iPhone remoteIO volume

Subject: iPhone remoteIO volume
From: "Raleigh F. Rinehart" <email@hidden>
Date: Mon, 22 Jun 2009 23:54:08 -0500
Delivered-to: email@hidden
Delivered-to: email@hidden

Hello Everybody!

quick question on setting the volume when using remoteIO, why does kHALOutputParam_Volume not get respected?

I tried doing this:

status = AudioUnitSetParameter(remoteIOUnit,

kHALOutputParam_Volume,

kAudioUnitScope_Global,

level,

0 );

but it had zero effect, no errors but no results either.

So now I am stuck with either adding in an addition Mixer Unit just to act as a "master volume" or scaling the volume of all the inputs of my "main" mixer, neither seems like an ideal solution.

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