Allowed time stretching filters by keeping per-channel timeStamps.
Merge pull request #50 from psobot/timestretch_fix

Allowed time stretching filters by keeping per-channel timeStamps.
Changed AEAudioFileWriter to use software encoder for M4A recordings, since hardware encoders are not allowed to be used simulatenously with I/O audio units
Merge pull request #52 from nilknarfuw/master

Changed AEAudioFileWriter to use software encoder for M4A recordings, since hardware encoders are not allowed to be used simulatenously with I/O audio units
Update channel producer hostTime correctly

This fixes a problem introduced in SHA 3bcb6f1, and closes #53
Merge branch 'master' into modification