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also: unable to change volumes of mixer inputs? (iOS)
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also: unable to change volumes of mixer inputs? (iOS)


  • Subject: also: unable to change volumes of mixer inputs? (iOS)
  • From: Bob Sabiston <email@hidden>
  • Date: Sat, 29 Dec 2012 13:20:04 -0600

I forgot to add that Core Audio seems to have the correct values.  That is, after setting the input value I want, I can call

            OSStatus result = AudioUnitGetParameter (
                                                     mixerUnit,
                                                     kMultiChannelMixerParam_Volume,
                                                     kAudioUnitScope_Input,
                                                     i,
                                                     &V
                                                     );

 

and receive the correct value.  It's just that the actual sound coming out of the speakers is always full-strength.


Bob


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