Re: How to get raw audio values?
Re: How to get raw audio values?
- Subject: Re: How to get raw audio values?
- From: Robert Kukuchka <email@hidden>
- Date: Thu, 10 Mar 2005 09:06:12 -0800
Hello,
IIRC the HAL reports all audio data as 32 bit floating point. You'd
likely need to create a custom driver that would take the raw audio and
publish it to user mode somehow. I suspect bypassing the HAL will
attribute a performance penalty.
~Rob
On Mar 10, 2005, at 4:57 AM, lbland wrote:
hi-
I need to perform processing outside the Core Audio system. So, I need
to read the raw audio signal bytes and work with that. Is there an
example showing how to do that?
I haven't looked at all the code in Core Audio SDK v1.3.4, I'll
probably figure it out sooner or later, but I thought if one of you
threw me a bone then I could chew sooner. :-)
TIA!-
-lance
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