ATE222016T1 - Verfahren zur quantisierung der parameter eines sprachkodierers - Google Patents

Verfahren zur quantisierung der parameter eines sprachkodierers

Info

Publication number
ATE222016T1
ATE222016T1 AT99946281T AT99946281T ATE222016T1 AT E222016 T1 ATE222016 T1 AT E222016T1 AT 99946281 T AT99946281 T AT 99946281T AT 99946281 T AT99946281 T AT 99946281T AT E222016 T1 ATE222016 T1 AT E222016T1
Authority
AT
Austria
Prior art keywords
values
super
encoded
frame
parameters
Prior art date
Application number
AT99946281T
Other languages
English (en)
Inventor
Philippe Gournay
Frederic Chartier
Original Assignee
Thales Sa
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 Thales Sa filed Critical Thales Sa
Application granted granted Critical
Publication of ATE222016T1 publication Critical patent/ATE222016T1/de

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
    • 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
    • G10L19/087Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
    • 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
    • G10L2019/0001Codebooks
    • 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
    • G10L25/93Discriminating between voiced and unvoiced parts of speech signals

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Machine Translation (AREA)
  • Devices For Executing Special Programs (AREA)
  • Executing Machine-Instructions (AREA)
AT99946281T 1998-10-06 1999-10-01 Verfahren zur quantisierung der parameter eines sprachkodierers ATE222016T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9812500A FR2784218B1 (fr) 1998-10-06 1998-10-06 Procede de codage de la parole a bas debit
PCT/FR1999/002348 WO2000021077A1 (fr) 1998-10-06 1999-10-01 Procede de quantification des parametres d'un codeur de parole

Publications (1)

Publication Number Publication Date
ATE222016T1 true ATE222016T1 (de) 2002-08-15

Family

ID=9531246

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99946281T ATE222016T1 (de) 1998-10-06 1999-10-01 Verfahren zur quantisierung der parameter eines sprachkodierers

Country Status (13)

Country Link
US (1) US6687667B1 (de)
EP (1) EP1125283B1 (de)
JP (1) JP4558205B2 (de)
KR (1) KR20010075491A (de)
AT (1) ATE222016T1 (de)
AU (1) AU768744B2 (de)
CA (1) CA2345373A1 (de)
DE (1) DE69902480T2 (de)
FR (1) FR2784218B1 (de)
IL (1) IL141911A0 (de)
MX (1) MXPA01003150A (de)
TW (1) TW463143B (de)
WO (1) WO2000021077A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
FR2815457B1 (fr) * 2000-10-18 2003-02-14 Thomson Csf Procede de codage de la prosodie pour un codeur de parole a tres bas debit
KR100355033B1 (ko) * 2000-12-30 2002-10-19 주식회사 실트로닉 테크놀로지 선형예측 분석을 이용한 워터마크 삽입/추출 장치 및 그방법
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
US7668712B2 (en) 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
US8219391B2 (en) * 2005-02-15 2012-07-10 Raytheon Bbn Technologies Corp. Speech analyzing system with speech codebook
US7831421B2 (en) 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
US7177804B2 (en) 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7707034B2 (en) 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
CN101009096B (zh) * 2006-12-15 2011-01-26 清华大学 子带清浊音模糊判决的方法
EP2122610B1 (de) * 2007-01-31 2018-12-26 Telecom Italia S.p.A. Individualisierbares verfahren und system zur emotionserkennung
KR101317269B1 (ko) 2007-06-07 2013-10-14 삼성전자주식회사 정현파 오디오 코딩 방법 및 장치, 그리고 정현파 오디오디코딩 방법 및 장치
WO2010003254A1 (en) * 2008-07-10 2010-01-14 Voiceage Corporation Multi-reference lpc filter quantization and inverse quantization device and method
GB0822537D0 (en) 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
GB2466201B (en) * 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
US9947340B2 (en) 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
US9465836B2 (en) * 2010-12-23 2016-10-11 Sap Se Enhanced business object retrieval
TWI564884B (zh) 2013-06-21 2017-01-01 弗勞恩霍夫爾協會 用以改良在錯誤消除期間於不同域之信號衰減之裝置及方法、以及相關電腦程式
JP7130878B2 (ja) * 2019-01-13 2022-09-05 華為技術有限公司 高分解能オーディオコーディング

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255339A (en) * 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
CA2259374A1 (en) * 1996-07-05 1998-01-15 The Victoria University Of Manchester Speech synthesis system
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
FR2774827B1 (fr) * 1998-02-06 2000-04-14 France Telecom Procede de decodage d'un flux binaire representatif d'un signal audio
US6094629A (en) * 1998-07-13 2000-07-25 Lockheed Martin Corp. Speech coding system and method including spectral quantizer
FR2786908B1 (fr) * 1998-12-04 2001-06-08 Thomson Csf Procede et dispositif pour le traitement des sons pour correction auditive des malentendants

Also Published As

Publication number Publication date
MXPA01003150A (es) 2002-07-02
US6687667B1 (en) 2004-02-03
EP1125283A1 (de) 2001-08-22
TW463143B (en) 2001-11-11
WO2000021077A1 (fr) 2000-04-13
AU5870299A (en) 2000-04-26
KR20010075491A (ko) 2001-08-09
EP1125283B1 (de) 2002-08-07
DE69902480D1 (de) 2002-09-12
DE69902480T2 (de) 2003-05-22
CA2345373A1 (fr) 2000-04-13
JP4558205B2 (ja) 2010-10-06
AU768744B2 (en) 2004-01-08
FR2784218B1 (fr) 2000-12-08
IL141911A0 (en) 2002-03-10
JP2002527778A (ja) 2002-08-27
FR2784218A1 (fr) 2000-04-07

Similar Documents

Publication Publication Date Title
DE69902480D1 (de) Verfahren zur quantisierung der parameter eines sprachkodierers
US7330814B2 (en) Wideband speech coding with modulated noise highband excitation system and method
JP5343098B2 (ja) スーパーフレーム構造のlpcハーモニックボコーダ
EP1202251B1 (de) Transkodierer zur Vermeidung einer Kaskadenkodierung von Sprachsignalen
KR100769508B1 (ko) Celp 트랜스코딩
US7136810B2 (en) Wideband speech coding system and method
US5689615A (en) Usage of voice activity detection for efficient coding of speech
KR100592627B1 (ko) 스피치의 무성 세그먼트의 저비트율 코딩
CA2447735A1 (en) Interoperable vocoder
JP2002527778A5 (de)
KR100656788B1 (ko) 비트율 신축성을 갖는 코드벡터 생성 방법 및 그를 이용한 광대역 보코더
EP1158495B1 (de) Vorrichtung und Verfahren zur Breitbandcodierung von Sprachsignalen
US7684978B2 (en) Apparatus and method for transcoding between CELP type codecs having different bandwidths
US20020095284A1 (en) System of dynamic pulse position tracks for pulse-like excitation in speech coding
CA2239294A1 (en) Methods and apparatus for efficient quantization of gain parameters in glpas speech coders
US8719012B2 (en) Methods and apparatus for coding digital audio signals using a filtered quantizing noise
US5717819A (en) Methods and apparatus for encoding/decoding speech signals at low bit rates
KR100416363B1 (ko) 선형 예측 분석 대 합성 엔코딩 방법 및 엔코더
EP1431962B1 (de) Vorrichtung und Verfahren zur Breitbandcodierung von Sprachsignalen
Viswanathan et al. Speech-quality optimization of 16 kb/s adaptive predictive coders
US20040167772A1 (en) Speech coding and decoding in a voice communication system
Wang Speech coding
JPH05165498A (ja) 音声符号化方法
KANG et al. Voice Communication Processing System(Patent)
Naja et al. A real time processing TCELP coder/decoder at 4.8 kbit/sec using LSP split vector quantization

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties