KR100754591B1 - 음성 코더에서 목표 비트율을 유지하는 방법 및 장치 - Google Patents

음성 코더에서 목표 비트율을 유지하는 방법 및 장치 Download PDF

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Publication number
KR100754591B1
KR100754591B1 KR1020027000693A KR20027000693A KR100754591B1 KR 100754591 B1 KR100754591 B1 KR 100754591B1 KR 1020027000693 A KR1020027000693 A KR 1020027000693A KR 20027000693 A KR20027000693 A KR 20027000693A KR 100754591 B1 KR100754591 B1 KR 100754591B1
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South Korea
Prior art keywords
performance threshold
voice coder
occurrences
voice
frame
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KR1020027000693A
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English (en)
Korean (ko)
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KR20020013963A (ko
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사라쓰 만주나쓰
앤드류 피. 데자코
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콸콤 인코포레이티드
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    • 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
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Detection And Correction Of Errors (AREA)
KR1020027000693A 1999-07-19 2000-07-19 음성 코더에서 목표 비트율을 유지하는 방법 및 장치 Expired - Fee Related KR100754591B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/356,493 1999-07-19
US09/356,493 US6330532B1 (en) 1999-07-19 1999-07-19 Method and apparatus for maintaining a target bit rate in a speech coder

Publications (2)

Publication Number Publication Date
KR20020013963A KR20020013963A (ko) 2002-02-21
KR100754591B1 true KR100754591B1 (ko) 2007-09-05

Family

ID=23401670

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020027000693A Expired - Fee Related KR100754591B1 (ko) 1999-07-19 2000-07-19 음성 코더에서 목표 비트율을 유지하는 방법 및 장치

Country Status (12)

Country Link
US (1) US6330532B1 (enExample)
EP (1) EP1214705B1 (enExample)
JP (1) JP4782332B2 (enExample)
KR (1) KR100754591B1 (enExample)
CN (1) CN1161749C (enExample)
AT (1) ATE288122T1 (enExample)
AU (1) AU6112000A (enExample)
BR (1) BR0012538A (enExample)
DE (1) DE60017763T2 (enExample)
ES (1) ES2240121T3 (enExample)
HK (1) HK1045397B (enExample)
WO (1) WO2001006490A1 (enExample)

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US6456964B2 (en) * 1998-12-21 2002-09-24 Qualcomm, Incorporated Encoding of periodic speech using prototype waveforms
AU4201100A (en) * 1999-04-05 2000-10-23 Hughes Electronics Corporation Spectral phase modeling of the prototype waveform components for a frequency domain interpolative speech codec system
US6954727B1 (en) * 1999-05-28 2005-10-11 Koninklijke Philips Electronics N.V. Reducing artifact generation in a vocoder
US6658112B1 (en) * 1999-08-06 2003-12-02 General Dynamics Decision Systems, Inc. Voice decoder and method for detecting channel errors using spectral energy evolution
AU2002213447A1 (en) * 2000-11-30 2002-06-11 Arraycomm Llc Training sequence for a radio communications system
US8090577B2 (en) 2002-08-08 2012-01-03 Qualcomm Incorported Bandwidth-adaptive quantization
GB0321093D0 (en) * 2003-09-09 2003-10-08 Nokia Corp Multi-rate coding
US7483701B2 (en) * 2005-02-11 2009-01-27 Cisco Technology, Inc. System and method for handling media in a seamless handoff environment
US7634413B1 (en) * 2005-02-25 2009-12-15 Apple Inc. Bitrate constrained variable bitrate audio encoding
US8346544B2 (en) * 2006-01-20 2013-01-01 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with closed loop re-decision
US8032369B2 (en) * 2006-01-20 2011-10-04 Qualcomm Incorporated Arbitrary average data rates for variable rate coders
US8090573B2 (en) * 2006-01-20 2012-01-03 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with open loop re-decision
US8532984B2 (en) 2006-07-31 2013-09-10 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of active frames
US8725499B2 (en) * 2006-07-31 2014-05-13 Qualcomm Incorporated Systems, methods, and apparatus for signal change detection
US8260609B2 (en) 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
US8780717B2 (en) * 2006-09-21 2014-07-15 General Instrument Corporation Video quality of service management and constrained fidelity constant bit rate video encoding systems and method
EP1918909B1 (en) * 2006-11-03 2010-07-07 Psytechnics Ltd Sampling error compensation
US8279889B2 (en) * 2007-01-04 2012-10-02 Qualcomm Incorporated Systems and methods for dimming a first packet associated with a first bit rate to a second packet associated with a second bit rate
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
US8483854B2 (en) * 2008-01-28 2013-07-09 Qualcomm Incorporated Systems, methods, and apparatus for context processing using multiple microphones
FR2944640A1 (fr) * 2009-04-17 2010-10-22 France Telecom Procede et dispositif d'evaluation objective de la qualite vocale d'un signal de parole prenant en compte la classification du bruit de fond contenu dans le signal.
KR20110001130A (ko) * 2009-06-29 2011-01-06 삼성전자주식회사 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
US9263054B2 (en) * 2013-02-21 2016-02-16 Qualcomm Incorporated Systems and methods for controlling an average encoding rate for speech signal encoding
US9437205B2 (en) * 2013-05-10 2016-09-06 Tencent Technology (Shenzhen) Company Limited Method, application, and device for audio signal transmission
US9953661B2 (en) * 2014-09-26 2018-04-24 Cirrus Logic Inc. Neural network voice activity detection employing running range normalization
EP3891728B1 (en) * 2019-09-03 2025-05-14 Google LLC Using corrections, of predicted textual segments of spoken utterances, for training of on-device speech recognition model

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EP0725384A2 (en) * 1988-05-26 1996-08-07 Pacific Communication Sciences, Inc. Adaptive transform coding
WO1998045833A1 (en) * 1997-04-07 1998-10-15 Koninklijke Philips Electronics N.V. Variable bitrate speech transmission system
US5911128A (en) 1994-08-05 1999-06-08 Dejaco; Andrew P. Method and apparatus for performing speech frame encoding mode selection in a variable rate encoding system
WO2000030075A1 (en) * 1998-11-13 2000-05-25 Qualcomm Incorporated Closed-loop variable-rate multimode predictive speech coder

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US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
DE69233397T2 (de) 1991-06-11 2005-08-11 Qualcomm, Inc., San Diego Vorrichtung und Methode zur Maskierung von Fehlern in Datenrahmen
US5884253A (en) 1992-04-09 1999-03-16 Lucent Technologies, Inc. Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter
US5784532A (en) 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
US5761636A (en) * 1994-03-09 1998-06-02 Motorola, Inc. Bit allocation method for improved audio quality perception using psychoacoustic parameters
US5668925A (en) * 1995-06-01 1997-09-16 Martin Marietta Corporation Low data rate speech encoder with mixed excitation
JPH10247098A (ja) * 1997-03-04 1998-09-14 Mitsubishi Electric Corp 可変レート音声符号化方法、可変レート音声復号化方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0725384A2 (en) * 1988-05-26 1996-08-07 Pacific Communication Sciences, Inc. Adaptive transform coding
US5911128A (en) 1994-08-05 1999-06-08 Dejaco; Andrew P. Method and apparatus for performing speech frame encoding mode selection in a variable rate encoding system
WO1998045833A1 (en) * 1997-04-07 1998-10-15 Koninklijke Philips Electronics N.V. Variable bitrate speech transmission system
WO2000030075A1 (en) * 1998-11-13 2000-05-25 Qualcomm Incorporated Closed-loop variable-rate multimode predictive speech coder

Also Published As

Publication number Publication date
JP2003505723A (ja) 2003-02-12
DE60017763D1 (de) 2005-03-03
US6330532B1 (en) 2001-12-11
EP1214705B1 (en) 2005-01-26
WO2001006490A1 (en) 2001-01-25
AU6112000A (en) 2001-02-05
CN1361912A (zh) 2002-07-31
ES2240121T3 (es) 2005-10-16
JP4782332B2 (ja) 2011-09-28
KR20020013963A (ko) 2002-02-21
DE60017763T2 (de) 2006-01-12
BR0012538A (pt) 2002-07-02
CN1161749C (zh) 2004-08-11
ATE288122T1 (de) 2005-02-15
HK1045397B (zh) 2005-04-22
EP1214705A1 (en) 2002-06-19
HK1045397A1 (en) 2002-11-22

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