A new recording method for audio signals, employing 1-bit oversampling sigma-delta modulation (bit-stream or DSD), has recently been proposed. To reduce the required storage capacity, a lossless coding scheme as described in [1] can be applied. This scheme results in a lossless coding gain, which varies on a frame basis, thus implying a variable bit rate. In some applications, it is important to have a constant bit rate and consequently buffering is required. In this paper, methods are presented for doing this. Furthermore, alternative lossless coding schemes employing adaptive or linear prediction and 'arithmetic coding' are presented. It is demonstrated that at the expense of coder complexity, the coding gain can be drastically improved.

Authors: Breukers, Fons; Oomen, Werner; van der Vleuten, René; van der Kerkhof, Leon
Affiliations: Philips Research, Eindhoven, The Netherlands ; Philips Consumer Electronics, Eindhoven, The Netherlands(See document for exact affiliation information.)
AES Conference: UK 14th Conference: Audio - The Second Century (June 1999)
Paper Number: ASC-14
Publication Date: June 1, 1999 Import into BibTeX
Subject: Audio - The Second Century
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=7971

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E-Library Location: (CD aes17)   /procuk/1999lo06/1767.pdf

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