ECHO CANCELING IN A SPEECH PROCESSING SYSTEM

Details for Australian Patent Application No. 2003259469 (hide)

Owner KONINKLIJKE PHILIPS ELECTRONICS N.V.

Inventors YAP, Chee, Kian

Pub. Number AU-A-2003259469

PCT Number PCT/IB03/03911

PCT Pub. Number WO2004/014055

Priority 02017273.0 01.08.02 EP

Filing date 24 July 2003

Wipo publication date 23 February 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

G10K 011/178 Methods or devices for transmitting, conducting or directing sound in general

Event Publications

13 November 2003 Complete Application Filed

  Priority application(s): 02017273.0 01.08.02 EP

1 April 2004 Application Open to Public Inspection

  Published as AU-A-2003259469

26 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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