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
收藏
页码：972 / 976
页数：5
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