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From: Gi gi@gj-cent.demon.co.uk
Subject: Re: Delfina
Date: Tue, 22 Apr 97 02:19:00
NaNo wrote in 2664.7050T200T699@online.no on 20-Apr-97 21:20:13 :
>Tomasz Nidecki wrote:
>> N> found that the Delfina card would be the best option for me. But the
>>is IMHO the best price/performance solution and you will definitely
>>appreciate support from Jyrki and Teemu.
>Ok, does Tejo Kinnunen have something to do with the card?
Nope
>best 'MIDI Tracker' available... bla bla bla anyway, I don't think I'll ever
>own a grapichs card. But is Zorro- II slower on sampling than Zorro- III? or
>does that depend on the prosessor I'm using? I will achive studio quality hd
>recording with delfina and Zorro- II?
Zorro 2 can easily achieve 48Khz 16-bit stereo, the Zorro 2 limitations refer
to using the DSP for mixing the channels, Zorro 2 isn't quite upto that.
>I'll think about that. Isn't the ROM in A-3000 1.3? If so, can it be
>upgraded to 3.0? I don't think Soundstudio will work under OS 1.3.. I don't
>know about the prosessor in A-3000 and how high it can be upgraded for
>maximun speed.
A3000 is a 32-bit Amiga, it has Z3 slots, CPU slot (same as A4000), it can run
OS 3.1. A4000 is largely based on the A3000. the 3000 is better made and is of
a better quality IMHO
>Iv'e never got the grip on how to program computers so I started with music
>instead.., but I understand there is some easy to use software with the
>delfina card enabling me to program effects the easy way.. or is this wrong?
>Maybe it will bump up some groovy utils for the card in the future..
The easiest way to program for sound cards is using AHI and programming in C.
The Delfina has to be programmed in DSP machine code. Although I hear it's a
quite nice chip to program.
>Hmmm.. so this means somethin like the card is capable og performing more
>than the Zorro slots are capable of? What's the point of adding a DSP to the
>card if it cannot be used properly by software? I would need about eight
>stereo channels max for my purpose.
The DSP is a processor, it can do many things, the speed limitation of the
zorro 2 bus just prevents one of two of those things. The DSP is currently
used for processing audio streams. An mpeg audio player using the DSP is
currently being written.
>I hope the card will give me top sound quality , because I'm planning to use
>it in a cd project. The Aura 16 bit versjon wasn't really as good as I
>thought it would be... good, but not enough.
Aura used a 12-bit chip and was a cheapo device. The A/D D/A convertor on the
Delfina is the same as one the AD516 and Toccata.
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