Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!andrew.cmu.edu!cc4b+
From: cc4b+@andrew.cmu.edu (Christopher Brian Cox)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Sound Digitizer
Message-ID: <8Zgzj=i00VQ647d1tQ@andrew.cmu.edu>
Date: 17 Jan 90 04:59:55 GMT
References: <628@buster.irby.com> <10417@zodiac.ADS.COM> <sZgfnPi00Ug_M5bGRD@andrew.cmu.edu> <2739@draken.nada.kth.se>,
	<2740@draken.nada.kth.se>
Distribution: comp
Organization: Class of '90, Carnegie Mellon, Pittsburgh, PA
Lines: 18
In-Reply-To: <2740@draken.nada.kth.se>


>>44.1 kHz ~= 4,410,000 bits / sec. (1 start, 8 data,  1 stop bits) (ouch!)
>>If you use the serial port.
>C. B. Cox, Math - D
>44.1 * 1,000 * (8+1+1) ~= 441,000 bits/sec. Still twice as much
>as the serial port manages, though.
 
WHOOPS, I hit one too many zeros on the calculator!
(PDE's I can remember, multiplication - that's another matter)
 
Chris
 
 
ps. priced a sampler lately? Some of them have a reason for being expensive,
 but most don't.
 
pps. (ragge@nada.kth.se) I'll have to try an external clock on the serial
port, thanks for the suggestion.