Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!ut-emx!ccwf.cc.utexas.edu
From: daveh@ccwf.cc.utexas.edu (David H. Huang)
Newsgroups: comp.sys.apple2
Subject: Re: Playing a sound
Message-ID: <43148@ut-emx.uucp>
Date: 25 Jan 91 15:31:05 GMT
References: <393@generic.UUCP>
Sender: news@ut-emx.uucp
Reply-To: daveh@ccwf.cc.utexas.edu (David H. Huang)
Organization: The University of Texas at Austin
Lines: 30

In article <393@generic.UUCP> taob@pnet91.cts.com (Brian Tao) writes:
>From ifar355@ccwf.cc.utexas.edu (David H. Huang):
>
>> The only problem that I can think of is whether a 3.5" disk will
>> be fast enough to load the sound in time, or will a hard drive
>> be necessary.
>
>    I think the maximum read using GS/OS block calls is around 32K/second
>which is enough to play back the 22.1-kHz samples.  However, the drive
>generates interrupts as it works, so your sound will become all chopped up. 
>Ever try playing back a SoundSmith song with BGSound while the floppy drive is
>running?

Yeah, I've successfully played 22KHz samples, but that's about the upper
limit. The sound doesn't get chopped up though, if you set the DOC buffer
size to 16 or 32K.

>Brian T. Tao  {taob@pnet91.cts.com} ||  Computer guru?  Someone who got
>University of Metro Toronto         ||  their computer a couple of weeks
>Scarberia, ON, MIC 3A8         *B-) ||  before you did.  (Alvin Toffler)

BTW, my email address has changed.
It's now daveh@ccwf.cc.utexas.edu


-- 
David Huang                                 |
Internet: ifar355@ccwf.cc.utexas.edu        |     "My ganglion is stuck in
UUCP: ...!ut-emx!ccwf.cc.utexas.edu!ifar355 |      a piece of chewing gum!"
America Online: DrWho29                     |