On Sun, 02 Sep 2007 05:22:25 -0700, Telstar Electronics
wrote:

|Why Do You Need a Speech Processor for Your CB Radio?
|Two-way radio communication relies on the modulation contained within
|the signal. Maintaining a high modulation level is crucial in
|providing the highest possible efficiency from any transmitter
|operating on AM, FM, or SSB modes. Two-way radios also rely on
|microphones that inherently change audio levels delivered to the
|transmitter. This causes transmitter modulation to fluctuate greatly
|depending on voice level and pitch. The average modulation of a
|typical voice signal is only about 40%. This low percentage applied to
|the transmitter, results in less than optimal transmission range.
|-------------

rubbish.

james