Re: [linux-audio-dev] float a/d (was Linux support for IEEE1394 mLAN?)

[Paul Barton-Davis]

>Paul Barton-Davis wrote:
>> 
>> i don't believe that 64 bit floats are necessary, but i also don't
>> believe that they are a problem either. i think that karl did a pretty
>> good job of explaining why this stuff about "resolution loss" is
>> relatively bogus.
>
>The biggest problem I've been dealing with when using generic computers for
>signal processing is memory bandwidth. It's the major limiting factor. DSP
>speed halves when moving from single to double precision FP...
>
>I can get around 400 MB/sec from PC and 2.5 GB/sec from Alpha (DS20 & ES40).

for off-line processing, this might be an issue. however, for
real-time applications, its not the critical limitation. and from my
perspective, real-time work is by far the more interesting area.

--p