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MusicPlus based MediaExtractor, MediaMuxer, and MediaCodec and other tools to achieve extraction of audio video, and then after the other audio mix, then a new audio to synthesize new video. If you are interested to convert between audio formats, you can also find the relevant code in them.

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YeDaxia/MusicPlus

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音频处理另外一个更完整的项目:https://github.com/YeDaxia/AndroidAudioMixer

MusicPlus

MusicPlus基于MediaExtractor、MediaMuxer、和MediaCodec等工具类,来实现了对视频中音频的提取,然后和其他音频进行混音后,再用新的音频来合成新的视频。如果你对于音频格式之间的转换感兴趣,比如WAV转ACC格式,也可以在其中找到相关的代码。

Note

  1. 由于视频录制的时候会把播放的背景音乐一起录进去,因此在录制包含视频音轨的视频时,记得带上耳机。
  2. 更多介绍: http://www.darcye.com/article/00301860

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MusicPlus based MediaExtractor, MediaMuxer, and MediaCodec and other tools to achieve extraction of audio video, and then after the other audio mix, then a new audio to synthesize new video. If you are interested to convert between audio formats, you can also find the relevant code in them.

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