DE69730779D1 - Verbesserungen bei oder in Bezug auf Sprachkodierung - Google Patents

Verbesserungen bei oder in Bezug auf Sprachkodierung

Info

Publication number
DE69730779D1
DE69730779D1 DE69730779T DE69730779T DE69730779D1 DE 69730779 D1 DE69730779 D1 DE 69730779D1 DE 69730779 T DE69730779 T DE 69730779T DE 69730779 T DE69730779 T DE 69730779T DE 69730779 D1 DE69730779 D1 DE 69730779D1
Authority
DE
Germany
Prior art keywords
speech coding
regarding speech
regarding
coding
speech
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.)
Expired - Lifetime
Application number
DE69730779T
Other languages
English (en)
Other versions
DE69730779T2 (de
Inventor
Alan V Mccree
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE69730779D1 publication Critical patent/DE69730779D1/de
Publication of DE69730779T2 publication Critical patent/DE69730779T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/26—Pre-filtering or post-filtering

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE69730779T 1996-06-19 1997-06-11 Verbesserungen bei oder in Bezug auf Sprachkodierung Expired - Lifetime DE69730779T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2033796P 1996-06-19 1996-06-19
US20337P 1996-06-19

Publications (2)

Publication Number Publication Date
DE69730779D1 true DE69730779D1 (de) 2004-10-28
DE69730779T2 DE69730779T2 (de) 2005-02-10

Family

ID=21798075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730779T Expired - Lifetime DE69730779T2 (de) 1996-06-19 1997-06-11 Verbesserungen bei oder in Bezug auf Sprachkodierung

Country Status (6)

Country Link
US (1) US5966689A (de)
EP (1) EP0814458B1 (de)
JP (1) JPH1145100A (de)
KR (1) KR100421160B1 (de)
DE (1) DE69730779T2 (de)
TW (1) TW416044B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW376611B (en) * 1998-05-26 1999-12-11 Koninkl Philips Electronics Nv Transmission system with improved speech encoder
EP0998166A1 (de) * 1998-10-30 2000-05-03 Koninklijke Philips Electronics N.V. Anordnung zur Verarbeitung von Audiosignalen, Empfänger und Verfahren zum Filtern und Wiedergabe eines Nutzsignals in Gegenwart von Umgebungsgeräusche
US7295974B1 (en) * 1999-03-12 2007-11-13 Texas Instruments Incorporated Encoding in speech compression
JP2001175298A (ja) * 1999-12-13 2001-06-29 Fujitsu Ltd 騒音抑圧装置
US6529867B2 (en) * 2000-09-15 2003-03-04 Conexant Systems, Inc. Injecting high frequency noise into pulse excitation for low bit rate CELP
US7133823B2 (en) * 2000-09-15 2006-11-07 Mindspeed Technologies, Inc. System for an adaptive excitation pattern for speech coding
EP1199812A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Kodierung der akustischen Signale mit Verbesserung der Wahrnehmung
US7139711B2 (en) * 2000-11-22 2006-11-21 Defense Group Inc. Noise filtering utilizing non-Gaussian signal statistics
US20020128839A1 (en) * 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
SE521693C3 (sv) * 2001-03-30 2004-02-04 Ericsson Telefon Ab L M En metod och anordning för brusundertryckning
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
US7272555B2 (en) * 2001-09-13 2007-09-18 Industrial Technology Research Institute Fine granularity scalability speech coding for multi-pulses CELP-based algorithm
US7103541B2 (en) * 2002-06-27 2006-09-05 Microsoft Corporation Microphone array signal enhancement using mixture models
KR100630112B1 (ko) * 2002-07-09 2006-09-27 삼성전자주식회사 이동통신시스템의 적응형 채널 추정장치 및 방법
US20050071154A1 (en) * 2003-09-30 2005-03-31 Walter Etter Method and apparatus for estimating noise in speech signals
MX2007012187A (es) * 2005-04-01 2007-12-11 Qualcomm Inc Sistemas, metodos y aparatos para deformacion en tiempo de banda alta.
TWI324336B (en) * 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
KR101565919B1 (ko) 2006-11-17 2015-11-05 삼성전자주식회사 고주파수 신호 부호화 및 복호화 방법 및 장치
US20080120098A1 (en) * 2006-11-21 2008-05-22 Nokia Corporation Complexity Adjustment for a Signal Encoder
US20080249767A1 (en) * 2007-04-05 2008-10-09 Ali Erdem Ertan Method and system for reducing frame erasure related error propagation in predictive speech parameter coding
KR101597375B1 (ko) 2007-12-21 2016-02-24 디티에스 엘엘씨 오디오 신호의 인지된 음량을 조절하기 위한 시스템
US8842846B2 (en) * 2009-03-18 2014-09-23 Texas Instruments Incorporated Method and apparatus for polarity detection of loudspeaker
EP2246845A1 (de) * 2009-04-21 2010-11-03 Siemens Medical Instruments Pte. Ltd. Verfahren und akustische Signalverarbeitungsvorrichtung zur Schätzung von linearen prädiktiven Kodierungskoeffizienten
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
WO2011026247A1 (en) * 2009-09-04 2011-03-10 Svox Ag Speech enhancement techniques on the power spectrum
US8204742B2 (en) * 2009-09-14 2012-06-19 Srs Labs, Inc. System for processing an audio signal to enhance speech intelligibility
SG10201604880YA (en) * 2010-07-02 2016-08-30 Dolby Int Ab Selective bass post filter
US20120143604A1 (en) * 2010-12-07 2012-06-07 Rita Singh Method for Restoring Spectral Components in Denoised Speech Signals
KR102060208B1 (ko) 2011-07-29 2019-12-27 디티에스 엘엘씨 적응적 음성 명료도 처리기
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3702215A1 (de) * 1987-01-26 1988-08-04 Ant Nachrichtentech Uebertragungsanordnung fuer digitale signale
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
US5408529A (en) * 1993-06-02 1995-04-18 Motorola, Inc. Dual tone detector operable in the presence of speech or background noise and method therefor

Also Published As

Publication number Publication date
JPH1145100A (ja) 1999-02-16
US5966689A (en) 1999-10-12
TW416044B (en) 2000-12-21
DE69730779T2 (de) 2005-02-10
EP0814458A3 (de) 1998-09-23
EP0814458B1 (de) 2004-09-22
KR980006936A (ko) 1998-03-30
EP0814458A2 (de) 1997-12-29
KR100421160B1 (ko) 2004-05-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition