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From: cyamamot@castor.usc.edu (Cliff Yamamoto)
Newsgroups: comp.dsp
Subject: Re: My pitch shifter for 56000
Summary: Todd what kind of system do you use?
Keywords: development, system, IBM, cost
Message-ID: <5334@merlin.usc.edu>
Date: 25 Sep 89 14:36:25 GMT
References: <1989Sep25.074206.972@ivucsb.sba.ca.us>
Sender: news@merlin.usc.edu
Reply-To: cyamamot@castor.usc.edu (Cliff Yamamoto)
Organization: University of Southern California, Los Angeles, CA
Lines: 27

In article <1989Sep25.074206.972@ivucsb.sba.ca.us> todd@ivucsb.sba.ca.us (Todd Day) writes:
>This was not written by me originally, but I converted it
>for use in a stereo sampling system.
>	      ^^^^^^^^^^^^^^^^^^^^^^
>[code deleted]...
>
>You can get rid of a large part of the code in the center.  I am
>simply monitoring the serial port for keys hit so I can change
		   ^^^^^^^^^^^^^^^
>the pitch shifting on the fly.  It also prints out over the serial
>port the alpha value currently being used.

Todd,

Did you assemble this "system" yourself?  I'd like to get into DSP, but is
it really necessary that I spend >$1K to have such a system?  I have an AT
compatible and I really don't need to have a stand-alone system (like yours
with a serial port).  Does anyone out there have a 56001 system running on
an AT platform that they built/bought for under $1K?  Does adding a second
pair of ADC/DAC's for stereo increase the cost/complexity a lot?

Since I don't have any 56000 data sheets can you tell me what's the
difference between the 56000 and the 56001?

Thanks for any info!

Cliff