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MusicPlus-master How to realize audio synthesis in audio synthesis app: 1. First of all, we need to obtain the user's voice, we need recording class, and we need to synchronize the data, so we can only use audiorecord. 2. The recorded voice is PCM, which is metadata. We need to merge with another sound file, so we must decode another file into PCM data. 3. After obtaining the PCM data of recording and accompaniment, we can mix and mix Finally, we can calculate the average value of each byte. 4. After getting the mixed audio PCM, we can re encode it. For example, taking the final wav format as an example, we only need to add 44 bytes of riff description before the PCM data.
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