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Different Mic Gain under Windows XP (32 bit), Vista (32 bit), and 7 (64 bit)?

Anonymous
2010-05-08T17:49:03+00:00

I have a sound card called Mic Mate Classic. It is displayed as "USB Audio CODEC" under the Windows Sound Recording Device. The sound card driver is provided by Windows. I have tested it under Windows XP, Vista and 7, and have the following findings.

  1. Under Windows XP

The volume adjustment button under Windows Sound Recoding is disabled.

  1. Under Windows Vista

There is no  "Level" tab under Microphone Properties.

  1. Under Windows 7 (64 bit)

The "Level" tab is shown under Microphone Properties, and the microphone slider under the "Level" tab works.

It has been found that, under Windows 7, although the mic volume is set to 20% only, the gain is still about 16 dB higher than that under Windows XP and Vista where the Mic volume is not adjustable. Now, my question is how to correlate the gain under Windows 7 to the gains under XP and Vista?  

I would also appreciate it if someone could explain to me the mechanism Windows 7 uses to adjust the mic gain. Hopefully, it is adjusted before A/D. And why cannot Winodws XP and Vista adjust the mic volume?

Windows for home | Previous Windows versions | Music, photos, and video

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  1. Anonymous
    2010-05-09T17:08:19+00:00

    Hi MeasureWithSoundCard,

    At least you got it working buddy.

    For me, I had to stand upside down to get it work. :)

    I think there is something which was added in the Windows 7 to let the users control the Microphone gain.

    Regards

    Terminator

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