Info needed on CD-Rom Audio

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2 total messages Started by Brian Grier Wed, 14 Oct 1992 13:04

#854

Author: Brian Grier
Date: Wed, 14 Oct 1992 13:04

11 lines
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I am working on a CD-ROM extension to one of our systems.
Accessing the High Sierra data is not much of a problem.
But I need the commands to play audio CD's. If anyone has this
information I'd appreciate it.

Please post the information here as I am having problems with
my mail account.

Brian, WS1S
Bell Northern Research
Research Triangle Park, NC

Re: Info needed on CD-Rom Audio

#856

Author: Mark Callow
Date: Wed, 14 Oct 1992 19:23

27 lines
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In article <1992Oct14.130445.15513@bnr.ca>, grier@bnr.ca writes:
> I am working on a CD-ROM extension to one of our systems.
> Accessing the High Sierra data is not much of a problem.
> But I need the commands to play audio CD's. If anyone has this
> information I'd appreciate it.
> 

You don't give enough information to answer yuor question.  However the
basic answer is RTFM.

Get the manual for the particular brand of CD-ROM drive you have and
look for the SCSI commands that cause it to play an audio CD through
the headphone jack (or line-out jacks) on the CD-ROM drive.

If you want to read audio data from an audio CD into your system you are
out of luck unless your system is a Silicon Graphics IRIS Indigo or
Personal IRIS 4D/35.  SGI ships a specially modified version of the
Toshiba 3301B CD-ROM drive that can read audio CD's and transfer the
data across the SCSI bus.  Currently this is the only CD-ROM drive in
the world that can do this.  SGI also ships a library,libcdaudio, that
makes it easy to take advantage of the special features and a CD player
program, cdman, that plays CD's through the Indigo's audio hardware.

If you have an Indigo, the answer is still RTFM.

	-Mark

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