The first implementation of a purely digital, universal sampling frequency converter was based on a four-stage digital filter supplemented by a complex asynchronous buffer. A new approach to digital filter design and implementation leads to one single filter of length 1.8 million, with considerably simplified control circuitry. The new design accepts fast-varying sampling frequencies, can reverse modes without output discontinuity, and accommodates digital audio word lengths in excess of 16 bits.

Authors: Lagadec, Roger; Pelloni, D.; Koch, A.
Affiliation: Willi Studer AG, Regensdorf, Switzerland
AES Convention: 74 (October 1983) Paper Number: 2039
Publication Date: October 1, 1983 Import into BibTeX
Subject: Signal Processing—Digital
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=11725

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