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Re: AudioUnit Volume

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Re: AudioUnit Volume

Subject: Re: AudioUnit Volume
From: Scott Burkhart <email@hidden>
Date: Sun, 31 Jan 2016 16:21:09 -0800
Dkim-filter: OpenDKIM Filter v2.10.3 mail.alumni.caltech.edu C5A0F1200AB

I use exactly the same method for input volume adjustment, albeit for just one mixer unit;

AudioUnitSetParameter(myPlayStruct.mixerAU, kMultiChannelMixerParam_Volume, kAudioUnitScope_Input, 1, 0.0f, 0 ) ;

In this case the volume is set to zero (0.0f), and it works fine for my user-controlled muting.

Have you triple checked your AUGraph topology, that might be allowing things to seemingly work, but not be actually hooked up the way you intended.

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