FI113903B - Puheen koodaus - Google Patents

Puheen koodaus Download PDF

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Publication number
FI113903B
FI113903B FI980502A FI980502A FI113903B FI 113903 B FI113903 B FI 113903B FI 980502 A FI980502 A FI 980502A FI 980502 A FI980502 A FI 980502A FI 113903 B FI113903 B FI 113903B
Authority
FI
Finland
Prior art keywords
frame
delay
frames
weighting
prediction
Prior art date
Application number
FI980502A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI980502A (fi
FI980502A0 (fi
Inventor
Petri Haavisto
Pasi Ojala
Janne Vainio
Ari Lakaniemi
Original Assignee
Nokia Corp
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
Publication of FI980502A0 publication Critical patent/FI980502A0/fi
Priority to FI980502A priority Critical patent/FI113903B/fi
Application filed by Nokia Corp filed Critical Nokia Corp
Priority to KR1019997009481A priority patent/KR100653932B1/ko
Priority to CN98804901A priority patent/CN1120471C/zh
Priority to AU64032/98A priority patent/AU739238B2/en
Priority to PCT/FI1998/000229 priority patent/WO1998050910A1/fr
Priority to KR1020047005340A priority patent/KR100653926B1/ko
Priority to EP98104785A priority patent/EP0877355B1/fr
Priority to DE69814517T priority patent/DE69814517T2/de
Priority to ES98104785T priority patent/ES2198615T3/es
Priority to JP10113808A priority patent/JPH1124699A/ja
Priority to US09/073,697 priority patent/US6199035B1/en
Publication of FI980502A publication Critical patent/FI980502A/fi
Priority to JP2003350824A priority patent/JP2004038211A/ja
Publication of FI113903B publication Critical patent/FI113903B/fi
Application granted granted Critical
Priority to JP2009101116A priority patent/JP4866438B2/ja

Links

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)
FI980502A 1997-05-07 1998-03-05 Puheen koodaus FI113903B (fi)

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 (fr) 1997-05-07 1998-03-13 Codage de la parole
KR1020047005340A KR100653926B1 (ko) 1997-05-07 1998-03-13 음성부호화 방법, 음성부호화 장치와 그를 포함하는 이동통신기기 및 그를 포함하는 셀 방식 전화네트워크
EP98104785A EP0877355B1 (fr) 1997-05-07 1998-03-17 Codage de la parole
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 FI980502A (fi) 1998-11-08
FI113903B true 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 (fr)
EP (1) EP0877355B1 (fr)
JP (3) JPH1124699A (fr)
KR (2) KR100653926B1 (fr)
CN (1) CN1120471C (fr)
AU (1) AU739238B2 (fr)
DE (1) DE69814517T2 (fr)
ES (1) ES2198615T3 (fr)
FI (1) FI113903B (fr)
WO (1) WO1998050910A1 (fr)

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US8073689B2 (en) 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
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US7895036B2 (en) * 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
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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
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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
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Also Published As

Publication number Publication date
KR100653926B1 (ko) 2006-12-05
FI980502A (fi) 1998-11-08
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
JP2004038211A (ja) 2004-02-05
JP4866438B2 (ja) 2012-02-01
DE69814517D1 (de) 2003-06-18
EP0877355A2 (fr) 1998-11-11
AU6403298A (en) 1998-11-27
CN1120471C (zh) 2003-09-03
CN1255226A (zh) 2000-05-31
JP2009223326A (ja) 2009-10-01
WO1998050910A1 (fr) 1998-11-12
JPH1124699A (ja) 1999-01-29
EP0877355A3 (fr) 1999-06-16
DE69814517T2 (de) 2004-04-08
KR20040037265A (ko) 2004-05-04
EP0877355B1 (fr) 2003-05-14

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