DocumentCode
3425675
Title
Vibration signal compression by an ADPCM encoder
Author
He, Zhenya ; Wu, Lenan ; Xu, Hua
Author_Institution
Dept. of Radio Eng., Southeast Univ., Nanjing, China
fYear
1991
fDate
9-10 May 1991
Firstpage
343
Abstract
A description is presented of an effective adaptive encoder, an adaptive differential pulse code modulation (ADPCM) encoder whose main part is a LMS adaptive predictor, and applications in vibration signal compression. Some simulation results are also presented and analyzed. The ADPCM encoder described has the advantage of adapting statistical variation of the input signal and can maintain a relatively high compression ratio in such situations. It is an effective method in vibration signal compression
Keywords
data compression; encoding; filtering and prediction theory; least squares approximations; pulse-code modulation; ADPCM encoder; LMS adaptive predictor; adaptive differential pulse code modulation; high compression ratio; input signal; statistical variation; vibration signal compression; Adaptive filters; Bit rate; Delay; Digital signal processing; Dynamic range; Equations; Least squares approximation; Mean square error methods; Signal processing algorithms; Vectors;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications, Computers and Signal Processing, 1991., IEEE Pacific Rim Conference on
Conference_Location
Victoria, BC
Print_ISBN
0-87942-638-1
Type
conf
DOI
10.1109/PACRIM.1991.160749
Filename
160749
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