Audio File to PCM Float32 Format Converter?
Audio File to PCM Float32 Format Converter?
- Subject: Audio File to PCM Float32 Format Converter?
- From: "Puhl, Scott" <email@hidden>
- Date: Sun, 8 Jan 2006 19:42:17 -0600
- Thread-topic: Audio File to PCM Float32 Format Converter?
Title: Audio File to PCM Float32 Format Converter?
I'm needing an Audio Unit that reads from an audio file and renders PCM Float32 data.
Before I write this myself, I want to find out if its already available to me.
It seems it may be, as alluded in the Audio Unit API Documentation (Developer/Examples/CoreAudio/Documentation/AudioUnits/Topics/au_type.html):
"Format Converter Units
Typically, Audio Units deal with PCM data in Float32. However, several format conversions may
be desirable within a processing chain, such as the source of a chain that supplies data from a file, sample rate conversion..."
Is a format converter unit provided that does this?
As a second question, is the subtype functionality for the Apple format converter units documented anywhere?
kAudioUnitSubType_AUConverter = 'conv',
kAudioUnitSubType_Varispeed = 'vari',
kAudioUnitSubType_DeferredRenderer = 'defr',
kAudioUnitSubType_TimePitch = 'tmpt',
kAudioUnitSubType_Splitter = 'splt',
kAudioUnitSubType_Merger = 'merg',
Many Thanks,
-Scott
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