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Article View: comp.sys.amiga.audio
Article #4838

Re: Delfina DSP card for Amiga

#4838
From: Dan Green
Date: Tue, 12 Mar 1996 12:37
19 lines
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In article <4i00tm$rm3@news3.cts.com>, dan@cts.com (David Newman) writes:
>Pauli Porkka (pporkka@walli.uwasa.fi) wrote:
>: Zorro II card so you need A2000/3000/4000. Motorola 56002 40Mhz
>: 16-bit 48khz. As many channes as you need (well, I don't know
>: if the DSP can mix more than 100 or so :--))
>
>Unfortunately a DSP is not magic.  1 channel of 48Khz 16 bit sound 
>is 96K/s.  Assuming your samples are spooled from hard disk, Zorro-II
>can only transfer a max of 2.5 MB/s, which limits you to about 25 
>channels and that is assuming that your drive have no seek time as they
>swap between 25 mono AIFF files.  Ie 16 will be your max. At 16 
>channel your bus will be close to saturated (that is why Sunrise was 
>only 8 channels).

Ehh? What is wrong with having the samples stored in RAM? I think that
the purpose of this card is to work as a sampler for composing music, 
not for recording 16 realtime HD tracks.

/Dan
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From: etxdagr@tn.ericsson.se (Dan Green)
Newsgroups: comp.sys.amiga.audio
Subject: Re: Delfina DSP card for Amiga
Date: 12 Mar 1996 12:37:56 GMT
Organization: Ericsson Telecom AB
Distribution: world
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