madplay dither algorithm

"Liem Pham Tan" <[email protected]> Fri, 1 Dec 2006 15:21:51 +0700
Newsgroups gmane.comp.audio.mad.devel
Message-ID <[email protected]>
hi All, I'm new to digital sound engineering.
I don't understand the steps involved in madplay's dithering algorithm in
audio_linear_dither(). Can anybody give me some clues on this?
Does a 32-bit PCM in madplay when dithered to 16-bit output give better
sound quality than an original 16-bit decoder?
-- 
Thanks in advance,
Liem Pham