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Re: That old chestnut ...
On 15 Oct 2010 at 14:27, Stuart Rosen wrote:
> Has anyone had any luck in trying to control ~all~ of the sound volume
> controls from Matlab in Windows 7. There appears to be an over-riding
> volume control not readily accessible within a particular application
I'm not a Matlab user, but the normal way Win7 handles
audio is that everything is "virtualized". Each open app
gets a share of the virtual pie. If you right-click the
speaker icon in the system tray and select "Open Volume
Mixer" you'll see a master control on the left marked
"Device - Speakers", then one marked "System Sounds", and
then a separate fader for each open app. I assume Matlab
has its own fader here, and is unable to control the
others. (My understanding is that Win7 does provide a way
to allow developers to gain total control, but it's not
Hope this helps!
D A Q A R T A
Data AcQuisition And Real-Time Analysis
Scope, Spectrum, Spectrogram, Signal Generator
Science with your sound card!