DocumentCode
1256115
Title
Multi-domain speech compression based on wavelet packet transform
Author
Xiaodong, Wu ; Yongming, Li ; Hongyi, Chen
Author_Institution
Inst. of Microelectron., Tsinghua Univ., Beijing, China
Volume
34
Issue
2
fYear
1998
fDate
1/22/1998 12:00:00 AM
Firstpage
154
Lastpage
155
Abstract
The authors present a multi-domain speech compression method based on a wavelet packet transform. The signals are compressed in domains with different time-frequency resolutions according to their energy distribution in these domains. It is shown that this method is simple to implement and is effective at compressing speech and audio signals, even at bit rates as low as 2 kbit/s
Keywords
audio coding; data compression; speech coding; wavelet transforms; 2 kbit/s; audio signals; energy distribution; multi-domain speech compression; time-frequency resolutions; wavelet packet transform;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19980143
Filename
653168
Link To Document