DE69814517D1 - Sprachkodierung - Google Patents

Sprachkodierung

Info

Publication number
DE69814517D1
DE69814517D1 DE69814517T DE69814517T DE69814517D1 DE 69814517 D1 DE69814517 D1 DE 69814517D1 DE 69814517 T DE69814517 T DE 69814517T DE 69814517 T DE69814517 T DE 69814517T DE 69814517 D1 DE69814517 D1 DE 69814517D1
Authority
DE
Germany
Prior art keywords
speech coding
speech
coding
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
DE69814517T
Other languages
English (en)
Other versions
DE69814517T2 (de
Inventor
Ari Lakaniemi
Janne Vainio
Pasi Ojala
Petri Haavisto
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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
Priority claimed from FI971976A external-priority patent/FI971976A/fi
Application filed by Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69814517D1 publication Critical patent/DE69814517D1/de
Publication of DE69814517T2 publication Critical patent/DE69814517T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G10L19/08—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 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/15—Correlation function computation including computation of convolution operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
DE69814517T 1997-05-07 1998-03-17 Sprachkodierung Expired - Lifetime DE69814517T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI971976 1997-05-07
FI971976A FI971976A (fi) 1997-05-07 1997-05-07 Puhekoodaus
FI980502 1998-03-05
FI980502A FI113903B (fi) 1997-05-07 1998-03-05 Puheen koodaus

Publications (2)

Publication Number Publication Date
DE69814517D1 true DE69814517D1 (de) 2003-06-18
DE69814517T2 DE69814517T2 (de) 2004-04-08

Family

ID=26160386

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69814517T Expired - Lifetime DE69814517T2 (de) 1997-05-07 1998-03-17 Sprachkodierung

Country Status (10)

Country Link
US (1) US6199035B1 (de)
EP (1) EP0877355B1 (de)
JP (3) JPH1124699A (de)
KR (2) KR100653926B1 (de)
CN (1) CN1120471C (de)
AU (1) AU739238B2 (de)
DE (1) DE69814517T2 (de)
ES (1) ES2198615T3 (de)
FI (1) FI113903B (de)
WO (1) WO1998050910A1 (de)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6415252B1 (en) * 1998-05-28 2002-07-02 Motorola, Inc. Method and apparatus for coding and decoding speech
US6507814B1 (en) * 1998-08-24 2003-01-14 Conexant Systems, Inc. Pitch determination using speech classification and prior pitch estimation
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
JP3180786B2 (ja) * 1998-11-27 2001-06-25 日本電気株式会社 音声符号化方法及び音声符号化装置
US7117149B1 (en) * 1999-08-30 2006-10-03 Harman Becker Automotive Systems-Wavemakers, Inc. Sound source classification
US6959274B1 (en) 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US7124075B2 (en) * 2001-10-26 2006-10-17 Dmitry Edward Terez Methods and apparatus for pitch determination
KR100463417B1 (ko) * 2002-10-10 2004-12-23 한국전자통신연구원 상관함수의 최대값과 그의 후보값의 비를 이용한 피치검출 방법 및 그 장치
US8271279B2 (en) 2003-02-21 2012-09-18 Qnx Software Systems Limited Signature noise removal
US7895036B2 (en) * 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US7725315B2 (en) * 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
US8073689B2 (en) 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US7885420B2 (en) * 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
TWI241557B (en) * 2003-07-21 2005-10-11 Ali Corp Method for estimating a pitch estimation of the speech signals
JP4490090B2 (ja) 2003-12-25 2010-06-23 株式会社エヌ・ティ・ティ・ドコモ 有音無音判定装置および有音無音判定方法
US8543390B2 (en) * 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US8170879B2 (en) * 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7716046B2 (en) * 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US7610196B2 (en) * 2004-10-26 2009-10-27 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7949520B2 (en) * 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US8306821B2 (en) * 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US8284947B2 (en) * 2004-12-01 2012-10-09 Qnx Software Systems Limited Reverberation estimation and suppression system
US7933767B2 (en) * 2004-12-27 2011-04-26 Nokia Corporation Systems and methods for determining pitch lag for a current frame of information
US7386445B2 (en) * 2005-01-18 2008-06-10 Nokia Corporation Compensation of transient effects in transform coding
US8027833B2 (en) * 2005-05-09 2011-09-27 Qnx Software Systems Co. System for suppressing passing tire hiss
US8311819B2 (en) * 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
US8170875B2 (en) 2005-06-15 2012-05-01 Qnx Software Systems Limited Speech end-pointer
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
EP2228789B1 (de) * 2006-03-20 2012-07-25 Mindspeed Technologies, Inc. Tonhöhen-Track-Glättung in offener Schleife
US7844453B2 (en) 2006-05-12 2010-11-30 Qnx Software Systems Co. Robust noise estimation
US8010350B2 (en) * 2006-08-03 2011-08-30 Broadcom Corporation Decimated bisectional pitch refinement
US7752038B2 (en) * 2006-10-13 2010-07-06 Nokia Corporation Pitch lag estimation
US8335685B2 (en) 2006-12-22 2012-12-18 Qnx Software Systems Limited Ambient noise compensation system robust to high excitation noise
US8326620B2 (en) 2008-04-30 2012-12-04 Qnx Software Systems Limited Robust downlink speech and noise detector
US8386246B2 (en) * 2007-06-27 2013-02-26 Broadcom Corporation Low-complexity frame erasure concealment
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) * 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) * 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466672B (en) 2009-01-06 2013-03-13 Skype Speech coding
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466670B (en) 2009-01-06 2012-11-14 Skype Speech encoding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
CN102016530B (zh) * 2009-02-13 2012-11-14 华为技术有限公司 一种基音周期检测方法和装置
US8452606B2 (en) 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
US9384759B2 (en) 2012-03-05 2016-07-05 Malaspina Labs (Barbados) Inc. Voice activity detection and pitch estimation
US9020818B2 (en) 2012-03-05 2015-04-28 Malaspina Labs (Barbados) Inc. Format based speech reconstruction from noisy signals
US9437213B2 (en) 2012-03-05 2016-09-06 Malaspina Labs (Barbados) Inc. Voice signal enhancement
US9123328B2 (en) * 2012-09-26 2015-09-01 Google Technology Holdings LLC Apparatus and method for audio frame loss recovery
EP3399522B1 (de) * 2013-07-18 2019-09-11 Nippon Telegraph and Telephone Corporation Vorrichtung zur analyse einer linearen vorhersage, verfahren, programm und speichermedium
ES2819032T3 (es) 2013-12-19 2021-04-14 Ericsson Telefon Ab L M Estimación de ruido de fondo en señales de audio

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486900A (en) 1982-03-30 1984-12-04 At&T Bell Laboratories Real time pitch detection by stream processing
JP2585214B2 (ja) * 1986-02-21 1997-02-26 株式会社日立製作所 ピッチ抽出方法
US4969192A (en) 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
JPH04264600A (ja) * 1991-02-20 1992-09-21 Fujitsu Ltd 音声符号化装置および音声復号装置
US5179594A (en) * 1991-06-12 1993-01-12 Motorola, Inc. Efficient calculation of autocorrelation coefficients for CELP vocoder adaptive codebook
US5339384A (en) * 1992-02-18 1994-08-16 At&T Bell Laboratories Code-excited linear predictive coding with low delay for speech or audio signals
FI95085C (fi) 1992-05-11 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
FI91345C (fi) 1992-06-24 1994-06-10 Nokia Mobile Phones Ltd Menetelmä kanavanvaihdon tehostamiseksi
CA2102080C (en) * 1992-12-14 1998-07-28 Willem Bastiaan Kleijn Time shifting for generalized analysis-by-synthesis coding
IT1270438B (it) * 1993-06-10 1997-05-05 Sip Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce
JP3321933B2 (ja) * 1993-10-19 2002-09-09 ソニー株式会社 ピッチ検出方法
FI98163C (fi) 1994-02-08 1997-04-25 Nokia Mobile Phones Ltd Koodausjärjestelmä parametriseen puheenkoodaukseen
US5517595A (en) * 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
JP3418005B2 (ja) * 1994-08-04 2003-06-16 富士通株式会社 音声ピッチ検出装置
US5781880A (en) * 1994-11-21 1998-07-14 Rockwell International Corporation Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual
US5664053A (en) 1995-04-03 1997-09-02 Universite De Sherbrooke Predictive split-matrix quantization of spectral parameters for efficient coding of speech
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures

Also Published As

Publication number Publication date
AU739238B2 (en) 2001-10-04
WO1998050910A1 (en) 1998-11-12
EP0877355A3 (de) 1999-06-16
KR100653926B1 (ko) 2006-12-05
JP2009223326A (ja) 2009-10-01
CN1255226A (zh) 2000-05-31
EP0877355B1 (de) 2003-05-14
KR100653932B1 (ko) 2006-12-04
US6199035B1 (en) 2001-03-06
CN1120471C (zh) 2003-09-03
DE69814517T2 (de) 2004-04-08
AU6403298A (en) 1998-11-27
FI113903B (fi) 2004-06-30
EP0877355A2 (de) 1998-11-11
ES2198615T3 (es) 2004-02-01
KR20040037265A (ko) 2004-05-04
KR20010006394A (ko) 2001-01-26
FI980502A (fi) 1998-11-08
JPH1124699A (ja) 1999-01-29
JP4866438B2 (ja) 2012-02-01
JP2004038211A (ja) 2004-02-05
FI980502A0 (fi) 1998-03-05

Similar Documents

Publication Publication Date Title
DE69814517D1 (de) Sprachkodierung
DE69721349D1 (de) Sprachkodierung
DE69815650D1 (de) Sprachkodierer
DE69804121D1 (de) Sprachkodierung
DE69900786D1 (de) Sprachkodierung
DE69801659T2 (de) Kodierungssysteme
DE69718234D1 (de) Sprachkodierer
DK33698A (da) Adaptiv kodningsfremgangsmåde
DE69524321D1 (de) Spracherkenner
DE69524890T2 (de) Parametrische Sprachkodierung
NO20001494L (no) Overligger
DE69623164D1 (de) 5B4T Kodierungsschema
DE69702261D1 (de) Sprachkodierung
DE69812311D1 (de) Lauflängenkodierung
DE69935233D1 (de) Sprachkodierung
DE69826364D1 (de) Kodierer
DE69823458D1 (de) Mehrband-Sprachdecoder
DE59701251D1 (de) Brüstungsleiste
DE69524002D1 (de) Sprachkodierer
FI960522A0 (fi) Integroitu puheenkoodaus
DE69826755D1 (de) Sprachsignalkodierer
DE29719899U1 (de) Notarztkoffer
NO20002307L (no) Dragebrønn
DE69814326D1 (de) Kodierung von mausbefehlen
FI971976A (fi) Puhekoodaus

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN