Subject: Re: [linux-audio-dev] One API for everything (first draft)
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Sun May 20 2001 - 14:35:35 EEST
On Sat, May 19, 2001 at 01:28:19PM -0400, Paul Davis wrote:
> i was reading about the Hammerfall "DSP" yesterday (its not really a
> DSP chip; they've just been quite clever at programming the Xilinx
> FPGA), and they have some interesting examples of why a 32 bit float
> may not be sufficient if we really want "the best" audio fidelity with
> 24 bit multichannel mixdown.
Also, many filter algorithms require 64 bit floats (and/or 96k sample rates),
so it may be better in the future to just run the whole chain at 64bit/96k
and save lots of cheap-n-nasty up and down sampling that goes on.
- Steve
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