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Android:如何使用Java将MP4A音频转换为MP3或Wav

[英]Android: How to Convert MP4A audio into MP3 or Wav using Java

Android cannot record mp3 audio using the MediaRecorder but it can record mp4a. Android无法使用MediaRecorder录制mp3音频,但它可以录制mp4a。 I'm trying to figure out a way to convert mp4a audio into mp3 on my Android phone. 我正在试图想出一种在我的Android手机上将mp4a音频转换为mp3的方法。 I believe this means FFMPEG is not an option since it needs to be done on the phone. 我认为这意味着FFMPEG不是一种选择,因为它需要在手机上完成。 What are my options? 我有什么选择?

Currently it looks like you are limited to only three choices: 目前,您似乎只限于三种选择:

-MPEG4 -AMR -3GPP -MPEG4 -AMR -3GPP

It looks like there is an open issue on it for you to track. 看起来它有一个未解决的问题供您跟踪。 I gave it a vote for you also. 我也给了你一票。 Android only records audio into proprietary AMR format Android仅将音频录制为专有的AMR格式

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