DSP code for modem functions?

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2 total messages Started by Michael Smith Thu, 10 Dec 1992 23:13

#1833

Author: Michael Smith
Date: Thu, 10 Dec 1992 23:13

21 lines
1275 bytes

Hope this isn't a FAQ:

Does anyone know where I might get (free or commercial) DSP code 
implementing modem functions (modulation, demodulation, filtering, 
training, etc...)? I'm interested in V.32bis, V.32, V.22bis, V.22, Bell 
212 -- any or all of these. Ideally I'd like to get source as well as 
executable code, but would also like to know about any providers of 
executable-only implementations.

I'm not planning to go into the modem business, so modem companies need 
fear no competition. The requirement is an internal one in my company -- 
we need to put together an integrated piece of hardware incorporating 
both modem functions and proprietary protocol and network-management 
processing. If it's cheaper for us to license code than to write it 
ourselves, we shall. 

I'll summarize and post any responses I get.

Thanks much!

--Michael Smith

Re: DSP code for modem functions?

#1836

Author: Lars Poulsen
Date: Sat, 12 Dec 1992 18:39

20 lines
1489 bytes

In article <2933103874.1.p00004@psilink.com>
   "Michael Smith" <p00004@psilink.com> writes:
>I'm not planning to go into the modem business, so modem companies need 
>fear no competition. The requirement is an internal one in my company -- 
>we need to put together an integrated piece of hardware incorporating 
>both modem functions and proprietary protocol and network-management 
>processing. If it's cheaper for us to license code than to write it 
>ourselves, we shall. 

I noticed that you don't say which company you work for.

I also noticed that the device you are describing sounds a lot like "a
smart modem". If the modem function is really the least part of your
system, I suggest that you simply install a Rockwell-chipset-based modem
in a corner of your circuit board.

-- 
/ Lars Poulsen, SMTS Software Engineer	Internet E-mail: lars@CMC.COM
  CMC Network Products / Rockwell Int'l	Telephone: +1-805-968-4262	
  Santa Barbara, CA 93117-3083		TeleFAX:   +1-805-968-8256

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