HK1042370B - 語音中非話音部份的低數據位速率編碼 - Google Patents

語音中非話音部份的低數據位速率編碼

Info

Publication number
HK1042370B
HK1042370B HK02104019.7A HK02104019A HK1042370B HK 1042370 B HK1042370 B HK 1042370B HK 02104019 A HK02104019 A HK 02104019A HK 1042370 B HK1042370 B HK 1042370B
Authority
HK
Hong Kong
Prior art keywords
speech
energy
rate coding
unvoiced segments
low bit
Prior art date
Application number
HK02104019.7A
Other languages
English (en)
Other versions
HK1042370A1 (en
Inventor
A‧達斯
S‧曼朱那什
Original Assignee
高通股份有限公司
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 高通股份有限公司 filed Critical 高通股份有限公司
Publication of HK1042370A1 publication Critical patent/HK1042370A1/xx
Publication of HK1042370B publication Critical patent/HK1042370B/zh

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21Speech 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 power information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
HK02104019.7A 1998-11-13 2002-05-30 語音中非話音部份的低數據位速率編碼 HK1042370B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/191,633 US6463407B2 (en) 1998-11-13 1998-11-13 Low bit-rate coding of unvoiced segments of speech
PCT/US1999/026851 WO2000030074A1 (en) 1998-11-13 1999-11-12 Low bit-rate coding of unvoiced segments of speech

Publications (2)

Publication Number Publication Date
HK1042370A1 HK1042370A1 (en) 2002-08-09
HK1042370B true HK1042370B (zh) 2006-09-29

Family

ID=22706272

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02104019.7A HK1042370B (zh) 1998-11-13 2002-05-30 語音中非話音部份的低數據位速率編碼

Country Status (11)

Country Link
US (3) US6463407B2 (zh)
EP (1) EP1129450B1 (zh)
JP (1) JP4489960B2 (zh)
KR (1) KR100592627B1 (zh)
CN (2) CN1241169C (zh)
AT (1) ATE286617T1 (zh)
AU (1) AU1620700A (zh)
DE (1) DE69923079T2 (zh)
ES (1) ES2238860T3 (zh)
HK (1) HK1042370B (zh)
WO (1) WO2000030074A1 (zh)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6463407B2 (en) * 1998-11-13 2002-10-08 Qualcomm Inc. Low bit-rate coding of unvoiced segments of speech
US6937979B2 (en) * 2000-09-15 2005-08-30 Mindspeed Technologies, Inc. Coding based on spectral content of a speech signal
US6947888B1 (en) * 2000-10-17 2005-09-20 Qualcomm Incorporated Method and apparatus for high performance low bit-rate coding of unvoiced speech
KR20020075592A (ko) * 2001-03-26 2002-10-05 한국전자통신연구원 광대역 음성 부호화기용 lsf 양자화기
DE60214358T2 (de) * 2001-04-05 2007-08-30 Koninklijke Philips Electronics N.V. Zeitskalenmodifikation von signalen mit spezifischem verfahren je nach ermitteltem signaltyp
US7162415B2 (en) * 2001-11-06 2007-01-09 The Regents Of The University Of California Ultra-narrow bandwidth voice coding
US6917914B2 (en) * 2003-01-31 2005-07-12 Harris Corporation Voice over bandwidth constrained lines with mixed excitation linear prediction transcoding
KR100487719B1 (ko) * 2003-03-05 2005-05-04 한국전자통신연구원 광대역 음성 부호화를 위한 엘에스에프 계수 벡터 양자화기
CA2475282A1 (en) * 2003-07-17 2005-01-17 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Industry Through The Communications Research Centre Volume hologram
US20050091044A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for pitch contour quantization in audio coding
US20050091041A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for speech coding
US8219391B2 (en) * 2005-02-15 2012-07-10 Raytheon Bbn Technologies Corp. Speech analyzing system with speech codebook
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
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
EP2458588A3 (en) * 2006-10-10 2012-07-04 Qualcomm Incorporated Method and apparatus for encoding and decoding audio signals
KR20090076964A (ko) * 2006-11-10 2009-07-13 파나소닉 주식회사 파라미터 복호 장치, 파라미터 부호화 장치 및 파라미터 복호 방법
GB2466666B (en) * 2009-01-06 2013-01-23 Skype Speech coding
US20100285938A1 (en) * 2009-05-08 2010-11-11 Miguel Latronica Therapeutic body strap
US9570093B2 (en) * 2013-09-09 2017-02-14 Huawei Technologies Co., Ltd. Unvoiced/voiced decision for speech processing
EP3111560B1 (en) 2014-02-27 2021-05-26 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for pyramid vector quantization indexing and de-indexing of audio/video sample vectors
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10573331B2 (en) * 2018-05-01 2020-02-25 Qualcomm Incorporated Cooperative pyramid vector quantizers for scalable audio coding
US10734006B2 (en) 2018-06-01 2020-08-04 Qualcomm Incorporated Audio coding based on audio pattern recognition
CN113627499B (zh) * 2021-07-28 2024-04-02 中国科学技术大学 基于检查站柴油车尾气图像的烟度等级估算方法及设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731846A (en) * 1983-04-13 1988-03-15 Texas Instruments Incorporated Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
EP0163829B1 (en) * 1984-03-21 1989-08-23 Nippon Telegraph And Telephone Corporation Speech signal processing system
IL95753A (en) * 1989-10-17 1994-11-11 Motorola Inc Digits a digital speech
JP2841765B2 (ja) * 1990-07-13 1998-12-24 日本電気株式会社 適応ビット割当て方法及び装置
US5226108A (en) * 1990-09-20 1993-07-06 Digital Voice Systems, Inc. Processing a speech signal with estimated pitch
CA2635914A1 (en) 1991-06-11 1992-12-23 Qualcomm Incorporated Error masking in a variable rate vocoder
US5255339A (en) * 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method
WO1993018505A1 (en) * 1992-03-02 1993-09-16 The Walt Disney Company Voice transformation system
US5734789A (en) * 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
US5381512A (en) * 1992-06-24 1995-01-10 Moscom Corporation Method and apparatus for speech feature recognition based on models of auditory signal processing
US5517595A (en) * 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
US5839102A (en) * 1994-11-30 1998-11-17 Lucent Technologies Inc. Speech coding parameter sequence reconstruction by sequence classification and interpolation
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
US6463407B2 (en) * 1998-11-13 2002-10-08 Qualcomm Inc. Low bit-rate coding of unvoiced segments of speech
US6754624B2 (en) * 2001-02-13 2004-06-22 Qualcomm, Inc. Codebook re-ordering to reduce undesired packet generation

Also Published As

Publication number Publication date
CN1241169C (zh) 2006-02-08
CN1342309A (zh) 2002-03-27
JP4489960B2 (ja) 2010-06-23
CN1815558A (zh) 2006-08-09
US6463407B2 (en) 2002-10-08
KR20010080455A (ko) 2001-08-22
US20050043944A1 (en) 2005-02-24
EP1129450A1 (en) 2001-09-05
US20010049598A1 (en) 2001-12-06
US20020184007A1 (en) 2002-12-05
KR100592627B1 (ko) 2006-06-23
ATE286617T1 (de) 2005-01-15
WO2000030074A1 (en) 2000-05-25
DE69923079T2 (de) 2005-12-15
HK1042370A1 (en) 2002-08-09
EP1129450B1 (en) 2005-01-05
ES2238860T3 (es) 2005-09-01
US6820052B2 (en) 2004-11-16
US7146310B2 (en) 2006-12-05
CN1815558B (zh) 2010-09-29
JP2002530705A (ja) 2002-09-17
DE69923079D1 (de) 2005-02-10
AU1620700A (en) 2000-06-05

Similar Documents

Publication Publication Date Title
HK1042370A1 (en) Low bit-rate coding of unvoiced segments of speech
EP1706864A4 (en) EFFECTIVE CALCULATION BASIC NOISE SUPPRESSOR FOR SPEECH CODING AND VOICE RECOGNITION
EP0785541B1 (en) Usage of voice activity detection for efficient coding of speech
WO2004008437A3 (en) Audio coding
ATE205030T1 (de) Verfahren zum codieren eines audiosignals
DE59801589D1 (de) Verfahren und vorrichtung zum codieren von audiosignalen sowie verfahren und vorrichtungen zum decodieren eines bitstroms
ATE305655T1 (de) Vorrichtung und verfahren zum codieren eines zeitdiskreten audiosignals und vorrichtung und verfahren zum decodieren von codierten audiodaten
CA2194419A1 (en) Perceptual noise shaping in the time domain via lpc prediction in the frequency domain
WO2001082289A3 (en) Frame erasure compensation method in a variable rate speech coder
EP1006510A3 (en) Signal encoding and decoding system
WO2002084886A1 (en) Signal encoding method and apparatus and decoding method and apparatus
JP2002530705A5 (zh)
BR0114707A (pt) Método e equipamento para codificação de fala sem voz
EP2951816B1 (en) Noise filling without side information for celp-like coders
EP0798696A3 (en) Speech processing method and apparatus
WO2006109251A3 (en) Voice conversion
HK1045396A1 (en) Method and apparatus for interleaving line spectral information quantization methods in a speech coder.
TW200515372A (en) Method and system for speech coding
EP1450352A3 (en) Block-constrained TCQ method, and method and apparatus for quantizing LSF parameters employing the same in a speech coding system
EP1310943A3 (en) Speech coding apparatus, speech decoding apparatus and speech coding/decoding method
MXPA02010770A (es) Aparato para codificar y aparato para descodificar.
KR0155315B1 (ko) Lsp를 이용한 celp보코더의 피치 검색방법
FI962968A (fi) Lineaarinen ennustekoodari
WO2002047359B1 (en) System to reduce distortion due to coding with a sample-by-sample quantizer
Ritz et al. Wideband Speech Coding at 4 kbps using Waveform Interpolation

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20111112