Setting Speech Synthesizer to left channel only
Setting Speech Synthesizer to left channel only
- Subject: Setting Speech Synthesizer to left channel only
- From: Mark Gilbert <email@hidden>
- Date: Fri, 21 May 2004 13:56:50 +0100
Folks.
Apologies for the cross-posting, not sure where to find help on this one.
I need to find a way to pan the speech synthesizer. In fact I just
need to make sure it only comes out one side of the sound output.
Since there appears to be no way to control the speech channel pan
directly, I have tried creating a sound channel, then using
'SetSpeechInfo' to assign this audio channel to the speech channel,
so I can manipulate the sound channel.
However, contrary to the Apple documentation, the selector 'sndo', or
soSoundOutput is rejected with a -231 error from GetSpeechInfo and
SetSpeechInfo. -231 appears to be siUnknownInfoType.
So - can anyone else help here ? A real brute force method would be
to shut down sound completely on one channel during speech - is there
access to the global pan/LR levels ?
Any advice would be appreciated.
Cheers
Mark Gilbert
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