Data compression, control program for controlling the data...

Details Data compression, control program for controlling the data... Data compression, control program for controlling the data...

2005-09-06

2005-09-06

Chin, Stephen (Department: 2634)

Pulse or digital communications

Bandwidth reduction or expansion

C358S001150, C382S239000, C704S201000, C704S500000

Reexamination Certificate

active

06940900

ABSTRACT:
In a data compression device having a plurality of Huffman coders given identification (ID) values, respectively, to produce Huffman codes together with the corresponding ID codes obtained from the ID values, a re-coding portion is included to change a sequence of the ID values so that a reduction is accomplished about a code amount of the Huffman codes and the ID codes obtained from the ID value sequence and is operable to re-code an input data sequence again by Huffman coders indicated by the changed ID values. Such re-coded Huffman codes and ID codes based on the changed ID values are produced as output data signals.

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Bosi, M., et al., “ISO/IEC MPEG-2 Advanced Audio Coding”, Journal of the Audio Engineering Society, Audio Engineering Society, New York, vol. 45, No. 10, Oct. 1, 1997, pp. 789-812.

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