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From: todd@ivucsb.sba.ca.us (Todd Day)
Newsgroups: comp.sys.next,comp.dsp
Subject: Re: Reading a CD player's digital output
Message-ID: <1989Sep28.165644.6764@ivucsb.sba.ca.us>
Date: 28 Sep 89 16:56:44 GMT
References: <5664@decvax.dec.com>
Organization: Disillusioned Graduate Hackers, Santa Barbara, CA
Lines: 24

dcj@flume.ZK3.DEC.COM (Dave Jedlinsky OSEM) writes:


~I'm interested in connecting the digital output of a CD player (or, more
~specifically, a PCM recorder) to the digital input on a NeXT cube.

What is the format of the digital input for the NeXT?  If that port
simply goes to the synchrounous serial input on the 56000, then
things are easy if you also have a CD player that utilizes the
Sony data separator chip (Sony and Denon players use it, at least).
There is an app note from Motorola on how to insert a 56000 into
the serial data stream of a Sony CD player.  Note that you'll have
to open up the CD player and AT LEAST do some tack soldering (one
wire).  If you use the digital out of the CD player, you'll have
to get rid of all of the subcode information that's sent along
for the ride.  This means you'll have to do some programming for
the 56000.  However, I'll bet that someone already has an application
built for the NeXT machine for just plugging the CD player in.

-- 

Todd Day  |  todd@ivucsb.sba.ca.us  |  ivucsb!todd@anise.acc.com
"Ya know, some day these scientists are going to invent something
	that can outsmart a rabbit" -- Bugs Bunny