Sampled-data audio signal compression with Huffman coding

被引：0

作者：

Ashida, S ^{[1
]}

Kakemizu, H ^{[1
]}

Nagahara, M ^{[1
]}

Yamamoto, Y ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan

来源：

SICE 2004 ANNUAL CONFERENCE, VOLS 1-3 | 2004年

关键词：

sampled-data control; subband-coding; bit allocation; Huffman coding; MPEG-1; Audio;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a new digital audio coding method. It combines subband-coding with an interpolator that recovers the high frequency spectrum according to an analog audio signal model. The interpolator can be designed via sampled-data control theory. Efficient compression can be achieved by the Huffman coding at low bit-rate transmission. The proposed method is seen to possess a better frequency characteristic and a simpler processing algorithm than MPEG-1 Audio.

引用

页码：972 / 976

页数：5

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