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Title:
信号分析装置および信号分析方法
Document Type and Number:
Japanese Patent JP4286405
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To optimize the size of an analysis window to an input signal and improve processing efficiency in the case where signal analysis is performed. SOLUTION: The analysis of the analysis window is modified in response to a position for the pitch period of the analysis window or the center of the analysis window is agreed with the center position of the pitch period, is processed a variable frame rate method or after the center of the analysis window is agreed with the center position and phase correction is performed, the optimum analysis window is set in a signal analyzer by performing processing by a fixing frame method, the shortness of a processing time and the improvement of the processing efficiency can be contrived, and processing can be performed in a real time.

Inventors:
Yasuo Yoshioka
Jordi Bonada
Application Number:
JP30026999A
Publication Date:
July 01, 2009
Filing Date:
October 21, 1999
Export Citation:
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Assignee:
Yamaha Corporation
Pompeu Fabra University
International Classes:
G01R23/16; G10L21/04; G10L13/00; G10L21/003; G10L25/18; G10L25/45; G10L25/90
Domestic Patent References:
JP6332496A
JP193795A
JP8202395A
JP7325583A
Attorney, Agent or Firm:
川▲崎▼ 研二