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November 3rd, 2012 09:00

Sound Feedback Loop

My shiny new 7720 arrived last week and all worked well.

But yesterday, I started getting feedback echo through my speakers.

For example, even at a low speaker setting, the speakers are emitting the sound of my keystrokes - with an audible echo!.

If I increase the speaker volume to more than about 10% then the speakers quckly start emitting a loud high pitched tone.

Anybody know what the problem is and how to fix it?

  

November 3rd, 2012 17:00

OK - I found the problem and solved it.

I had used Windows speech recognition (WSR) and set one of the WSR options to echo to the speakers.

When I changed the options, the echo stopped. Whew!  

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