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I've looked around many different places, but can't seem to find a straighforward way of doing this.
I have a number of sound cards in Windows 7 and output sound to my AVR amp using HDMI. The problem I have is that when the amp switches off, it causes windows to lose the speaker configuration.
So what I want to do is write a small utility that will reconfigure the speakers to be 5.1 surround sound. I'm sure there is a way to do it, but I've no idea where to start as there seem to be many different types of API.
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Most home-theater content is created for a surround-sound system, usually with five main speakers (front left, center, right, plus two surround speakers at the sides of the listening area) and a subwoofer, which is designated as "5.1." Other configurations include 6.1 (5.1 with one extra surround speaker at the back of ...
In Control Panel, double-click the Sounds and Audio Devices icon. On the Audio tab, select a device from the Sound Playback list. Select the Advanced button. Select the Speakers tab.
I believe nowadays these things are controlled via Windows Core Audio - one of the major new features of Windows Vista that nobody notices because it's almost entirely under the hood.
There is a .NET wrapper that claims to be stable: http://netcoreaudio.codeplex.com/
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