Re: Sound output level too low

On Wed, 18 Apr 2007 20:14:01 +0100, Dave <davenpat@xxxxxxxxxxxxxxx>
wrote the following to uk.comp.misc:

Martin Underwood wrote:
Dave wrote in message
L9mdnWaTxZtparnbnZ2dnUVZ8v2vnZ2d@xxxxxx:


About 2 years ago I got hold of some speech recognition software. I
then went and bought a set of headphones with a microphone attached.
However When I plugged everything up and tried to set the software
up, I was told that the computer did not recognise my voice. It
turned out that the collected audio was too low to train the software
to recognise what I was saying. (I tried windows sound recorder and
it was very low level audio.)

I put everything away, for future use. Since then, both my wife's and
my own computer have been up-graded. Now, when I try the headphones
on my wifes computer I get a good level of sound from win recorder.
On my computer, I am still stuck with a low level of audio.

Any thoughts anyone?


Check for Mic Boost: open the Windows Sound Mixer (a loudspeaker in the
system tray near the clock) and see if there is an Advanced button beside
the Mic slider (you may need Options | Advanced menu item to be ticked).
When you press that button, there may be a Mic Boost tick-option.

I tried all that. no improvement.

Something else to try is a different microphone. Not all of them are alike.
A cheap microphone with a high impedance can cause this kind of problem.
What happens if you try one with a lower impedance (< 600 ohm)? The
impedance is usually printed on the packaging if it's not on the mike
itself.

mh.
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