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- Path: sparky!uunet!mcsun!sun4nl!cwi.nl!jhh
- From: jhh@cwi.nl (Jaap Henk Hoepman)
- Newsgroups: comp.sys.atari.st
- Subject: Re: FALCON
- Message-ID: <7170@charon.cwi.nl>
- Date: 27 Aug 92 15:06:54 GMT
- References: <27171@life.ai.mit.edu> <1604PB2w164w@cellar.org>
- Sender: news@cwi.nl
- Organization: CWI, Amsterdam
- Lines: 36
-
- In article <1604PB2w164w@cellar.org>, darling@cellar.org (Thomas Darling) writes:
-
- [stuff deleted]
-
- |>
- |> And fourth, how many times do you have to be told that samplers and
- |> recorders are completely different? A sampler's DAC involves things like
- |> moving anti-aliasing filters and variable-frequency playback. An audio
- |> recorder can make do with fixed-frequency playback and simple D/A
- |> conversion.
-
- It might interest you to know that currently the new range of Roland samplers
- use fixed-frequency playback. The fact that older samplers use variable-frequency
- playback and moving anti-aliasing filters only makes them much more expensive,
- surely not better (in precision) than fixed-frequency DAC's.
-
- Regarding precision, I'd rather `make do' with a fixed frequency DAC, using
- some good interpolation (quadratic) method, than relying on a moving anti-alias
- filter. Anyone who has any experience with analog filter techniques knows that
- filters, and especially state-variable ones, are always imperfect.
-
- b.t.w., i am considering to try and write a sampler program for the FALCON.
- If you look at the specifications, it must be possible. I do not
- expect, however, to obtain a large degree of polyphonism (I think I would be
- quite happy to reach more that 10 `voices' simultaneously). To bad the
- 68030 doesn't run at 32MHz.
-
- If anyone has suggestions as to which functions should be present in a sampler,
- mail them to me. I'm especially interested in those functions that are
- currently lacking in sold samplers.
-
- ----------------------------------------------------------------------------------
- Jaap-Henk Hoepman, jhh@cwi.nl Centre of Mathematics and Computer Science
- Amsterdam
- The Netherlands
- ----------------------------------------------------------------------------------
-