如何免费将MP4在线转换为WAV

MP4 is quite a common video format that people use in daily life. At the same time, WAV is also a great option to contain lossless audio. But sometimes, you may want to convert MP4 to WAV for listening on your devices. In this situation, what you need is a professional converter that can extract the audio part from video without losing the sound quality.

So today, we are going to compare MP4 and WAV in detail and introduce to you the best MP4 to WAV Converters both online and offline.

第1部分。MP4与WAV

老实说，MP4和WAV之间没有什么可比较的。毕竟，它们是在不同情况下使用的两种不同格式，一种用于存储视频，另一种用于保存音频。但它们都是文件类型，并且可以包含数字声音。基于此，下表列出了它们之间的一些差异。

	MP4	WAV
包含	视频，音频和字幕	仅音频
文件扩展名	.mp4，.m4a，.m4p，.m4b，.m4r和.m4v	.wav和.wave
由开发	国际标准化组织	IBM和Microsoft
物产	压缩且有损（大多数时间）	无压缩且无损

第2部分。最佳MP4到WAV转换器在线

现在，您已经了解了这两种格式的优点。是时候找到一个可以满足您所有转换需求的有用的MP4到WAV转换器了。

Here, we recommend you a web-based converting tool named FVC Free Audio Converter, which can help you easily transform MP4 video files to WAV online for free. The best part of this online converter is that you can run it on any operating systems, such as Windows and Mac OS, without downloading a large software package. All you need is a browser and stable network. Then you can change MP4 videos like MVs and talk shows to WAV files without any hassle.

请按照以下步骤操作，您也可以像专业人士一样进行转换。

Step 1. Click the link above to visit the official website of FVC Free Audio Converter. Click the Add Files to Convert button. And then you need to download and install a simple launcher.

Step 2. After the installation, the Open window will pop up immediately. Then you can select the MP4 video you want to convert.

Step 3. Because what you want is a WAV file, so you need to change the output format to WAV. Click Convert and find a saving destination for your WAV file.

Step 4. Wait for a while, and the converted file will be saved to your computer automatically.

第3部分。通过Audacity将MP4转换为WAV

Many people ask how to convert MP4 to WAV with Audacity. So, we did a research and found that this method might be a little complex. Because Audacity cannot open MP4 files directly without the optional FFmpeg library. But luckily, we solved that problem by using the recording feature of Audacity.

对于那些不熟悉Audacity的人，它是由志愿者开发的开源和跨平台音频免费软件。通常，它用于编辑和录制多轨音频。要使用Audacity从MP4导出WAV文件，您需要执行以下步骤。

Step 1. Find the MP4 video file that you want to convert and play it with the media player on your computer. To make sure that no content will be left out, please pause the video once you open it and then rewind it to the beginning.

Step 2. Now you can launch Audacity. First, you need to mute the microphone by sliding the recording volume to 0. Then adjust the volume of system sound as you like. Click the Record button.

Step 3. Go back to the media player and play the MP4 video. Audacity will record the audio part of video. Once the MP4 video is over, you can close the media player.

Step 4. Back to Audacity and click the Stop icon. After that, please navigate to File in the top menu bar. Find Export and then choose Export as WAV.

Step 5. Please name this audio file before saving it to your computer.

第4部分。将MP4转换为WAV的常见问题解答

结论

Including the methods that we mentioned in FAQs, now you have 4 ways to change MP4 to WAV. If you only want to use a time-saving converting tool to convert audio, FVC Free Audio Converter will do a great job without extra trouble.

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