Of course I should have specified software.  Also, for many DSP's 24
bit is a native format (e.g. Motorola).
paul winkler wrote:
> 
> 
> "No one" as long as you're talking about computer software only; I
> wasn't. Sorry if that wasn't clear. It's my understanding that quite a
> lot of digital audio hardware, such as Yamaha's digital mixers, uses
> 24-bit integer calculations for most (all?) of the signal path. The
> results are generally considered to be quite good.

-- 
Mike Berry
mikeb@nmol.com