Re: mute usb microphone with keyboard


"Bill" <Bill@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:0B77D138-4EDB-40A1-A8E0-C5D43087B83E@xxxxxxxxxxxxxxxx
I would like to be able to mute the USB microphone attached to my computer
but not have to do so through the control panel. Specifically I would
like
to be able to mute and unmute the microphone by pressing a series of keys
such as ALT-CTL-m.
The caveat is I would like the focus of windows to remain in Microsoft
Word
or other text receiving document or program. Using a stand-alone macro
program such as macro express I have been able to mute the microphone
however
this requires switching to the 'wave in' window found thru the control
panel
(where I have been able to find the only way to mute the microphone) but I
lose the Microsoft Word focus and this loses the capacity for voice
recognition to always properly enter into the document, in other words
sometimes the dictation is lost. This is what I am trying to prevent by
having a keystroke mute the microphone. Definitely bad in my situation
(and
no we can't use our hands to physically turn the mic off (I know that is
possible but not in our situation)). Specifically, I am using a X-keys
footpedal to initiate a series of keystrokes through the macro express
program. But instead, I would like the footpedal to immediately, without
changing the focus of the window, mute the microphone. Obviously, I would
not need to do this if I could find a pedal which would by hardwire
mute/unmute (or basically stop the signal) from the microphone to computer
but I have not been able to find one that does not have signal issues
(rendering the voice recognition accuracy unusable, and no - Vista's rec
is
good but not good enough for our application. So I am trying to find this
keystroke method of muting the microphone. Can anyone help?

You could use these commands:

devcon disable "{SoundCardID}"
devcon enable "{SoundCardID}"

Depending on the sound recorder you use, the commands may
or may not work if you apply them while you're in recording
mode. You need to test them yourself.

You can download devcon.exe from here:
http://download.microsoft.com/download/1/1/f/11f7dd10-272d-4cd2-896f-9ce67f3e0240/devcon.exe

You can extract your SoundCardID by looking for your sound
card device IDs in c:\devices.txt after running this command:
devcon hwids "*" > c:\devices.txt

On my machine the correct command is
devcon disable "PCI\VEN_10B9&DEV_5451&SUBSYS_053E1014&REV_02"
which I extracted from the list below:

PCI\VEN_10B9&DEV_5451&SUBSYS_053E1014&REV_02\3&61AAA01&0&20
Name: SoundMAX Integrated Digital Audio
Hardware IDs:
PCI\VEN_10B9&DEV_5451&SUBSYS_053E1014&REV_02
PCI\VEN_10B9&DEV_5451&SUBSYS_053E1014
PCI\VEN_10B9&DEV_5451&CC_040100
PCI\VEN_10B9&DEV_5451&CC_0401
Compatible ID's:
PCI\VEN_10B9&DEV_5451&REV_02
PCI\VEN_10B9&DEV_5451
PCI\VEN_10B9&CC_040100
PCI\VEN_10B9&CC_0401
PCI\VEN_10B9
PCI\CC_040100
PCI\CC_0401


.

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