DocumentCode
1879079
Title
A fast audio bit allocation technique based on a linear R-D model
Author
Chun-Yi Lee ; Yao-Chun Fang ; Hsiao-Chiang Chuang ; Chung-Neng Wang ; Tihao Chiang
Author_Institution
Dept. of Electron. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
fYear
2002
fDate
18-20 June 2002
Firstpage
328
Lastpage
329
Abstract
This paper describes a fast bit allocation technique using a novel linear model for the bit rate and the global gain of the inner loop in the classic MP3 bit allocation. The outer loop is approximated with a binomial expansion. Our technique is five times faster than the LAME MP3 encoder.
Keywords
audio coding; data compression; polynomial approximation; rate distortion theory; MP3; binomial expansion; bit allocation; bit rate; global gain; inner loop; linear R-D model; linear model; outer loop approximation; Bit rate; Digital audio players; Distortion measurement; Encoding; Filter bank; Iterative methods; Nuclear magnetic resonance; Positron emission tomography; Psychoacoustic models; Quantization;
fLanguage
English
Publisher
ieee
Conference_Titel
Consumer Electronics, 2002. ICCE. 2002 Digest of Technical Papers. International Conference on
Conference_Location
Los Angeles, CA, USA
Print_ISBN
0-7803-7300-6
Type
conf
DOI
10.1109/ICCE.2002.1014051
Filename
1014051
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