FI980502A - Puhekoodaus - Google Patents
Puhekoodaus Download PDFInfo
- Publication number
- FI980502A FI980502A FI980502A FI980502A FI980502A FI 980502 A FI980502 A FI 980502A FI 980502 A FI980502 A FI 980502A FI 980502 A FI980502 A FI 980502A FI 980502 A FI980502 A FI 980502A
- Authority
- FI
- Finland
- Prior art keywords
- frame
- pitch
- autocorrelation function
- lag parameter
- ltp
- Prior art date
Links
- 238000005311 autocorrelation function Methods 0.000 abstract 3
- 230000001934 delay Effects 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 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
- G10L19/08—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
- 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 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
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- 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
- G10L25/03—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980502A FI113903B (fi) | 1997-05-07 | 1998-03-05 | Puheen koodaus |
KR1019997009481A KR100653932B1 (ko) | 1997-05-07 | 1998-03-13 | 음성부호화 방법, 음성부호화 장치와 그를 포함하는 이동통신기기 및 그를 포함하는 셀 방식 전화네트워크 |
CN98804901A CN1120471C (zh) | 1997-05-07 | 1998-03-13 | 语音编码 |
AU64032/98A AU739238B2 (en) | 1997-05-07 | 1998-03-13 | Speech coding |
PCT/FI1998/000229 WO1998050910A1 (en) | 1997-05-07 | 1998-03-13 | Speech coding |
KR1020047005340A KR100653926B1 (ko) | 1997-05-07 | 1998-03-13 | 음성부호화 방법, 음성부호화 장치와 그를 포함하는 이동통신기기 및 그를 포함하는 셀 방식 전화네트워크 |
EP98104785A EP0877355B1 (en) | 1997-05-07 | 1998-03-17 | Speech coding |
ES98104785T ES2198615T3 (es) | 1997-05-07 | 1998-03-17 | Codificacion de señales de voz. |
DE69814517T DE69814517T2 (de) | 1997-05-07 | 1998-03-17 | Sprachkodierung |
JP10113808A JPH1124699A (ja) | 1997-05-07 | 1998-04-23 | 音声符号化方法及び装置 |
US09/073,697 US6199035B1 (en) | 1997-05-07 | 1998-05-06 | Pitch-lag estimation in speech coding |
JP2003350824A JP2004038211A (ja) | 1997-05-07 | 2003-10-09 | 音声符号化方法及び装置 |
JP2009101116A JP4866438B2 (ja) | 1997-05-07 | 2009-04-17 | 音声符号化方法及び装置 |
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 (3)
Publication Number | Publication Date |
---|---|
FI980502A0 FI980502A0 (fi) | 1998-03-05 |
FI980502A true FI980502A (fi) | 1998-11-08 |
FI113903B FI113903B (fi) | 2004-06-30 |
Family
ID=26160386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI980502A FI113903B (fi) | 1997-05-07 | 1998-03-05 | Puheen koodaus |
Country Status (10)
Country | Link |
---|---|
US (1) | US6199035B1 (fi) |
EP (1) | EP0877355B1 (fi) |
JP (3) | JPH1124699A (fi) |
KR (2) | KR100653926B1 (fi) |
CN (1) | CN1120471C (fi) |
AU (1) | AU739238B2 (fi) |
DE (1) | DE69814517T2 (fi) |
ES (1) | ES2198615T3 (fi) |
FI (1) | FI113903B (fi) |
WO (1) | WO1998050910A1 (fi) |
Families Citing this family (58)
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 |
US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
US6507814B1 (en) | 1998-08-24 | 2003-01-14 | Conexant Systems, Inc. | Pitch determination using speech classification and prior pitch estimation |
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 |
US6782360B1 (en) * | 1999-09-22 | 2004-08-24 | Mindspeed Technologies, Inc. | Gain quantization for a CELP speech coder |
US6959274B1 (en) | 1999-09-22 | 2005-10-25 | Mindspeed Technologies, Inc. | Fixed rate speech compression system and method |
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 |
US8073689B2 (en) | 2003-02-21 | 2011-12-06 | Qnx Software Systems Co. | 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 |
US7895036B2 (en) * | 2003-02-21 | 2011-02-22 | Qnx Software Systems Co. | System for suppressing wind noise |
US7885420B2 (en) * | 2003-02-21 | 2011-02-08 | Qnx Software Systems Co. | Wind noise suppression system |
US8271279B2 (en) | 2003-02-21 | 2012-09-18 | Qnx Software Systems Limited | Signature noise removal |
US8326621B2 (en) | 2003-02-21 | 2012-12-04 | Qnx Software Systems Limited | Repetitive transient noise removal |
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 |
US8306821B2 (en) * | 2004-10-26 | 2012-11-06 | Qnx Software Systems Limited | Sub-band periodic signal enhancement system |
US7716046B2 (en) * | 2004-10-26 | 2010-05-11 | Qnx Software Systems (Wavemakers), Inc. | Advanced periodic signal enhancement |
US7680652B2 (en) | 2004-10-26 | 2010-03-16 | Qnx Software Systems (Wavemakers), Inc. | Periodic signal enhancement system |
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 |
US7949520B2 (en) | 2004-10-26 | 2011-05-24 | QNX Software Sytems Co. | Adaptive filter pitch extraction |
US7610196B2 (en) * | 2004-10-26 | 2009-10-27 | Qnx Software Systems (Wavemakers), Inc. | 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 |
ATE475170T1 (de) * | 2006-03-20 | 2010-08-15 | Mindspeed Tech 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 |
US8326620B2 (en) | 2008-04-30 | 2012-12-04 | Qnx Software Systems Limited | Robust downlink speech and noise detector |
US8335685B2 (en) * | 2006-12-22 | 2012-12-18 | Qnx Software Systems Limited | Ambient noise compensation system robust to high excitation noise |
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 |
GB2466671B (en) | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
GB2466670B (en) | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
GB2466675B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466669B (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 |
WO2010091554A1 (zh) * | 2009-02-13 | 2010-08-19 | 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 |
US9437213B2 (en) | 2012-03-05 | 2016-09-06 | Malaspina Labs (Barbados) Inc. | Voice signal enhancement |
US9020818B2 (en) * | 2012-03-05 | 2015-04-28 | Malaspina Labs (Barbados) Inc. | Format based speech reconstruction from noisy signals |
US9123328B2 (en) * | 2012-09-26 | 2015-09-01 | Google Technology Holdings LLC | Apparatus and method for audio frame loss recovery |
ES2760934T3 (es) * | 2013-07-18 | 2020-05-18 | Nippon Telegraph & Telephone | Dispositivo, método, programa y medio de almacenamiento de análisis de predicción lineal |
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)
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 |
US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
FI98163C (fi) | 1994-02-08 | 1997-04-25 | Nokia Mobile Phones Ltd | Koodausjärjestelmä parametriseen puheenkoodaukseen |
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 |
-
1998
- 1998-03-05 FI FI980502A patent/FI113903B/fi not_active IP Right Cessation
- 1998-03-13 KR KR1020047005340A patent/KR100653926B1/ko not_active IP Right Cessation
- 1998-03-13 WO PCT/FI1998/000229 patent/WO1998050910A1/en not_active Application Discontinuation
- 1998-03-13 AU AU64032/98A patent/AU739238B2/en not_active Expired
- 1998-03-13 KR KR1019997009481A patent/KR100653932B1/ko not_active IP Right Cessation
- 1998-03-13 CN CN98804901A patent/CN1120471C/zh not_active Expired - Lifetime
- 1998-03-17 EP EP98104785A patent/EP0877355B1/en not_active Expired - Lifetime
- 1998-03-17 DE DE69814517T patent/DE69814517T2/de not_active Expired - Lifetime
- 1998-03-17 ES ES98104785T patent/ES2198615T3/es not_active Expired - Lifetime
- 1998-04-23 JP JP10113808A patent/JPH1124699A/ja not_active Withdrawn
- 1998-05-06 US US09/073,697 patent/US6199035B1/en not_active Expired - Lifetime
-
2003
- 2003-10-09 JP JP2003350824A patent/JP2004038211A/ja active Pending
-
2009
- 2009-04-17 JP JP2009101116A patent/JP4866438B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100653926B1 (ko) | 2006-12-05 |
FI980502A0 (fi) | 1998-03-05 |
ES2198615T3 (es) | 2004-02-01 |
KR100653932B1 (ko) | 2006-12-04 |
KR20010006394A (ko) | 2001-01-26 |
AU739238B2 (en) | 2001-10-04 |
US6199035B1 (en) | 2001-03-06 |
FI113903B (fi) | 2004-06-30 |
JP2004038211A (ja) | 2004-02-05 |
JP4866438B2 (ja) | 2012-02-01 |
DE69814517D1 (de) | 2003-06-18 |
EP0877355A2 (en) | 1998-11-11 |
AU6403298A (en) | 1998-11-27 |
CN1120471C (zh) | 2003-09-03 |
CN1255226A (zh) | 2000-05-31 |
JP2009223326A (ja) | 2009-10-01 |
WO1998050910A1 (en) | 1998-11-12 |
JPH1124699A (ja) | 1999-01-29 |
EP0877355A3 (en) | 1999-06-16 |
DE69814517T2 (de) | 2004-04-08 |
KR20040037265A (ko) | 2004-05-04 |
EP0877355B1 (en) | 2003-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer of assignment of patent |
Owner name: NOKIA TECHNOLOGIES OY |
|
MA | Patent expired |