Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!sunic!tut!santra!kampi.hut.fi!jmunkki
From: jmunkki@kampi.hut.fi (Juri Munkki)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Mac IIcx & STEREO Sound
Keywords: ASC, Mac II, Stereo Sound
Message-ID: <1990Feb25.162438.21827@santra.uucp>
Date: 25 Feb 90 16:24:38 GMT
References: <20715@netnews.upenn.edu> <5405@okstate.UUCP> <38916@apple.Apple.COM>
Sender: news@santra.uucp (Cnews - USENET news system)
Reply-To: jmunkki@kampi.hut.fi (Juri Munkki)
Organization: Helsinki University of Technology, FINLAND
Lines: 29

In article <38916@apple.Apple.COM> noah@Apple.COM (Noah Price) writes:
>Yes, the Mac Portable, Mac SE/30, and all the Mac II machines use the ASC
>(Apple Sound Chip) and two Sony sound chips (analog/amplifiers).

Our portable doesn't sound half as good as our Mac II. Why?

>In <5405@okstate.UUCP> minich@a.cs.okstate.edu (MINICH ROBERT JOHN) writes:
>>Anyone have gutty, low
>>end details on this chip? I know it offloads considerable processing that 
>>Mac SE and down struggle with. 
>
In article <38916@apple.Apple.COM> noah@Apple.COM (Noah Price) writes:
>For more detailed info on the sound circuitry, check out the "Macintosh Family
>Hardware Reference" published by Adison-Wesley.  If you want to program with
>sound, though, I'd suggest getting a hold of the soundmanager documentation.
>It's available for anonymous ftp on apple.com, in the directory
>pub/dts/mac/docs/soundmgr.hqx.  While you're there, you might want to get
>tech note 168 (on playing sounds in hypercard) in
>pub/dts/mac/tn/tn.151.200/tn-168.hqx.

Unfortunately none of these has any information on how the actual chip works.
All would be fine, if the sound manager allowed full use of the ASC, but it
doesn't. I ordered the Macintosh Family Hardware Reference just to see how
to use the ASC, but all it contains is what the ASC can do and not how.

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|     Juri Munkki jmunkki@hut.fi  jmunkki@fingate.bitnet        I Want   Ne   |
|     Helsinki University of Technology Computing Centre        My Own   XT   |
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