Coded data generation or conversion – Digital code to digital code converters – To or from variable length codes
Patent
1996-08-20
1997-06-10
Gaffin, Jeffrey A.
Coded data generation or conversion
Digital code to digital code converters
To or from variable length codes
341 50, H03M 740
Patent
active
056380690
ABSTRACT:
A variable length decoder device receives a stream of variable-length encoded data segments for successive transient storage. The storage is recurrently accessed under control of successive pointers. A decoder is fed by the storage and decodes a stream of data segments each from a respective encoded data segment. Furthermore, in step with the decoding a next pointer is produced as being directly derived from the accessing through reading of a localizer information. The latter again is produced in a preprocessor that sits before the storage, through localizing the data segments and indicating each segment by an associated localizer.
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"Designing High-Throughput VLC Decoder Part I-Concurrent VLSI Architectures", by S.F. Chang et al, IEEE Trans. on Circuits and Sys. for Video Tech., vol. 2, No. 2, Jun. 1992.
M.T. Sun, "VLSI Architecture and Implementation of a High-Speed Entropy Decoder", IEEE 24th Int. Symp. on Circuits and Systems, vol. I, 1991, pp. 200-203.
Brondijk Robert A.
Bruls Wilhelmus H. A.
Rensink Alexander M.
Van Der Werf Albert
Gaffin Jeffrey A.
Kost Jason L. W.
U.S. Philips Corporation
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