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mono output playing out left speaker only (10.2.8)

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mono output playing out left speaker only (10.2.8)

Subject: mono output playing out left speaker only (10.2.8)
From: Stephen Davis <email@hidden>
Date: Fri, 7 Oct 2005 12:55:01 -0700

I'm setting up the V2 default audio output unit (auou/def /appl) and am setting its input format to 44.1 kHz 16-bit mono PCM and the output is only coming out the left speaker. Later versions of the output unit accept the kAudioOutputUnitProperty_ChannelMap property which I can use to say "play channel 1 out speaker 1 & 2" to have the output unit take care of things for me. This doesn't seem to work on 10.2.8 (I think the error was kAudioUnitErr_InvalidProperty but I'm not sitting in front of the 10.2.8 machine at the moment).

In Tiger, it seems that setting the channel map property isn't even necessary b/c mono input data plays out both L/R speakers.

Is there something I can do, other than setting the input format to stereo and replicating the data myself, to make this work on 10.2.8?

thanks,
stephen

P.S. I found a similar post about this in the archives but the suggested solution was to set the channel map property which won't work for me here. _______________________________________________ Do not post admin requests to the list. They will be ignored. Coreaudio-api mailing list (email@hidden) Help/Unsubscribe/Update your Subscription: This email sent to email@hidden Prev by Date: Re: DLS program change bug? Next by Date: Re: USB vs. FireWire Previous by thread: Re: USB vs. FireWire Next by thread: Audio Midi Setup App Index(es): Date Thread