AUDIO SIGNAL QUALITY ENHANCEMENT IN A DIGITAL NETWORK

Details for Australian Patent Application No. 2001233671 (hide)

Owner NOKIA CORPORATION

Inventors KOISTINEN, Tommi; KIRLA, Olli

Pub. Number AU-A-2001233671

PCT Pub. Number WO2002/054744

Filing date 29 December 2000

Wipo publication date 16 July 2002

International Classifications

H04M 003/22 Automatic or semi-automatic exchanges - Arrangements for supervision, monitoring or testing

G10L 021/02 Processing of the speech signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility

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

H04M 003/18 Automatic or semi-automatic exchanges - with means for reducing interference

H04M 007/00 Arrangements for interconnection between switching centres

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

Event Publications

23 January 2003 Application Open to Public Inspection

  Published as AU-A-2001233671

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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