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Re: How to set the general Output Volume

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Re: How to set the general Output Volume

Subject: Re: How to set the general Output Volume
From: Jeff Moore <email@hidden>
Date: Tue, 4 Dec 2007 09:52:25 -0800

In general, applications should not be messing with the hardware settings like volume. Those settings belong to the user and have to be shared by everyone on the system.

But if you must, you'll want to check out the HALLab project in our sample code (/Developer/Examples/CoreAudio/HAL/HALLab). Among other things, it has a slider for each volume control on an audio device.

On Dec 4, 2007, at 9:38 AM, Gideon May wrote:

How do I set the general Output Volume from within my application ?
I found the kAudioVolumeControlClassID, which I think does the job,
but I have no idea how to apply the constant.
Have checked the online documentation and google to no avail.

--

Jeff Moore
Core Audio
Apple


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  >How to set the general Output Volume (From: Gideon May <email@hidden>)




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