Hi
My iPhone app allows users to upload audio files. I do some
simple filtering on the files then play them using AudioQueues. I need the
samples to be in 16 bit integer PCM format. I do not understand how to do the
conversion. This topic has come up several times over the last couple of
months. It is not clear to me if anyone has gotten this to work
I personally wasted a lot of time with AudioConverters. I
could never get this to work. I was trying to convert an mp3.
I have seen a couple of posting that talk about using
ExtAudioFile based on the convert file demo.
Several posting suggest using AudioQueueRenderOffline
I get the impression that different approaches maybe needed for
different formats. Can some one provide a summary of the approach required for
different audio file types. I assume give this is an iPhone app, that the
source of most of the audio files will be iTunes, so I guess the most common
formats I am likely to see are mp3, m4a, and m4p
Thanks
Andy
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