Title:
雑音抑圧方法及び装置
Document Type and Number:
Japanese Patent JP5140162
Kind Code:
B2
Abstract:
The present invention relates to a method and a filter design apparatus for designing a digital filter arrangement for noise suppression of a signal representing an acoustic recording. The method comprises determining a desired frequency response of the digital filter arrangement. The method is characterised by including a combination of a high pass filter and a noise suppression filter in the filter arrangement. The combination of the high pass filter and the noise suppression filter is selected based on the determined desired frequency response.
Inventors:
Ogren, Pell
Ericsson, Andesh
Ericsson, Andesh
Application Number:
JP2010539356A
Publication Date:
February 06, 2013
Filing Date:
December 20, 2007
Export Citation:
Assignee:
Telefon Akti Bora Get Elm Ericson (Pubble)
International Classes:
H03H17/02; G10L21/02; G10L21/0208; H03H17/04
Foreign References:
| US20060126865 | ||||
| US5329243 | ||||
| US6708145 | ||||
| EP1926085A1 |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
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