Title:
音響心理学的モデル及びオーバーサンプル型フィルタバンクを用いる音声明瞭度の向上
Document Type and Number:
Japanese Patent JP2004537940
Kind Code:
A
Abstract:
A system and method of improving signal intelligibility over an interference signal is provided. The system includes a psychoacoustic professor having a psychoacoustic model wherein the level of a signal-of-interest is improved so as to be audible above noise and so as not to exceed a predetermined maximum output level. The system can be combined with active noise cancellation.
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Inventors:
Schneider, Todd
Corde, David
Brennan, Robert, Elle.
Orijnik, Peter
Corde, David
Brennan, Robert, Elle.
Orijnik, Peter
Application Number:
JP2003519932A
Publication Date:
December 16, 2004
Filing Date:
August 07, 2002
Export Citation:
Assignee:
DSPFACTORY LTD.
International Classes:
G10L21/0364; H04S1/00; H04S7/00; H04R3/04; (IPC1-7): H04R3/04; G10L19/00; G10L19/14; H04S1/00; H04S7/00
Domestic Patent References:
| JPH09186540A | 1997-07-15 | |||
| JPH11298990A | 1999-10-29 | |||
| JPH02224500A | 1990-09-06 | |||
| JPH0667681A | 1994-03-11 | |||
| JPH10178695A | 1998-06-30 |
Foreign References:
| WO1998047315A1 | 1998-10-22 | |||
| US5388185A | 1995-02-07 | |||
| WO2000065872A1 | 2000-11-02 |
Attorney, Agent or Firm:
Masumi Hosoda
So Ishii
Juno Aoki
So Ishii
Juno Aoki