AU6112000A - Method and apparatus for maintaining a target bit rate in a speech coder - Google Patents

Method and apparatus for maintaining a target bit rate in a speech coder

Info

Publication number
AU6112000A
AU6112000A AU61120/00A AU6112000A AU6112000A AU 6112000 A AU6112000 A AU 6112000A AU 61120/00 A AU61120/00 A AU 61120/00A AU 6112000 A AU6112000 A AU 6112000A AU 6112000 A AU6112000 A AU 6112000A
Authority
AU
Australia
Prior art keywords
performance threshold
value
bit rate
speech coder
threshold value
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.)
Abandoned
Application number
AU61120/00A
Other languages
English (en)
Inventor
Andrew P Dejaco
Sharath Manjunath
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU6112000A publication Critical patent/AU6112000A/en
Abandoned legal-status Critical Current

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
    • G10L19/16—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

Landscapes

  • 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)
  • Detection And Correction Of Errors (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AU61120/00A 1999-07-19 2000-07-19 Method and apparatus for maintaining a target bit rate in a speech coder Abandoned AU6112000A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/356,493 US6330532B1 (en) 1999-07-19 1999-07-19 Method and apparatus for maintaining a target bit rate in a speech coder
US09356493 1999-07-19
PCT/US2000/019670 WO2001006490A1 (en) 1999-07-19 2000-07-19 Method and apparatus for maintaining a target bit rate in a speech coder

Publications (1)

Publication Number Publication Date
AU6112000A true AU6112000A (en) 2001-02-05

Family

ID=23401670

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61120/00A Abandoned AU6112000A (en) 1999-07-19 2000-07-19 Method and apparatus for maintaining a target bit rate in a speech coder

Country Status (12)

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

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6456964B2 (en) * 1998-12-21 2002-09-24 Qualcomm, Incorporated Encoding of periodic speech using prototype waveforms
US6493664B1 (en) * 1999-04-05 2002-12-10 Hughes Electronics Corporation Spectral magnitude modeling and quantization in 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
WO2002045276A2 (en) * 2000-11-30 2002-06-06 Arraycomm, Inc. 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
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
US8032369B2 (en) * 2006-01-20 2011-10-04 Qualcomm Incorporated Arbitrary average data rates for variable rate coders
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
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
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
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
DE602006015328D1 (de) * 2006-11-03 2010-08-19 Psytechnics Ltd Abtastfehlerkompensation
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
US8554551B2 (en) * 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context replacement by audio level
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
CN116391365A (zh) * 2020-09-25 2023-07-04 苹果公司 高阶环境立体声编码和解码
CN117746872B (zh) * 2022-09-15 2025-12-26 抖音视界有限公司 音频编码方法、装置、设备及存储介质

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
EP0725384A3 (en) * 1988-05-26 1996-12-27 Pacific Comm Sciences Inc Adaptive transform coding
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
DE69233794D1 (de) 1991-06-11 2010-09-23 Qualcomm Inc Vocoder mit veränderlicher Bitrate
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
TW271524B (https=) 1994-08-05 1996-03-01 Qualcomm Inc
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
CN1140894C (zh) * 1997-04-07 2004-03-03 皇家菲利浦电子有限公司 可变位速率语音传输系统
EP1129451A1 (en) * 1998-11-13 2001-09-05 QUALCOMM Incorporated Closed-loop variable-rate multimode predictive speech coder

Also Published As

Publication number Publication date
DE60017763T2 (de) 2006-01-12
HK1045397B (zh) 2005-04-22
CN1361912A (zh) 2002-07-31
WO2001006490A1 (en) 2001-01-25
HK1045397A1 (en) 2002-11-22
ES2240121T3 (es) 2005-10-16
BR0012538A (pt) 2002-07-02
US6330532B1 (en) 2001-12-11
KR20020013963A (ko) 2002-02-21
JP2003505723A (ja) 2003-02-12
DE60017763D1 (de) 2005-03-03
CN1161749C (zh) 2004-08-11
KR100754591B1 (ko) 2007-09-05
JP4782332B2 (ja) 2011-09-28
EP1214705B1 (en) 2005-01-26
ATE288122T1 (de) 2005-02-15
EP1214705A1 (en) 2002-06-19

Similar Documents

Publication Publication Date Title
AU6112000A (en) Method and apparatus for maintaining a target bit rate in a speech coder
EP0945988A3 (en) Arithmetic encoding/decoding and probability estimation method
EP0785541A3 (en) Usage of voice activity detection for efficient coding of speech
WO2002096118A3 (en) Decoding compressed image data
EP1239465A3 (en) Method and apparatus for selecting an encoding rate in a variable rate vocoder
EP1074976A3 (en) Block switching based subband audio coder
AU1620700A (en) Low bit-rate coding of unvoiced segments of speech
WO2005034080A3 (en) A method of making a window type decision based on mdct data in audio encoding
TW200513115A (en) Method and apparatus for adaptive frame rate conversion
CA2374523A1 (en) A method and associated device for filtering digital video images
CA2102099A1 (en) Variable rate vocoder
TW200419985A (en) Method and apparatus for stealing power or code for data channel operations
BR9901340A (pt) Processo de filtragem de circuito para dados de imagem e aparelhagem para o mesmo.
EP0772186A3 (en) Speech encoding method and apparatus
MY210456A (en) Clipping indices coding for adaptive loop filter in video coding
EP1145221A3 (en) A method and apparatus for determining speech coding parameters
EP4561075A3 (en) Chroma residual scaling foreseeing a corrective value to be added to luma mapping slope values
WO1998057468A3 (en) Dc suppression for pcm modems
EP1416738A3 (en) Adaptive DCT/IDCT apparatus based on energy and method for controlling the same
KR950701113A (ko) 배경음을 엔코딩 및 디코딩하는 방법 및 장치(method and apparatus for encoding/decoding of background sounds)
KR960036704A (ko) 물체의 경계를 고려한 영상 부호화방법 및 장치
MY127481A (en) Scene cut detection in a video bitstream
TW200627964A (en) Video encoder and method for detecting and encoding noise
FI20011769A0 (fi) Menetelmä liikearvioinnin suorittamiseksi videokoodauksessa, videokoodausjärjestelmä sekä videokoodauslaite
MXPA05012262A (es) Metodos y aparato para mejorar la calidad de video en multiplexion estadistica.

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase