacity for project saving.', 'duration': 32.35, 'max_score': 1035.58, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1035579.jpg'}, {'end': 1067.93, 'src': 'embed', 'start': 1040.724, 'weight': 0, 'content': [{'end': 1048.972, 'text': "I can also simply take some audio that I have on my computer, let's say in File Explorer, and I can drag and drop it into Audacity,", 'start': 1040.724, 'duration': 8.248}, {'end': 1052.415, 'text': 'and that is just another way to get sound into Audacity.', 'start': 1048.972, 'duration': 3.443}, {'end': 1055.303, 'text': 'My project is starting to come together.', 'start': 1053.342, 'duration': 1.961}, {'end': 1056.424, 'text': 'I have my music.', 'start': 1055.323, 'duration': 1.101}, {'end': 1058.124, 'text': 'I have some voiceover on here.', 'start': 1056.504, 'duration': 1.62}, {'end': 1061.706, 'text': "I want to save it just to ensure that I don't lose anything.", 'start': 1058.145, 'duration': 3.561}, {'end': 1067.93, 'text': "Up here in the top left hand corner, I'll click on file and then there's the option to save the project.", 'start': 1062.347, 'duration': 5.583}], 'summary': 'Using audacity to import audio, add music and voiceover, and save project.', 'duration': 27.206, 'max_score': 1040.724, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1040723.jpg'}], 'start': 584.225, 'title': 'Audio playback and editing tools and audio editing in audacity', 'summary': 'Covers various audio playback and editing tools such as volume adjustment, waveform visualization, playback controls, and navigation, as well as how to import, save, and edit audio tracks in audacity, including adjusting levels and addressing legal considerations for commercial content creation.', 'chapters': [{'end': 999.594, 'start': 584.225, 'title': 'Audio playback and editing tools', 'summary': 'Demonstrates various audio playback and editing tools including adjusting volume, visualizing waveforms, playing, pausing, looping, selecting, zooming in and out, and navigating through the recording.', 'duration': 415.369, 'highlights': ['The chapter demonstrates various audio playback and editing tools. The chapter covers a wide range of audio playback and editing tools such as adjusting volume, visualizing waveforms, playing, pausing, looping, selecting, zooming in and out, and navigating through the recording.', 'Visualizing waveforms helps in understanding speech patterns and loudness variations. The speaker explains how visualizing waveforms helps in understanding speech patterns, loudness variations, and matching speech to waveforms.', 'Playback options include playing, pausing, and looping using keyboard shortcuts and mouse clicks. The chapter explains playback options such as playing, pausing, and looping using keyboard shortcuts, mouse clicks, and setting play head positions.', 'Selecting and playing a specific portion of the audio is demonstrated. The process of selecting and playing a specific portion of the audio is demonstrated, including expanding or reducing the selection, playing a specific selection, and using shortcut keys for selection.', 'Zooming in and out of the waveform is explained using the zoom tool and icons. The explanation covers zooming in and out of the waveform using the zoom tool, icons, and mouse clicks, including visualizing sample rate and zooming into specific sections of the waveform.', 'Options for navigating through the recording include using the scroll bar and shortcut keys. The chapter details options for navigating through the recording, including using the scroll bar, shortcut keys like home and end, and jumping to the beginning or end of the recording.']}, {'end': 1262.383, 'start': 1000.094, 'title': 'Audio editing in audacity', 'summary': 'Explains how to import, save, and edit audio tracks in audacity, adjust audio levels, mute and solo tracks, and provides insights into the legal aspect of commercial content creation.', 'duration': 262.289, 'highlights': ['The chapter covers importing audio, saving projects, and exporting files in Audacity.', 'It explains adjusting audio levels using gain to balance the music and voiceover.', 'It demonstrates muting and soloing tracks for focused and efficient editing.', 'Insights into legal considerations for commercial content creation are provided.']}], 'duration': 678.158, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA584225.jpg', 'highlights': ['The chapter covers importing audio, saving projects, and exporting files in Audacity.', 'The chapter demonstrates various audio playback and editing tools.', 'Visualizing waveforms helps in understanding speech patterns and loudness variations.', 'Playback options include playing, pausing, and looping using keyboard shortcuts and mouse clicks.', 'Selecting and playing a specific portion of the audio is demonstrated.', 'Options for navigating through the recording include using the scroll bar and shortcut keys.']}, {'end': 1852.408, 'segs': [{'end': 1324.814, 'src': 'embed', 'start': 1298.015, 'weight': 1, 'content': [{'end': 1303.46, 'text': "There's basically no loudness to my voice because I'm not speaking, so you'll just see this flat waveform.", 'start': 1298.015, 'duration': 5.445}, {'end': 1305.082, 'text': "Let's see if it's in this section.", 'start': 1303.781, 'duration': 1.301}, {'end': 1314.006, 'text': "If you've ever had Miss Fields, Nabisco, or other so-called cookie brands, you haven't experienced a good cookie yet.", 'start': 1306.5, 'duration': 7.506}, {'end': 1317.808, 'text': "And that's the section where I refer to these different companies.", 'start': 1314.746, 'duration': 3.062}, {'end': 1319.37, 'text': 'So I want to cut this out.', 'start': 1318.029, 'duration': 1.341}, {'end': 1324.814, 'text': "To delete this, I'm going to go to the top and once again, I'll select this selection tool.", 'start': 1319.81, 'duration': 5.004}], 'summary': 'The transcript discusses editing audio and criticizing popular cookie brands.', 'duration': 26.799, 'max_score': 1298.015, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1298015.jpg'}, {'end': 1366.14, 'src': 'embed', 'start': 1338.828, 'weight': 0, 'content': [{'end': 1343.594, 'text': "So next I could simply click on the delete key and that'll remove that portion of my audio.", 'start': 1338.828, 'duration': 4.766}, {'end': 1344.956, 'text': 'Now, if I play it.', 'start': 1344.135, 'duration': 0.821}, {'end': 1348.247, 'text': 'Find the nearest..', 'start': 1346.786, 'duration': 1.461}, {'end': 1351.87, 'text': "You'll hear that it simply jumps to the next section where I call out the website.", 'start': 1348.247, 'duration': 3.623}, {'end': 1353.131, 'text': 'So I think that sounds pretty good.', 'start': 1351.99, 'duration': 1.141}, {'end': 1355.212, 'text': "I think the legal team won't be worried anymore.", 'start': 1353.171, 'duration': 2.041}, {'end': 1360.136, 'text': "Now that I've addressed that issue, I want to look at the next thing that I need to fix.", 'start': 1355.973, 'duration': 4.163}, {'end': 1366.14, 'text': "And here you'll notice that the intro waveform is a lot larger than the website waveform.", 'start': 1360.596, 'duration': 5.544}], 'summary': 'Using the delete key removes audio portion, improving legal compliance and addressing issue.', 'duration': 27.312, 'max_score': 1338.828, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1338828.jpg'}, {'end': 1409.273, 'src': 'embed', 'start': 1381.518, 'weight': 3, 'content': [{'end': 1384.9, 'text': "First, I want to show you how we can use what's called the envelope tool.", 'start': 1381.518, 'duration': 3.382}, {'end': 1388.223, 'text': "When I click on this, you'll notice my track changes a little bit.", 'start': 1385.381, 'duration': 2.842}, {'end': 1390.885, 'text': "Here I'll go back to selection and I'll click on envelope.", 'start': 1388.263, 'duration': 2.622}, {'end': 1394.666, 'text': 'And here you see a dark gray line and a lighter gray line.', 'start': 1391.465, 'duration': 3.201}, {'end': 1398.028, 'text': 'Right here I can click where I want to make an adjustment.', 'start': 1395.207, 'duration': 2.821}, {'end': 1400.989, 'text': "So there's the first frame and then I'll click on the second one.", 'start': 1398.128, 'duration': 2.861}, {'end': 1403.971, 'text': 'And maybe I want it to start rising right about there.', 'start': 1401.509, 'duration': 2.462}, {'end': 1407.492, 'text': 'So there you see that I can raise the volume level by dragging that up.', 'start': 1404.051, 'duration': 3.441}, {'end': 1409.273, 'text': "Here I'll drag it right up near the top.", 'start': 1407.572, 'duration': 1.701}], 'summary': 'Using the envelope tool to adjust volume levels in a track.', 'duration': 27.755, 'max_score': 1381.518, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1381518.jpg'}, {'end': 1480.174, 'src': 'embed', 'start': 1454.06, 'weight': 4, 'content': [{'end': 1462.825, 'text': "Right up in the effect menu, there's an option for amplify and let me select this section right here and I'll go up to effect and then amplify.", 'start': 1454.06, 'duration': 8.765}, {'end': 1469.348, 'text': 'Right here I have to either enter in the amplification or I could enter in the new peak amplitude.', 'start': 1463.545, 'duration': 5.803}, {'end': 1471.69, 'text': 'How do I know what numbers to enter in there?', 'start': 1469.729, 'duration': 1.961}, {'end': 1473.611, 'text': 'Well, to figure out the numbers,', 'start': 1472.29, 'duration': 1.321}, {'end': 1480.174, 'text': "we're going to listen to the audio here at the beginning and we'll use this as a reference for setting the amplitude over here.", 'start': 1473.611, 'duration': 6.563}], 'summary': 'The audio editing software offers an amplify option, allowing users to adjust the amplification or peak amplitude, using the audio as a reference.', 'duration': 26.114, 'max_score': 1454.06, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1454060.jpg'}, {'end': 1531.45, 'src': 'embed', 'start': 1502.176, 'weight': 6, 'content': [{'end': 1503.878, 'text': "So once again, I'll highlight this.", 'start': 1502.176, 'duration': 1.702}, {'end': 1505.32, 'text': 'Let me go to effect.', 'start': 1504.318, 'duration': 1.002}, {'end': 1511.388, 'text': "Amplify, and right down here, I'll use this slider to go right down to about, let's say, negative seven.", 'start': 1505.82, 'duration': 5.568}, {'end': 1515.813, 'text': "So that aligns with the other clip right here, and then I'll click on OK.", 'start': 1511.708, 'duration': 4.105}, {'end': 1516.955, 'text': 'And now look at that.', 'start': 1516.114, 'duration': 0.841}, {'end': 1522.542, 'text': 'The waveforms match much more closely, so the volume level is similar across these two.', 'start': 1517.035, 'duration': 5.507}, {'end': 1526.146, 'text': 'My commercial is starting to come along nicely.', 'start': 1523.323, 'duration': 2.823}, {'end': 1529.168, 'text': 'Let me go back and listen to what it sounds like so far.', 'start': 1526.286, 'duration': 2.882}, {'end': 1531.45, 'text': "I'll press the home key on my keyboard.", 'start': 1529.549, 'duration': 1.901}], 'summary': 'Adjusting the volume to -7 to align waveforms, ensuring similar volume levels across clips while working on a commercial project.', 'duration': 29.274, 'max_score': 1502.176, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1502176.jpg'}, {'end': 1710.444, 'src': 'heatmap', 'start': 1636.277, 'weight': 5, 'content': [{'end': 1638.218, 'text': 'So, I basically want to insert a gap.', 'start': 1636.277, 'duration': 1.941}, {'end': 1640.781, 'text': 'There are a few different ways I can do this.', 'start': 1638.699, 'duration': 2.082}, {'end': 1645.225, 'text': "I'll put my playhead right here and I'll go up to the top menu called generate.", 'start': 1641.301, 'duration': 3.924}, {'end': 1647.726, 'text': 'Right here I can generate silence.', 'start': 1645.845, 'duration': 1.881}, {'end': 1651.027, 'text': "I'll click on this and right here I can choose the format.", 'start': 1647.786, 'duration': 3.241}, {'end': 1657.069, 'text': "I'll go with hours, minutes, and seconds, and maybe I'll put in five additional seconds and then click on OK.", 'start': 1651.287, 'duration': 5.782}, {'end': 1662.711, 'text': 'So here now my speech starts, right at about the 25 second mark, or right before then.', 'start': 1657.629, 'duration': 5.082}, {'end': 1666.632, 'text': 'so it better fills out my commercial, and here I have my silence in between.', 'start': 1662.711, 'duration': 3.921}, {'end': 1670.593, 'text': 'As an alternative, I can put my playhead right here.', 'start': 1667.492, 'duration': 3.101}, {'end': 1676.714, 'text': 'I can go to edit and right down here under clip boundaries, I can split these clips.', 'start': 1670.613, 'duration': 6.101}, {'end': 1680.794, 'text': 'So you see this line appearing indicating that these are now separate clips.', 'start': 1676.914, 'duration': 3.88}, {'end': 1688.356, 'text': 'Once again, I can go over here and select the time shift tool and then I can position my second clip wherever I want.', 'start': 1681.375, 'duration': 6.981}, {'end': 1693.977, 'text': 'So here I can move it back a little bit or I could just leave it right there and this will be silence in between these two clips.', 'start': 1688.376, 'duration': 5.601}, {'end': 1701.56, 'text': "Now I don't know about you, but I really like this mmm at the beginning and I would love to incorporate it into this commercial again.", 'start': 1694.597, 'duration': 6.963}, {'end': 1710.444, 'text': 'So, just like I could use on my keyboard to copy things, you press Ctrl C and to paste, you use Ctrl V, or to cut, you use Ctrl X.', 'start': 1702.02, 'duration': 8.424}], 'summary': 'Demonstrates inserting a 5-second gap and splitting clips for better commercial timing and incorporating a sound effect using keyboard shortcuts.', 'duration': 74.167, 'max_score': 1636.277, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1636277.jpg'}], 'start': 1262.863, 'title': 'Audio editing process and volume adjustment', 'summary': 'Covers locating and removing specific audio sections using playbacks and visual waveforms, as well as volume adjustment techniques, tools, and sound effect incorporation to optimize a 30-second commercial.', 'chapters': [{'end': 1319.37, 'start': 1262.863, 'title': 'Audio editing process', 'summary': 'Demonstrates the process of locating and removing a specific section from an audio recording using playbacks and visual waveforms, with a focus on identifying the section and making the necessary edits.', 'duration': 56.507, 'highlights': ["The speaker uses playbacks to locate the specific section in the audio recording that needs to be deleted, demonstrating a practical approach to editing (e.g. 'Let's play it to see where it is').", "Visual waveforms are utilized to identify silent sections, allowing for precise editing by recognizing flat waveforms indicating no speech (e.g. 'There's basically no loudness to my voice because I'm not speaking, so you'll just see this flat waveform').", "The speaker highlights the inferiority of popular cookie brands such as Miss Fields and Nabisco, emphasizing the exceptional quality of the Kevin Cookie Company's products (e.g. 'If you've ever had Miss Fields, Nabisco, or other so-called cookie brands, you haven't experienced a good cookie yet')."]}, {'end': 1852.408, 'start': 1319.81, 'title': 'Audio editing and volume adjustment', 'summary': 'Discusses audio editing and volume adjustment, including using tools like selection, deletion, envelope, and amplify, as well as techniques for creating silence and incorporating sound effects, to optimize a 30-second commercial.', 'duration': 532.598, 'highlights': ['The chapter explains how to delete a portion of audio using the selection tool or the delete key, demonstrating the process of removing unwanted sections from the audio track. Demonstrates the process of using the selection tool or the delete key to remove a specific portion of the audio track.', 'It demonstrates the use of the envelope tool to adjust the volume levels of the audio track, including adding and adjusting control points to modify the volume levels at specific points in the track. Demonstrates the process of using the envelope tool to adjust volume levels by adding and adjusting control points in the audio track.', 'The chapter explains how to use the amplify effect to match the volume levels of different audio clips, including determining the appropriate amplification level based on the reference audio. Explains the process of using the amplify effect to match volume levels by determining the appropriate amplification based on the reference audio.', 'It details the process of creating silence in the audio track by generating a specified duration of silence or by splitting the audio track and using the time shift tool to position the clips, demonstrating different methods to introduce gaps in the audio track. Details the process of creating silence in the audio track by generating a specified duration of silence or by splitting the audio track and using the time shift tool to position the clips.', 'The chapter explains how to incorporate sound effects into the audio track using the copy and paste commands, including duplicating a specific sound segment to create a desired effect in the commercial. Explains the process of incorporating sound effects into the audio track using the copy and paste commands to duplicate a specific sound segment for the desired effect in the commercial.']}], 'duration': 589.545, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1262863.jpg', 'highlights': ['The speaker uses playbacks to locate the specific section in the audio recording that needs to be deleted, demonstrating a practical approach to editing.', 'Visual waveforms are utilized to identify silent sections, allowing for precise editing by recognizing flat waveforms indicating no speech.', 'The chapter explains how to delete a portion of audio using the selection tool or the delete key, demonstrating the process of removing unwanted sections from the audio track.', 'It demonstrates the use of the envelope tool to adjust the volume levels of the audio track, including adding and adjusting control points to modify the volume levels at specific points in the track.', 'The chapter explains how to use the amplify effect to match the volume levels of different audio clips, including determining the appropriate amplification level based on the reference audio.', 'It details the process of creating silence in the audio track by generating a specified duration of silence or by splitting the audio track and using the time shift tool to position the clips, demonstrating different methods to introduce gaps in the audio track.', 'The chapter explains how to incorporate sound effects into the audio track using the copy and paste commands, including duplicating a specific sound segment to create a desired effect in the commercial.']}, {'end': 2292.513, 'segs': [{'end': 1883.039, 'src': 'embed', 'start': 1852.848, 'weight': 0, 'content': [{'end': 1856.11, 'text': 'And down below you can even preview it to hear what it sounds like.', 'start': 1852.848, 'duration': 3.262}, {'end': 1859.711, 'text': "For now, I'll stick with all of the defaults and click on OK.", 'start': 1856.69, 'duration': 3.021}, {'end': 1861.712, 'text': 'And take a look at that.', 'start': 1860.291, 'duration': 1.421}, {'end': 1864.633, 'text': "It automatically lowered the volumes when I'm speaking.", 'start': 1861.772, 'duration': 2.861}, {'end': 1869.254, 'text': 'And as soon as I stop speaking, the volume kicks in and then it quiets down again.', 'start': 1864.733, 'duration': 4.521}, {'end': 1871.835, 'text': "Let's go to the beginning to hear what this sounds like.", 'start': 1869.614, 'duration': 2.221}, {'end': 1883.039, 'text': "Mmm The Kevin Cookie Company makes some of the most delicious cookies that you've probably never had before.", 'start': 1875.436, 'duration': 7.603}], 'summary': "The audio preview automatically adjusts volume while speaking and stops, demonstrating the kevin cookie company's delicious cookies.", 'duration': 30.191, 'max_score': 1852.848, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1852848.jpg'}, {'end': 2040.764, 'src': 'heatmap', 'start': 1972.063, 'weight': 5, 'content': [{'end': 1973.845, 'text': 'you can very easily remove that.', 'start': 1972.063, 'duration': 1.782}, {'end': 1975.906, 'text': "Here I'll select the selection tool.", 'start': 1974.285, 'duration': 1.621}, {'end': 1977.268, 'text': 'Let me highlight this area.', 'start': 1975.926, 'duration': 1.342}, {'end': 1982.492, 'text': "Once again, I mentioned when you're recording, it's always a good practice to record some of the room noise.", 'start': 1977.408, 'duration': 5.084}, {'end': 1986.295, 'text': 'So if you need to remove background noise, you have a sample to work off of.', 'start': 1982.812, 'duration': 3.483}, {'end': 1988.117, 'text': "I'll select this area here.", 'start': 1986.776, 'duration': 1.341}, {'end': 1992.281, 'text': "I'll go up to effect and right here there's the option called noise reduction.", 'start': 1988.257, 'duration': 4.024}, {'end': 1995.103, 'text': 'Right here I can click on get noise profile.', 'start': 1992.901, 'duration': 2.202}, {'end': 1999.147, 'text': 'This basically helps Audacity understand what that background noise is.', 'start': 1995.403, 'duration': 3.744}, {'end': 2001.768, 'text': "I'll click on that and now it understands.", 'start': 1999.767, 'duration': 2.001}, {'end': 2006.75, 'text': 'Next, I need to select my entire track now where I want to remove the background noise.', 'start': 2002.508, 'duration': 4.242}, {'end': 2008.17, 'text': "I'll select this whole area.", 'start': 2006.87, 'duration': 1.3}, {'end': 2015.613, 'text': 'Here I can go up to effect, noise reduction, and now it knows the profile and now I can apply the noise reduction.', 'start': 2008.551, 'duration': 7.062}, {'end': 2020.095, 'text': 'I have different settings that I can configure and you could play with these to see what they do.', 'start': 2015.974, 'duration': 4.121}, {'end': 2026.198, 'text': 'Now this will reduce it and this will do the opposite where it tries to keep the background noise and it removes everything else.', 'start': 2020.555, 'duration': 5.643}, {'end': 2029.439, 'text': "So let's click on OK to hear what this sounds like.", 'start': 2026.578, 'duration': 2.861}, {'end': 2033.714, 'text': 'Mmm, the Kevin Cookie Company.', 'start': 2031.27, 'duration': 2.444}, {'end': 2040.764, 'text': "Now, to me it sounds mostly the same, because this room doesn't have much background noise, but if you had a fan or an air conditioner,", 'start': 2034.315, 'duration': 6.449}], 'summary': 'Using audacity, noise reduction can be done by selecting the noise profile, applying noise reduction, and configuring settings.', 'duration': 68.701, 'max_score': 1972.063, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1972063.jpg'}, {'end': 2086.556, 'src': 'embed', 'start': 2050.172, 'weight': 1, 'content': [{'end': 2057.157, 'text': "Well, when we look at my waveform down here, you'll notice that some sections are a little bit louder where I emphasize a word,", 'start': 2050.172, 'duration': 6.985}, {'end': 2059.518, 'text': 'and other sections are a little bit quieter.', 'start': 2057.157, 'duration': 2.361}, {'end': 2061.699, 'text': "So there's a large dynamic range.", 'start': 2059.618, 'duration': 2.081}, {'end': 2065.502, 'text': "And as I'm speaking, some of the quieter parts might get lost.", 'start': 2062.239, 'duration': 3.263}, {'end': 2072.226, 'text': "So, for example, let's say maybe you're whispering or maybe you yell, you might not be able to hear all of those parts equally.", 'start': 2065.962, 'duration': 6.264}, {'end': 2074.027, 'text': 'So I want to even these out.', 'start': 2072.687, 'duration': 1.34}, {'end': 2077.429, 'text': "So I'm going to go right up to the effect menu and I'll select the compressor.", 'start': 2074.068, 'duration': 3.361}, {'end': 2079.891, 'text': 'This opens up the compressor,', 'start': 2077.909, 'duration': 1.982}, {'end': 2086.556, 'text': 'and here you have a variety of different settings that you can configure to make sure that it works the best for your needs.', 'start': 2079.891, 'duration': 6.665}], 'summary': 'Using a compressor to even out dynamic range in audio waveform.', 'duration': 36.384, 'max_score': 2050.172, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA2050172.jpg'}, {'end': 2216.333, 'src': 'embed', 'start': 2186.338, 'weight': 3, 'content': [{'end': 2189.141, 'text': 'and here I could export as many different file types.', 'start': 2186.338, 'duration': 2.803}, {'end': 2190.962, 'text': 'I could export as an mp3.', 'start': 2189.241, 'duration': 1.721}, {'end': 2198.289, 'text': 'This is a more compressed version of my audio file, so the quality might not be the highest, but the file size will be pretty small.', 'start': 2191.383, 'duration': 6.906}, {'end': 2200.729, 'text': 'I could also export as a WAV.', 'start': 2198.749, 'duration': 1.98}, {'end': 2204.53, 'text': "This is uncompressed, but it's also a much larger file size.", 'start': 2200.829, 'duration': 3.701}, {'end': 2208.631, 'text': "This is a pretty short clip, it's only 30 seconds, so I'll go with WAV.", 'start': 2204.91, 'duration': 3.721}, {'end': 2212.632, 'text': 'This opens up a dialog and I could type in a name for my file.', 'start': 2209.071, 'duration': 3.561}, {'end': 2216.333, 'text': 'Here I see the save type and I could change the file type here as well.', 'start': 2212.972, 'duration': 3.361}], 'summary': 'Export audio files as mp3 for small size or wav for uncompressed quality.', 'duration': 29.995, 'max_score': 2186.338, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA2186338.jpg'}, {'end': 2289.03, 'src': 'heatmap', 'start': 2280.782, 'weight': 0.884, 'content': [{'end': 2286.107, 'text': 'Also, if you want to see me cover any other topics in the future, make sure to leave a note down below.', 'start': 2280.782, 'duration': 5.325}, {'end': 2289.03, 'text': "Alright, well that's all I had for you today.", 'start': 2286.127, 'duration': 2.903}], 'summary': 'Viewers can suggest future topics for coverage.', 'duration': 8.248, 'max_score': 2280.782, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA2280782.jpg'}], 'start': 1852.848, 'title': 'Automatic volume adjustment feature and editing audio with audacity', 'summary': 'Demonstrates automatic volume adjustment feature for seamless transition and better audibility, and highlights audio editing in audacity including removing background noise, applying fade effects, and using a compressor to adjust audio levels, with final export in wav format.', 'chapters': [{'end': 1901.288, 'start': 1852.848, 'title': 'Automatic volume adjustment feature', 'summary': 'Demonstrates the automatic volume adjustment feature, which lowers the volume when the speaker is speaking and increases it when the speaker stops, ensuring a seamless transition and better audibility for the speaker. it also showcases the use of this feature in enhancing the listening experience of background sound or music.', 'duration': 48.44, 'highlights': ['The automatic volume adjustment feature lowers the volumes when the speaker is speaking and increases it when the speaker stops, ensuring a seamless transition and better audibility for the speaker.', 'The feature enhances the listening experience by allowing the background sound or music to kick in when the speaker stops speaking, creating a more dynamic audio experience.', 'The demonstration showcases the use of the automatic volume adjustment feature with all the defaults, providing an easy and user-friendly experience for the audience.']}, {'end': 2292.513, 'start': 1901.288, 'title': 'Editing audio with audacity', 'summary': 'Highlights how to edit audio in audacity by removing background noise, applying fade effects, and using a compressor to adjust audio levels, as well as exporting the final audio file as a wav format.', 'duration': 391.225, 'highlights': ['The chapter covers how to export the final audio file as a WAV format, allowing for higher quality but larger file size. The speaker demonstrates the process of exporting the audio file as a WAV format, highlighting the trade-off between quality and file size.', 'The speaker showcases the use of a compressor to adjust the audio levels and even out the dynamic range, ensuring all parts are audible. The demonstration of using a compressor to even out the audio levels and address the dynamic range issues, ensuring all parts of the audio are audible.', 'The chapter explains the process of removing background noise using the noise reduction tool in Audacity. The explanation of the process of removing background noise using the noise reduction tool in Audacity, emphasizing the importance of recording room noise for reference.']}], 'duration': 439.665, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/yzJ2VyYkmaA/pics/yzJ2VyYkmaA1852848.jpg', 'highlights': ['The automatic volume adjustment feature ensures a seamless transition and better audibility for the speaker.', 'The feature enhances the listening experience by creating a more dynamic audio experience.', 'The demonstration showcases the use of the automatic volume adjustment feature with all the defaults, providing an easy and user-friendly experience for the audience.', 'The chapter covers how to export the final audio file as a WAV format, highlighting the trade-off between quality and file size.', 'The speaker showcases the use of a compressor to adjust the audio levels and even out the dynamic range, ensuring all parts are audible.', 'The chapter explains the process of removing background noise using the noise reduction tool in Audacity, emphasizing the importance of recording room noise for reference.']}], 'highlights': ['The demonstration includes creating a radio commercial for the Kevin Cookie Company, providing a practical example for viewers to follow along and understand how to use Audacity for audio editing and recording.', 'The goal of the video is to equip viewers with comprehensive knowledge of how to record and edit using Audacity, aiming to provide a clear learning outcome for the audience.', 'The higher the sample rate, the more accurate the sound representation, with typical music CD quality being 44,100, and recommendable sample rates ranging from 44,100 to 96,000.', 'Importance of setting appropriate levels to avoid clipping, demonstrating how turning the microphone levels too high results in clipping, which degrades the quality of the recording.', 'The chapter emphasizes the importance of taking a sample recording before a longer session to ensure the setup is correct, emphasizing the importance of not immediately speaking after clicking the record button and waiting to start speaking to allow for room noise buffer.', 'The chapter covers importing audio, saving projects, and exporting files in Audacity.', 'The chapter demonstrates various audio playback and editing tools.', 'Visualizing waveforms helps in understanding speech patterns and loudness variations.', 'The speaker uses playbacks to locate the specific section in the audio recording that needs to be deleted, demonstrating a practical approach to editing.', 'Visual waveforms are utilized to identify silent sections, allowing for precise editing by recognizing flat waveforms indicating no speech.', 'The chapter explains how to delete a portion of audio using the selection tool or the delete key, demonstrating the process of removing unwanted sections from the audio track.', 'It demonstrates the use of the envelope tool to adjust the volume levels of the audio track, including adding and adjusting control points to modify the volume levels at specific points in the track.', 'The chapter explains how to use the amplify effect to match the volume levels of different audio clips, including determining the appropriate amplification level based on the reference audio.', 'It details the process of creating silence in the audio track by generating a specified duration of silence or by splitting the audio track and using the time shift tool to position the clips, demonstrating different methods to introduce gaps in the audio track.', 'The chapter explains how to incorporate sound effects into the audio track using the copy and paste commands, including duplicating a specific sound segment to create a desired effect in the commercial.', 'The automatic volume adjustment feature ensures a seamless transition and better audibility for the speaker.', 'The feature enhances the listening experience by creating a more dynamic audio experience.', 'The demonstration showcases the use of the automatic volume adjustment feature with all the defaults, providing an easy and user-friendly experience for the audience.', 'The chapter covers how to export the final audio file as a WAV format, highlighting the trade-off between quality and file size.', 'The speaker showcases the use of a compressor to adjust the audio levels and even out the dynamic range, ensuring all parts are audible.', 'The chapter explains the process of removing background noise using the noise reduction tool in Audacity, emphasizing the importance of recording room noise for reference.']}