Re: Format Converters
Re: Format Converters
- Subject: Re: Format Converters
- From: Jeremy Sagan <email@hidden>
- Date: Sun, 16 Oct 2005 16:52:19 -0400
I was thinking about using AUVarispeed or AUTimePitch as a fast
forward function in my application but I noticed AUVarispeed (and
even more so, AUTimePitch) have latency. I don't want to add
unnecessary latency to playback just in case the user presses fast
forward.
I can understand AUTimepitch having (big) latencies but I don't see
why AUVarispeed needs any latency at all.
It does work but because of the latency there is a nasty glitch for
the duration of the latency when the button is pressed.
I know I could buffer on the output side of the plug-in but if I do
that I may as well just do the sample conversion myself.
Is there a way around this besides buffering on the output side?
Jeremy
On Oct 13, 2005, at 11:10 AM, Jeremy Sagan wrote:
I have recently added support for format converters to my
application. I am just wondering where there is documentation on
what exactly these audio units do, their correct usage and what
their parameters mean. In OS X 10.4 I notice the following audio
units:
AUConverter
AUDeferredRenderer
AUMerger
AUSplitter
AUTimePitch
AUVarispeed
I have a pretty good idea what the last 2 do. I have found very
limited info in the file AudioUnitParameters.h but that is it.
Jeremy
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