Thread: A more rational approach -- how I would like to change the cell phone industry.
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Old July 20th 07, 03:45 AM posted to sci.electronics.basics,rec.radio.shortwave,rec.radio.amateur.antenna,alt.cellular.cingular,alt.internet.wireless
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Default A more rational approach -- how I would like to change the?cell phone industry.
In rec.radio.amateur.antenna Don Bowey wrote:
On 7/19/07 4:42 PM, in article ,
"John Navas" wrote:

On Thu, 19 Jul 2007 14:45:00 GMT, wrote in
:

In rec.radio.amateur.antenna Radium wrote:

Digital cell phones should stop using the compression they use and
start using monaural WMA compression with a CBR of 20 kbps or less and
a sample rate of at least 44.1 KHz. In addition, the following must
also apply:

The audio bandwidth of the phone system is about 3 KHz.

Actually more like 10 KHz.

If he is commenting on the bandwidth of a message network channel/circuit,
including cellular, it is about 3 kHz.

Exactly.

--
Jim Pennino

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