Question about 64 bit Audio Units and CoreAudio's datatypes
Question about 64 bit Audio Units and CoreAudio's datatypes
- Subject: Question about 64 bit Audio Units and CoreAudio's datatypes
- From: Stefan Huber <email@hidden>
- Date: Wed, 10 Nov 2010 12:22:47 +0100
Hi,
I have been trying to understand what is needed be done in order to create a 64bit Audio Unit. However I got to a point in the SDK, that doesn't seem to make sense to me. In a true 64 bit Host the Audio Graph should be able to be completely 64 bit. When I look at the SDK I found out that audio data is of type AudioUnitSampleType. An AudioUnitSampleType is a Float32, which seems to be defined as float in MacTypes.h. As far as I know float only uses 32bit, whereas double would use 64bit.
Even though the host application is a 64bit binary, it still uses an SDK, that is processing with 32bit precision. Could anybody please tell me what's the point in doing this or if I am making any mayor mistakes here.
Thank you,
Stefan _______________________________________________
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