一个常见的困境是当你有一个视频但只想要它的音频部分时。也许是您想要MP3 格式(MP3 format)的视频中的音乐，或者是您想要听而不是观看的 YouTube 上的音乐。
如果您想从视频文件中提取音频、声音或(video file)背景音乐(background music)，可以使用许多工具。虽然其中一些是简单的、单一用途的音频转换器，但其他一些是多任务软件应用程序，可以帮助您解决不同的音频相关问题。
查看从视频中提取音频的最佳工具，然后选择适合您需求的工具。
使用在线工具从视频中提取音频(Extract Audio From Video Using Online Tools)
如果您正在处理的视频不是很大，并且您唯一需要做的就是提取音频，那么以下在线工具之一就可以完成这项工作。这些工具免费且易于使用。最大的优点是您无需安装任何软件即可使用它们。
Freemake Video Converter是一个免费的网络工具(web tool)，您可以使用它从在线视频文件(video file online)中提取音频。该转换器具有非常简单的界面，并支持 500 多种格式。
为了将音频与视频分开，请访问网站，然后将链接粘贴到视频文件或将其上传(video file or upload)到网站。在格式(Format)下，选择您喜欢的音频格式，然后单击(format and click) 立即转换(Convert now)。您的音频文件(audio file)将自动下载。
您可以在线使用 Freemake Video Converter(Freemake Video Converter online)，或免费下载并使用它来修剪视频、添加字幕，甚至翻录和刻录DVD/Blu-ray。
Audio Extractor是一个单一用途的网站，可让您从各种格式的视频文件中提取声音。将音频与视频分离的过程在这里更加简单。
转到网站并单击蓝色的打开视频(Open video)按钮以选择您的文件。加载视频后，选择输出音频格式，然后单击提取音频(Extract audio)。然后，该应用程序会将您带到带有音频文件的(audio file)下载屏幕(download screen)。
从视频中提取音频的离线工具 (Offline Tools To Extract Audio From Video )
如果您需要更多功能或不同的音频和视频格式选项(audio and video format options)，请选择以下应用程序之一。虽然这些工具可让您对视频和音频文件进行更多操作，但其中一些工具需要付费订阅。您还需要先下载这些应用程序，然后才能使用它们。
AoA Audio Extractor是一个非常有用的应用程序，它允许您从AVI、MPEG/MPG、FLV、DAT、WMV、MOV、MP4或 3GP 中提取音频并将其保存为MP3、WAV或AC3。
您可以选择以29.95 美元的价格下载免费版本或AoA Audio Extractor Platinum 。Platinum在标准音频提取器(audio extractor)之上提供更多功能，例如音频转换、录音(sound recording)和语音(voice changer)转换器。
要从视频文件(video file)中提取音频，请打开应用程序并单击(app and click) 添加文件(Add Files)。选择一个或多个要从中提取音频的视频。在Output Options下，选择您喜欢的音频格式。进行任何其他调整，例如定义音频的输出(Make)路径，然后单击(output path)开始(Start)。在您之前指定的位置找到您的音频文件(audio file)。
Audacity是一个多用途应用程序，可用于将音频与视频分离。它是一个免费的开源音频编辑器(source audio editor)，可在每个PC 平台上(PC platform)使用。
在Audacity中，您可以使用(Audacity)LAME和FFmpeg 库插件(FFmpeg library plug-ins)从视频文件中提取音频。打开您的视频并按照路径File > Export > Export Audio。选择音频格式和文件目标(format and file destination)，然后单击保存(Save)。
您还可以使用Audacity完成其他任务，例如消除背景噪音(removing background noise)、提高语音音质(voice sound quality)，甚至将其用于音乐制作(music production)。
Adobe Audition是高级用户和需要更多音频转换软件(audio converting software)的用户的高级选项。Audition几乎是您音频文件的Photoshop。您可以在此软件中执行的操作几乎没有任何限制。
然而，这是有代价的。您可以使用Adobe Audition免费试用版，但 7 天后，您必须购买Adobe Creative Cloud 订阅(Adobe Creative Cloud subscription)计划之一才能继续使用它。
要从视频中分离音频，请在Adobe Audition中打开(Adobe Audition)视频文件(video file)。从屏幕顶部的功能区菜单中，选择(ribbon menu)文件(File)>导出(Export)>文件...(File…)
在“导出文件(Export File)”菜单中，选择所需的音频格式和文件目标(format and file destination)。单击“(Click) 确定(OK)”下载您的音频文件。
从 YouTube 视频中提取音频的应用程序(Apps To Extract Audio From YouTube Videos)
如果您正在寻找专门用于处理YouTube视频的应用程序，请查看以下音频转换器。确保您只下载公共领域的视频(domain videos)或所有者允许下载的内容，以避免侵犯版权(avoid copyright infringement)。
如果您想要一个专门用于从YouTube(YouTube)视频中分离音频的独立应用程序， MediaHuman音频转换器应该是您的首选(number one)。该工具免费且易于使用。
要从YouTube提取音频，请下载并运行应用程序，将YouTube 链接(YouTube link)放入主窗口，然后单击(window and click) 开始(Start)。稍后您将准备好所需的音频文件。(audio file)此应用程序的一些最有用的功能包括批量下载和将应用程序与 iTunes 同步的选项。
VLC 媒体播放(VLC Media Player)器主要被称为视频播放器(video player)。但是，VLC具有许多不同的编辑和转换功能。您可以使用VLC 媒体播放器(VLC Media Player)从YouTube翻录音频，以及从其他视频文件中提取音频。
要从视频中提取音频，请从VLC 功能区(VLC ribbon) 菜单中选择(menu choose) 文件(File)>高级打开文件(Advanced Open File)。
当您在应用程序中打开视频文件(video file)时，返回文件(File)菜单并选择Convert / Stream。您会发现您的音频文件(audio file)保存在您选择的目的地(chosen destination)。
VLC 媒体播放器(VLC Media Player)是免费的，可在所有主要平台上下载。
单独欣赏音频和视频(Enjoy Audio And Video Separately)
既然您知道如何从任何视频中提取音频，您就可以使用此技能在日常生活中节省时间和精力。(time and effort)像播客一样收听您最喜爱的YouTube 视频(YouTube videos)，或者从视频剪辑中提取音乐并将其用作铃声。
您以前尝试过从视频中提取音频吗？你用了什么工具？在下面的评论中分享您的音频编辑经验。
Extract Audio From Video With These 7 Apps
A common dіlemma is when you have a video but only want the audio part of іt. Maybe it’ѕ the muѕic from the video that you want to have in MP3 format, or something off ΥouTubе thаt you want to listen to instead of watching.
There are a number of tools you can use if you’re looking to extract audio, sound, or background music from a video file. While some of those are simple, single-purpose audio converters, others are multi-tasking software apps that can help you solve different audio-related issues.
Have a look at the best tools to extract audio from video and choose the one that suits your needs.
Extract Audio From Video Using Online Tools
If the video you’re working with isn’t huge and the only thing you need to do is extract the audio, one of the following online tools will do the job. These tools are free and easy to use. The biggest advantage is that you don’t have to install any software to use them.
Freemake Video Converter is a free web tool that you can use to extract audio from your video file online. The converter has a very straightforward interface and supports more than 500 formats.
In order to separate audio from video, go to the website, then either paste the link to a video file or upload it to the website. Under Format, choose your preferred audio format and click Convert now. Your audio file will automatically download.
You can use Freemake Video Converter online, or download it for free and use it to trim videos, add subtitles, or even rip and burn DVD/Blu-ray.
Audio Extractor is a single-purpose website that allows you to extract sound from video files of various formats. The process of separating your audio from video is even more straightforward here.
Go to the website and click the blue Open video button to select your file. Once your video is loaded, select the output audio format, and click Extract audio. The app will then take you to the download screen with your audio file.
Offline Tools To Extract Audio From Video
If you need more features or different audio and video format options, choose one of the following applications. While these tools let you do more with your video and audio files, some of them require a paid subscription. You’ll also need to download these apps before you can use them.
AoA Audio Extractor is an extremely useful application that allows you to pull audio from AVI, MPEG/MPG, FLV, DAT, WMV, MOV, MP4, or 3GP and save it into MP3, WAV, or AC3.
You can choose to download the free version or the AoA Audio Extractor Platinum for $29.95. Platinum offers more functionality, like audio conversion, sound recording, and voice changer on top of the standard audio extractor.
To extract audio from a video file, open the app and click Add Files. Choose one or multiple videos that you’d like to pull audio from. Under Output Options, select your preferred audio format. Make any other adjustments like defining the output path for your audio, then click Start. Find your audio file in the location you specified earlier.
Audacity is a multi-purpose application that you can use to separate audio from video. It’s a free and open source audio editor that’s available on every PC platform.
In Audacity, you can extract audio from video files using the LAME and FFmpeg library plug-ins. Open your video and follow the path File > Export > Export Audio. Select the audio format and file destination and click Save.
You can also use Audacity to complete other tasks, like removing background noise, improving your voice sound quality, and even using it for music production.
Adobe Audition is a premium option for advanced users and for those who need more from their audio converting software. Audition is pretty much Photoshop for your audio files. There are practically no limitations to what you can do in this software.
However, this comes at a cost. You can use the Adobe Audition free trial, but after 7 days you’ll have to buy one of the Adobe Creative Cloud subscription plans to continue using it.
To separate audio from video, open the video file in Adobe Audition. From the ribbon menu on top of the screen, select File > Export > File…
In the Export File menu, choose the desired audio format and file destination. Click OK to download your audio file.
Apps To Extract Audio From YouTube Videos
If you’re looking for an app that will work with YouTube videos specifically, have a look at the following audio converters. Make sure you only download public domain videos or the content that the owner has allowed to download to avoid copyright infringement.
If you want an independent application specifically for separating audio from YouTube videos, MediaHuman audio converter should be your number one pick. This tool is free and easy to use.
To pull audio from YouTube, download and run the app, drop the YouTube link into the main window and click Start. You’ll have your desired audio file ready a few moments later. Some of the most useful features of this app include bulk downloads and an option to sync the app with iTunes.
VLC Media Player is known as a video player primarily. However, VLC has many different editing and conversion capabilities. You can use VLC Media Player to rip audio from YouTube, as well as pull audio from other video files.
To extract audio from video, from the VLC ribbon menu choose File > Advanced Open File.
When you open your video file in the app, go back to the File menu and select Convert / Stream. You’ll find your audio file saved in your chosen destination.
VLC Media Player is free and available to download on all major platforms.
Enjoy Audio And Video Separately
Now that you know how to extract audio from any video, you can use this skill to save time and effort in everyday life. Listen to your favorite YouTube videos as if they were podcasts, or pull the music from video clips and use it as a ringtone.
Have you tried extracting audio from video before? What tools did you use? Share your experience with audio editing in the comments below.
