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From: tre@sdcarl.UUCP (Tom Erbe)
Newsgroups: net.micro.atari,net.micro.amiga
Subject: Re: Amiga sound capabilities
Message-ID: <267@sdcarl.UUCP>
Date: Wed, 11-Dec-85 12:57:03 EST
Article-I.D.: sdcarl.267
Posted: Wed Dec 11 12:57:03 1985
Date-Received: Sun, 15-Dec-85 00:29:16 EST
References: <8512062142.AA07057@ucbvax.berkeley.edu> <977@cadovax.UUCP>
Reply-To: tre@sdcarl.UUCP (Tom Erbe)
Organization: Computer Audio Research Lab, UCSD, San Diego, Calif.
Lines: 25
Keywords: Sampling???
Xref: watmath net.micro.atari:1974 net.micro.amiga:1117

In article <977@cadovax.UUCP> keithd@cadovax.UUCP (Keith Doyle) writes:
>
>   3a. The Amiga supports a series of dedicated DMA channels that DO NOT 
>       INTERFERE with the CPU speed for 4 sound channels that utilize a
>       wavetable (up to max available of the internal 512k ram) and associated
>       volume and pitch tables, which effectively constitute a 4 channel
>       8-bit digital sampling synthesizer a-la Ensonique Mirage but with
>       4 channels instead of however many the Mirage has.
>
>But for me, I bought an Amiga, the least expensive system that could do what 
>*I* needed in a machine, because the 520ST couldn't do those things at all 
>(imaging at 640x400, NTSC video compatibility, and digital sampling of 
>sound).
>
>Keith Doyle
>#  {ucbvax,ihnp4,decvax}!trwrb!cadovax!keithd
>#  cadovax!keithd@ucla-locus.arpa

How does the Amiga sample sound??  I have heard this many, many times, yet no-
one has ever mentioned an ADC in the machine, only an 8-bit DAC.  (By the way,
does this DAC have the proper anti-aliasing filters?)  

-- 
	thomas r. erbe
	{ucbvax,ihnp4,akgua,hplabs,sdcsvax}!sdcarl!tre