NSSound dropouts with Leopard on a G5
NSSound dropouts with Leopard on a G5
- Subject: NSSound dropouts with Leopard on a G5
- From: Jonathan Hendry <email@hidden>
- Date: Fri, 9 May 2008 15:10:22 -0400
Howdy,
We have an experiment-running program which uses NSSound to play
auditory stimuli. After upgrading a G5 to Leopard, we're seeing
significant audio problems that we didn't see on Tiger. Sometimes,
it's just a momentary dropout, but other times the audio just goes
away for minutes at a time.
This behavior happens with both the internal audio hardware, or with
a USB soundcard, so it probably isn't specific to the hardware.
Most of the audio glitches are accompanied by syslog messages from
IOAudioStream, describing problems related to clipIfNecessary()
Has anyone run into this? Is there a fix or workaround? Should we be
using something lower-level than NSSound? Is there a better place to
ask?
Thanks,
Jon
Jonathan Hendry
Howard Hughes Medical Institute
Maunsell Lab
Harvard Medical School
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