TRS-80 Model 100: Phone port pinout

From: Jochen Kunz <jkunz_at_unixag-kl.fh-kl.de>
Date: Sat Feb 5 14:57:54 2005

On Sat, 5 Feb 2005 11:36:16 -0800 (PST)
Vintage Computer Festival <vcf_at_siconic.com> wrote:

> 300baud? I don't see why not. If you can reliably hear the other
> person you're talking to on a cell phone then why not a 300 baud
> carrier, which is well within typical human voice frequencies?
AFAIK cell phones use compression on the digitalized audio stream to get
it down to 9600 bit/s. (?) This is optimized for speach and may not fit
the frequency spectrum generated by a modem.
-- 
tsch??,
       Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/
Received on Sat Feb 05 2005 - 14:57:54 GMT

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