Sound intelligibility enhancement using a psychoacoustic model and an oversampled filterbank

Details for Australian Patent Application No. 2002322866 (hide)

Owner Emma Mixed Signal C.V.

Inventors Schneider, Todd; Coode, David; Olijnyk, Peter; Brennan, Robert L.

Agent Allens Arthur Robinson

Pub. Number AU-B-2002322866

PCT Number PCT/CA02/01221

PCT Pub. Number WO2003/015082

Priority 2,354,755 07.08.01 CA

Filing date 7 August 2002

Wipo publication date 24 February 2003

Acceptance publication date 11 October 2007

International Classifications

H04R 3/04 (2006.01) Circuits for transducers - for correcting frequency response

G10L 19/00 (2006.01) Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders

G10L 19/14 (2006.01) Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders

G10L 21/02 (2006.01) 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

H04S 1/00 (2006.01) Two-channel systems

H04S 7/00 (2006.01) Indicating arrangements

G10L 19/02 (2006.01) Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders

G10L 21/00 (2006.01) 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

H04R 25/00 (2006.01) Deaf-aid sets

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 2,354,755 07.08.01 CA

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002322866

2 June 2005 Assignment before Grant

  Dspfactory Ltd. The application has been assigned to Emma Mixed Signal C.V.

18 August 2005 Amendment Made

  The nature of the amendment is: Amend the invention title to read Sound intelligibility enchancement using a psychoacoustic model and an oversampled filterbank

15 September 2005 Corrigenda

  Amendments, Section 104 - Amendments Made Under the name Emma Mixed Signal C.V., Application No. 2002322866, correct the title to read Sound intelligibility enhancement using a psychoacoustic model and an oversampled filterbank

11 October 2007 Application Accepted

  Published as AU-B-2002322866

7 February 2008 Standard Patent Sealed

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