How to correctly read decoded PCM samples on iOS using AVAssetReader — currently incorrect decoding

Question

I am currently working on an application as part of my Bachelor in Computer Science. The application will correlate data from the iPhone hardware (accelerometer, gps) and mu

Answer 1

If I were you I would either use kAudioUnitSubType_AudioFilePlayer to play the file and access its samples with the units render callback.

Or

Use ExtAudioFileRef to extract the samples straight to a buffer.