I tried a "crazy" idea years ago. Two commercial pitch transposers. Drop
frequency down and turn on a narrow filter. Voice quality is not super, but
not bad and it used half of the bandwidth. Can cut qrm quite a bit.
Best regards from Rochester, NY
Jim
"Frank Gilliland" wrote in message
news

Had an off-the-wall idea last night to use dbx noise reduction with a
CB. It would require dbx units on both ends. The audio bandwidth is
small so Type I wouldn't work, but maybe Type II? Anybody ever try it?
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