NOISE MATCHING FOR ECHO CANCELLERS

Details for Australian Patent Application No. 2003287422 (hide)

Owner INTEL CORPORATION

Inventors BERSHAD, Neil; BIST, Anurag; HSIEH, Stan

Pub. Number AU-A-2003287422

PCT Number PCT/US2003/0348

PCT Pub. Number WO2004/049687

Priority 10/305,222 25.11.02 US

Filing date 30 October 2003

Wipo publication date 18 June 2004

International Classifications

H04M 009/08 Arrangements for interconnection not involving centralised switching - Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

H04B 003/23 Line transmission systems - using a replica of transmitted signal in the time domain, e.g. echo cancellers

G10L 019/00 Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 10/305,222 25.11.02 US

22 July 2004 Application Open to Public Inspection

  Published as AU-A-2003287422

11 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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