Re: DSP for audio work

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#2431

From: Jim Thomas
Date: Mon, 25 Mar 2002 19:23

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robert bristow-johnson wrote:
> 
> In article 3c9f0b75.31395314@news.optusnet.com.au, Johnny at
> > I also Think that 24bit is plenty good enough for audio.  But 32bit
> > bit floating point is a lot like 24bit fixed point with an 8-bit
> > exponent term.
> 
> well, it's *exactly* like a 25 bit fixed-point (there's a "hidden 1 bit")
> with an 8 bit exponent.

Don't forget about the sign bit.  There are only 23 bits of mantissa, so
the hidden bit makes the 24th.

-- 
Jim Thomas                            E-mail:     jthomas@bittware.com  
Principal  Applications Engineer      Web:     http://www.bittware.com
Bittware, Inc                         Tel:              (703) 779-7770
I thought I was wrong once, but I was mistaken.

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From: Jim Thomas <jthomas@bittware.com>
Newsgroups: sci.electronics.design,aus.electronics,comp.dsp
Subject: Re: DSP for audio work
Date: Mon, 25 Mar 2002 14:23:45 -0500
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