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mixer volumes

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mixer volumes

Subject: mixer volumes
From: email@hidden
Date: Thu, 10 Feb 2011 11:50:00 +0100

hello everybody,

i am using a multichannelmixer unit with multiple callback functions producing sound. to avoid noise i need to adjust the au input volumes ( kMultiChannelMixerParam_Volume ) when the number of used callback functions changes. right now i'm just dividing the input maximum of 1.0 by the number of active callbacks, but that reduces the overall volume significiantly. so the volume values do not seem to be linear.

does anyone know what the volume values (they range from 0.0 to 1.0) exactly represent? are they logarithmic? how can i calculate them accurately according to the number of inputs?

thanks,
michael
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