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Showing content from https://patents.google.com/patent/AU9404098A/en below:

AU9404098A - Scalable and embedded codec for speech and audio signals

AU9404098A - Scalable and embedded codec for speech and audio signals - Google PatentsScalable and embedded codec for speech and audio signals Info

Publication number: AU9404098A
Authority: AU; Australia
Prior art keywords: scalable; speech; audio signals; embedded codec; codec
Prior art date: 1997-09-23
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

Application number

AU94040/98A

Inventor

Joseph G Aguilar

David A. Campana

Raymond Chen

Robert B. Dunn

Robert J. Mcaulay

Xiaoquin Sun

Wei Wang

Craig Watkins

Robert W. Zopf

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Voxware Inc

Original Assignee

Voxware Inc

Priority date (The priority date 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 date listed.)

1997-09-23

Filing date

1998-09-23

Publication date

1999-04-12

1998-09-23 Application filed by Voxware Inc filed Critical Voxware Inc

1999-04-12 Publication of AU9404098A publication Critical patent/AU9404098A/en

Status Abandoned legal-status Critical Current

Links

230000005236 sound signal 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
- 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
- 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
- G10L19/0212—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 orthogonal transformation
- 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
- G10L19/04—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 predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
- 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
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation

Landscapes

Engineering & Computer Science (AREA)
Computational Linguistics (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Quality & Reliability (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)

AU94040/98A 1997-09-23 1998-09-23 Scalable and embedded codec for speech and audio signals Abandoned AU9404098A (en) Applications Claiming Priority (5) Application Number Priority Date Filing Date Title US5961097P 1997-09-23 1997-09-23 US60059610 1997-09-23 US7056798P 1998-01-06 1998-01-06 US60070567 1998-01-06 PCT/US1998/019858 WO1999016050A1 (en) 1997-09-23 1998-09-23 Scalable and embedded codec for speech and audio signals Publications (1) Publication Number Publication Date AU9404098A true AU9404098A (en) 1999-04-12 Family ID=26738975 Family Applications (1) Application Number Title Priority Date Filing Date AU94040/98A Abandoned AU9404098A (en) 1997-09-23 1998-09-23 Scalable and embedded codec for speech and audio signals Country Status (2) Cited By (2) * Cited by examiner, â Cited by third party Publication number Priority date Publication date Assignee Title US11810545B2 (en) 2011-05-20 2023-11-07 Vocollect, Inc. Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environment US11837253B2 (en) 2016-07-27 2023-12-05 Vocollect, Inc. Distinguishing user speech from background speech in speech-dense environments Families Citing this family (22) * Cited by examiner, â Cited by third party Publication number Priority date Publication date Assignee Title US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement DE60000185T2 (en) * 2000-05-26 2002-11-28 Lucent Technologies Inc., Murray Hill Method and device for audio coding and decoding by interleaving smoothed envelopes of critical bands of higher frequencies WO2002056300A1 (en) * 2001-01-16 2002-07-18 Koninklijke Philips Electronics N.V. Parametric encoder and method for encoding an audio or speech signal US7937272B2 (en) 2005-01-11 2011-05-03 Koninklijke Philips Electronics N.V. Scalable encoding/decoding of audio signals CN101821800B (en) 2007-10-12 2012-09-26 æ¾ä¸çµå¨äº§ä¸æ ªå¼ä¼ç¤¾ Vector quantizer, vector inverse quantizer, and the methods US8050932B2 (en) * 2008-02-20 2011-11-01 Research In Motion Limited Apparatus, and associated method, for selecting speech COder operational rates WO2010092827A1 (en) 2009-02-13 2010-08-19 ããã½ããã¯æ ªå¼ä¼ç¤¾ Vector quantization device, vector inverse-quantization device, and methods of same EP2702764B1 (en) 2011-04-25 2016-08-31 Dolby Laboratories Licensing Corporation Non-linear vdr residual quantizer WO2013107516A1 (en) 2012-01-20 2013-07-25 Phonak Ag Wireless sound transmission and method US10531099B2 (en) * 2016-09-30 2020-01-07 The Mitre Corporation Systems and methods for distributed quantization of multimodal images CN108074588B (en) * 2016-11-15 2020-12-01 åäº¬å±å§ç§æè¡ä»½æéå¬å¸ Pitch calculation method and pitch calculation device EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Temporal noise shaping EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Signal filtering EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders WO2019091573A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur FÃ¶rderung der angewandten Forschung e.V. Selecting pitch lag CN110503661A (en) * 2018-05-16 2019-11-26 æ¦æ±æºäºæè¾¾ä¿¡æ¯ææ¯æéå¬å¸ A kind of target image method for tracing based on deeply study and space-time context CN111613241B (en) * 2020-05-22 2023-03-24 å¦é¨çå·¥å¦é¢ High-precision high-stability stringed instrument fundamental wave frequency detection method CN117558288B (en) * 2023-11-13 2024-10-15 å¹¿å·å¤§å¦ Training method, device, equipment and storage medium of single-channel voice enhancement model Family Cites Families (6) * Cited by examiner, â Cited by third party Publication number Priority date Publication date Assignee Title US4622680A (en) * 1984-10-17 1986-11-11 General Electric Company Hybrid subband coder/decoder method and apparatus US4924480A (en) * 1988-03-11 1990-05-08 American Telephone And Telegraph Company Codecs with suppression of multiple encoding/decodings across a connection EP0464839B1 (en) * 1990-07-05 2000-09-27 Fujitsu Limited Digitally multiplexed transmission system AU653582B2 (en) * 1991-01-08 1994-10-06 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields US5253326A (en) * 1991-11-26 1993-10-12 Codex Corporation Prioritization method and device for speech frames coded by a linear predictive coder JP3475446B2 (en) * 1993-07-27 2003-12-08 ã½ãã¼æ ªå¼ä¼ç¤¾ Encoding method

1998
- 1998-09-23 AU AU94040/98A patent/AU9404098A/en not_active Abandoned
- 1998-09-23 WO PCT/US1998/019858 patent/WO1999016050A1/en active Application Filing

Cited By (3) * Cited by examiner, â Cited by third party Publication number Priority date Publication date Assignee Title US11810545B2 (en) 2011-05-20 2023-11-07 Vocollect, Inc. Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environment US11817078B2 (en) 2011-05-20 2023-11-14 Vocollect, Inc. Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environment US11837253B2 (en) 2016-07-27 2023-12-05 Vocollect, Inc. Distinguishing user speech from background speech in speech-dense environments Also Published As Similar Documents Legal Events Date Code Title Description 2000-06-08 MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase

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