Adaptive Algorithm for Speech Compression using Cosine Packet Transform

被引：0
|
作者：
Prakasam, P. [1 ]
Madheswaran, M. [1 ]
机构：
[1] Muthayammal Engn Coll, Dept Elect & Commun Engn, Ctr Adv Res, Rasipuram 637408, Tamil Nadu, India
来源：
ICIAS 2007: INTERNATIONAL CONFERENCE ON INTELLIGENT & ADVANCED SYSTEMS, VOLS 1-3, PROCEEDINGS | 2007年
关键词：
Discrete Cosine Transform; Discrete Wavelet Transform; Wavelet Packet Transform; Cosine Packets; adaptive thresholding;
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 presents a new adaptive algorithm for speech Compression using Cosine Packet Transform. The proposed algorithm uses packet decomposition, which reduces a computational complexity of a system. This paper compare the compression ratio of methods using Wavelet Transform, Cosine Transform, Wavelet Packet Transform and proposed adaptive algorithm using Cosine Packet Transform for different speech signal samples. The mean compression ratio is calculated for all the methods and compared. The implemented results show that the proposed compression algorithm gives the better performance for speech signals.
引用
收藏
页码：1168 / 1172
页数：5
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