AU3690197A - Speech/audio coding with non-linear spectral-amplitude transformation - Google Patents
Speech/audio coding with non-linear spectral-amplitude transformationInfo
- Publication number
- AU3690197A AU3690197A AU36901/97A AU3690197A AU3690197A AU 3690197 A AU3690197 A AU 3690197A AU 36901/97 A AU36901/97 A AU 36901/97A AU 3690197 A AU3690197 A AU 3690197A AU 3690197 A AU3690197 A AU 3690197A
- Authority
- AU
- Australia
- Prior art keywords
- speech
- audio coding
- linear spectral
- amplitude transformation
- transformation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000009466 transformation Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2298696P | 1996-08-02 | 1996-08-02 | |
US60022986 | 1996-08-02 | ||
PCT/CA1997/000543 WO1998006090A1 (en) | 1996-08-02 | 1997-07-30 | Speech/audio coding with non-linear spectral-amplitude transformation |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3690197A true AU3690197A (en) | 1998-02-25 |
Family
ID=21812476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU36901/97A Abandoned AU3690197A (en) | 1996-08-02 | 1997-07-30 | Speech/audio coding with non-linear spectral-amplitude transformation |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU3690197A (en) |
WO (1) | WO1998006090A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6604071B1 (en) * | 1999-02-09 | 2003-08-05 | At&T Corp. | Speech enhancement with gain limitations based on speech activity |
FR2824978B1 (en) * | 2001-05-15 | 2003-09-19 | Wavecom Sa | DEVICE AND METHOD FOR PROCESSING AN AUDIO SIGNAL |
FR2826492B1 (en) | 2001-06-22 | 2003-09-26 | Thales Sa | METHOD AND SYSTEM FOR PRE AND AFTER-PROCESSING OF AN AUDIO SIGNAL FOR TRANSMISSION ON A HIGHLY DISTURBED CHANNEL |
AUPR647501A0 (en) | 2001-07-19 | 2001-08-09 | Vast Audio Pty Ltd | Recording a three dimensional auditory scene and reproducing it for the individual listener |
KR100612889B1 (en) | 2005-02-05 | 2006-08-14 | 삼성전자주식회사 | Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus thereof |
US8086451B2 (en) | 2005-04-20 | 2011-12-27 | Qnx Software Systems Co. | System for improving speech intelligibility through high frequency compression |
US8249861B2 (en) | 2005-04-20 | 2012-08-21 | Qnx Software Systems Limited | High frequency compression integration |
US7813931B2 (en) | 2005-04-20 | 2010-10-12 | QNX Software Systems, Co. | System for improving speech quality and intelligibility with bandwidth compression/expansion |
US8311840B2 (en) * | 2005-06-28 | 2012-11-13 | Qnx Software Systems Limited | Frequency extension of harmonic signals |
US7720677B2 (en) | 2005-11-03 | 2010-05-18 | Coding Technologies Ab | Time warped modified transform coding of audio signals |
US7546237B2 (en) | 2005-12-23 | 2009-06-09 | Qnx Software Systems (Wavemakers), Inc. | Bandwidth extension of narrowband speech |
US7912729B2 (en) | 2007-02-23 | 2011-03-22 | Qnx Software Systems Co. | High-frequency bandwidth extension in the time domain |
WO2023056920A1 (en) * | 2021-10-05 | 2023-04-13 | Huawei Technologies Co., Ltd. | Multilayer perceptron neural network for speech processing |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4937873A (en) * | 1985-03-18 | 1990-06-26 | Massachusetts Institute Of Technology | Computationally efficient sine wave synthesis for acoustic waveform processing |
US5394508A (en) * | 1992-01-17 | 1995-02-28 | Massachusetts Institute Of Technology | Method and apparatus for encoding decoding and compression of audio-type data |
-
1997
- 1997-07-30 WO PCT/CA1997/000543 patent/WO1998006090A1/en active Application Filing
- 1997-07-30 AU AU36901/97A patent/AU3690197A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1998006090A1 (en) | 1998-02-12 |
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