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Article #1247Re: A background rumble appears in a sound from microphone in Sound blaster Live.
From: Laurence Payne
Date: Wed, 17 Oct 2007 23:59
Date: Wed, 17 Oct 2007 23:59
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2750 bytes
On Wed, 17 Oct 2007 13:15:59 -0700, "Richard Crowley" <rcrowley@xp7rt.net> wrote: >"D" wrote ... >> The hum is from speakers, not from the case. Yes, either of the >> headsets work OK on another computer. > >Then it is possible that the sound card has a problem. >Since the sound card feeds power into the microphone in >the handset, the filter capacitor on the microphone power >may have a problem that is letting 50Hz hum get injected >into whatever microphone is connected. You would not >hear this unless a microphone was connected. Since the >headsets work OK on another computer, that casts the >suspicion back on the sound card. Perhaps the sound card just has the problem that it's a Soundblaster Live! and you're using the mic input. A SB's Line in/out is acceptable quality but the mic input is a joke.
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