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[TRLog] Audio Interface

Subject: [TRLog] Audio Interface
From: tegennett@SMLY-01.HFS.PURDUE.EDU (Tim Gennett)
Date: Mon, 16 Nov 1998 09:06:17 +0000
I am hoping to use the Sound Blaster Digital Voice software (SBDVP) 
for SS this weekend.

I've installed it and it seems to work well with TR and with the 
computer.  What I hear from the computer's speakers is fine.  But, 
the audio interface to the rig is a problem.  From signal reports I 
have gotten in testing, there is either no intelligible audio or a 
"chirping" sound.

Is this an impedence mismatch between the sound card (impedence 
unknown, but I would guess 8 ohms) and the Kenwood 450 rig (which 
uses a 600 ohm mic)?  Any suggestion on how to make the interface 
successful?  Would I benefit from an isolation transformer?  I don't 
hear any hum.  I get the same result, whether I feed the audio from 
the computer to the front mic jack or the back accessory jack.

Never afraid to show my ignorance.....

de K9WX

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