Bit condensation is defined as the process of reducing the number of bits in a digital audio signal to meet storage requirements. A primary application is to reduce 20 or more bit data to the 16-bit Compact Disc format. Sonic and practical objectives for this process are presented, along with a discussion of three basic approaches: additive dither, subtractive dither and noise-shaping. An additive dither variant developed by Apogee is described. It yields the statistical benefits of additive dither, but without its noise floor penalty.

Authors: Goodwin, Jerrold R.; Jackson, Bruce R.; Levin, Paul A.
Affiliation: Apogee Electronics Corporation, Santa Monica, CA
AES Conference: UK 9th Conference: Managing the Bit Budget (MBB) (May 1994)
Paper Number: MBB-08
Publication Date: May 1, 1994 Import into BibTeX
Subject: Managing the Bit Budget
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=6120

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