Speech bandwidth extension apparatus and speech bandwidth extension method

Details for Australian Patent Application No. 2002355319 (hide)

Owner NEC CORPORATION

Inventors Ozawa, Kazunori

Agent Spruson & Ferguson

Pub. Number AU-A-2002355319

PCT Number PCT/JP02/07605

PCT Pub. Number WO2003/010752

Priority 2001-226751 26.07.01 JP

Filing date 26 July 2002

Wipo publication date 17 February 2003

International Classifications

G10L 013/00 Speech synthesis

G10L 021/04 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

Event Publications

20 March 2003 Complete Application Filed

  Priority application(s): 2001-226751 26.07.01 JP

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002355319

8 December 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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