ExtAudioFileRead accuracy..
ExtAudioFileRead accuracy..
- Subject: ExtAudioFileRead accuracy..
- From: Alexander Bollbach <email@hidden>
- Date: Tue, 09 Feb 2016 01:32:02 +0000
Perhaps this is a pedantic point but I've noticed that ExtAudioFileRead does not read the amount of frames as requested. Now I know it states that this may happen for technical reasons in the API documentation but I wonder if this inaccuracy is noticed in audio software. For example, I created a 10 second Mono/32bitFloat PCM wav recording in audacity. I create a buffer to read the information onto and than write it onto a new ExtAudioFile. When opening this new file in audacity the audio data is 16ms shy of 10 seconds. (like i said, pedantic..). But I'm just curious if this is accepted as normal behavior and if there is a way to do precise editing using the ExtAudioFileRead/Write workflow. Is there a sample-perfect method using non-realtime Core Audio tools? You can see the code I used to generate the new audiofile from the old one
on github.
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