Path: utzoo!attcan!uunet!cs.utexas.edu!wuarchive!udel!rochester!kodak!elmgate!jeh From: jeh@elmgate.UUCP (Ed Hanway) Newsgroups: comp.sys.amiga.hardware Subject: Re: Introducing a DSP board for the Amiga (LONG) (REPOST) Message-ID: <1225@elmgate.UUCP> Date: 9 Mar 90 12:45:01 GMT References: <41152.25f147bf@drunivac.drew.edu> Sender: jeh@elmgate.UUCP Reply-To: jeh@elmgate.UUCP (Ed Hanway) Organization: Eastman Kodak Company, Rochester, NY Lines: 21 In article <41152.25f147bf@drunivac.drew.edu> tlimonce@drunivac.drew.edu writes: >[ Repost -- Fixed a couple typos. (I cancelled the first post) ] Might as well fix another: >A CD player uses 16-bits (or 18 ...depending on how you think >about it) per number. A CD player plays at 44.1MHz; this means that it >records 44.1 million numbers per second! Actually, it's 44.1 kHz. So, to play two 16-bit channels you have to push data around at 176,400 bytes per second. At this rate, an Amiga with a good hard disk system and some well designed software just might be able to play continuous CD quality sound from the hard disk, but to do any non-trivial operations to the sound in real time requires a DSP. Is there any hardware on the card other than the DSP and the RAM? Like some nice 16-bit D/As or A/Ds? Ed Hanway Eastman Kodak Company ...!rochester!kodak!elmgate!jeh #include