ES2162038T3 - Codificador de señales vocales de prediccion lineal mediante analisis por sintesis. - Google Patents

Codificador de señales vocales de prediccion lineal mediante analisis por sintesis.

Info

Publication number
ES2162038T3
ES2162038T3 ES96908412T ES96908412T ES2162038T3 ES 2162038 T3 ES2162038 T3 ES 2162038T3 ES 96908412 T ES96908412 T ES 96908412T ES 96908412 T ES96908412 T ES 96908412T ES 2162038 T3 ES2162038 T3 ES 2162038T3
Authority
ES
Spain
Prior art keywords
synthesis
analysis
code
linear prediction
vocal signals
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.)
Expired - Lifetime
Application number
ES96908412T
Other languages
English (en)
Inventor
Tor Bjorn Minde
Peter Mustel
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of ES2162038T3 publication Critical patent/ES2162038T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

SE DESCRIBE UN CODIFICADOR DEL HABLA PREDICTIVO LINEAL DE ANALISIS-POR-SINTESIS. ESTE CODIFICADOR DEL HABLA INCLUYE UNA PARTE DE SINTESIS COMPUESTA POR UNA EXCITACION MIXTA INCLUYENDO UNA EXCITACION POR MULTI-PULSO (MPE; 34) Y UNA EXCITACION POR PULSO BINARIO TRANSFORMADO (TBPE; 36).
ES96908412T 1995-03-22 1996-03-06 Codificador de señales vocales de prediccion lineal mediante analisis por sintesis. Expired - Lifetime ES2162038T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501026A SE506379C3 (sv) 1995-03-22 1995-03-22 Lpc-talkodare med kombinerad excitation

Publications (1)

Publication Number Publication Date
ES2162038T3 true ES2162038T3 (es) 2001-12-16

Family

ID=20397640

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96908412T Expired - Lifetime ES2162038T3 (es) 1995-03-22 1996-03-06 Codificador de señales vocales de prediccion lineal mediante analisis por sintesis.

Country Status (11)

Country Link
US (1) US5991717A (es)
EP (1) EP0815554B1 (es)
JP (1) JP3841224B2 (es)
KR (1) KR100368897B1 (es)
AU (1) AU699787B2 (es)
CA (1) CA2214672C (es)
DE (1) DE69613360T2 (es)
ES (1) ES2162038T3 (es)
RU (1) RU2163399C2 (es)
SE (1) SE506379C3 (es)
WO (1) WO1996029696A1 (es)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI955266A (fi) * 1995-11-02 1997-05-03 Nokia Telecommunications Oy Menetelmä ja laitteisto viestien välittämiseksi tietoliikennejärjestelmässä
JP3199020B2 (ja) 1998-02-27 2001-08-13 日本電気株式会社 音声音楽信号の符号化装置および復号装置
FI113571B (fi) * 1998-03-09 2004-05-14 Nokia Corp Puheenkoodaus
FR2776447B1 (fr) * 1998-03-23 2000-05-12 Comsis Codage source-canal conjoint en blocs
CA2300077C (en) * 1998-06-09 2007-09-04 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus and speech decoding apparatus
SE521225C2 (sv) * 1998-09-16 2003-10-14 Ericsson Telefon Ab L M Förfarande och anordning för CELP-kodning/avkodning
US6292917B1 (en) * 1998-09-30 2001-09-18 Agere Systems Guardian Corp. Unequal error protection for digital broadcasting using channel classification
JP4008607B2 (ja) * 1999-01-22 2007-11-14 株式会社東芝 音声符号化／復号化方法
US7272553B1 (en) * 1999-09-08 2007-09-18 8X8, Inc. Varying pulse amplitude multi-pulse analysis speech processor and method
WO2001022676A1 (fr) * 1999-09-21 2001-03-29 Comsis Codage source-canal conjoint en blocs
US6529867B2 (en) * 2000-09-15 2003-03-04 Conexant Systems, Inc. Injecting high frequency noise into pulse excitation for low bit rate CELP
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE0004818D0 (sv) * 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
FI119955B (fi) * 2001-06-21 2009-05-15 Nokia Corp Menetelmä, kooderi ja laite puheenkoodaukseen synteesi-analyysi puhekoodereissa
KR20050028193A (ko) * 2003-09-17 2005-03-22 삼성전자주식회사 오디오 신호에 적응적으로 부가 정보를 삽입하기 위한방법, 오디오 신호에 삽입된 부가 정보의 재생 방법, 및그 장치와 이를 구현하기 위한 프로그램이 기록된 기록 매체
JP2008503786A (ja) * 2004-06-22 2008-02-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ信号の符号化及び復号化
DE102005000830A1 (de) * 2005-01-05 2006-07-13 Siemens Ag Verfahren zur Bandbreitenerweiterung
EP2313986A1 (en) * 2008-08-13 2011-04-27 Nokia Siemens Networks Oy Method of generating a codebook
US9236063B2 (en) * 2010-07-30 2016-01-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dynamic bit allocation
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
EP4243017A3 (en) 2011-02-14 2023-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method decoding an audio signal using an aligned look-ahead portion
PL2661745T3 (pl) 2011-02-14 2015-09-30 Fraunhofer Ges Forschung Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio
ES2529025T3 (es) 2011-02-14 2015-02-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para procesar una señal de audio decodificada en un dominio espectral
JP5712288B2 (ja) 2011-02-14 2015-05-07 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 重複変換を使用した情報信号表記
MX2013009346A (es) 2011-02-14 2013-10-01 Fraunhofer Ges Forschung Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral.
MX2013009345A (es) 2011-02-14 2013-10-01 Fraunhofer Ges Forschung Codificacion y decodificacion de posiciones de los pulsos de las pistas de una señal de audio.
MY159444A (en) * 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
CA2827266C (en) 2011-02-14 2017-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
CA2903681C (en) 2011-02-14 2017-03-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Audio codec using noise synthesis during inactive phases
RU2495504C1 (ru) * 2012-06-25 2013-10-10 Государственное казенное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) Способ снижения скорости передачи низкоскоростных вокодеров с линейным предсказанием
EP3217398B1 (en) * 2013-04-05 2019-08-14 Dolby International AB Advanced quantizer
IL294836B1 (en) * 2013-04-05 2024-06-01 Dolby Int Ab Audio encoder and decoder
RU2631968C2 (ru) * 2015-07-08 2017-09-29 Федеральное государственное казенное военное образовательное учреждение высшего образования "Академия Федеральной службы охраны Российской Федерации" (Академия ФСО России) Способ низкоскоростного кодирования и декодирования речевого сигнала
TWI723545B (zh) * 2019-09-17 2021-04-01 宏碁股份有限公司 語音處理方法及其裝置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
CA1323934C (en) * 1986-04-15 1993-11-02 Tetsu Taguchi Speech processing apparatus
CA1337217C (en) * 1987-08-28 1995-10-03 Daniel Kenneth Freeman Speech coding
SE463691B (sv) * 1989-05-11 1991-01-07 Ericsson Telefon Ab L M Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen
JPH0612098A (ja) * 1992-03-16 1994-01-21 Sanyo Electric Co Ltd 音声符号化装置
JP3328080B2 (ja) * 1994-11-22 2002-09-24 沖電気工業株式会社 コード励振線形予測復号器

Also Published As

Publication number Publication date
SE9501026D0 (sv) 1995-03-22
DE69613360D1 (de) 2001-07-19
JPH11502318A (ja) 1999-02-23
AU5165496A (en) 1996-10-08
KR100368897B1 (ko) 2003-04-11
DE69613360T2 (de) 2001-10-11
SE506379C2 (sv) 1997-12-08
US5991717A (en) 1999-11-23
JP3841224B2 (ja) 2006-11-01
CA2214672C (en) 2005-07-05
EP0815554A1 (en) 1998-01-07
SE9501026L (sv) 1996-09-23
AU699787B2 (en) 1998-12-17
WO1996029696A1 (en) 1996-09-26
EP0815554B1 (en) 2001-06-13
CA2214672A1 (en) 1996-09-26
SE506379C3 (sv) 1998-01-19
KR19980703198A (ko) 1998-10-15
RU2163399C2 (ru) 2001-02-20

Similar Documents

Publication Publication Date Title
ES2162038T3 (es) Codificador de señales vocales de prediccion lineal mediante analisis por sintesis.
EP1037197A3 (en) Voicing analysis in a linear predictive speech coder
MX9605122A (es) Metodo y aparato de codificacion de voz y metodo y aparato de descodificacion de voz.
RU97117357A (ru) Речевой кодер с линейным предсказанием и использованием анализа через синтез
ATE202232T1 (de) Verfahren zur sprachkodierung
KR970024627A (ko) 음성부호화방법 및 장치
SE8206641L (sv) Digital talprocessor
EP1596367A3 (en) Method and apparatus for speech decoding
MY138212A (en) Method for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (vmr-wb) codecs
MY129887A (en) Method and apparatus for performing reduced rate variable rate vocoding
HK1104655A1 (en) Orthogonalization search for the celp based speech coding
FI934424A (fi) Tid-frekvens -interpolering med tillaempning pao laoghastighets talkodning
ATE272058T1 (de) Matrize für die synthese kombinatorischer bibliotheken in lösung
EP0596847A3 (en) Adaptive device for improving the fundamental frequency pulses and method for use in a CELP search loop.
ES2060132T3 (es) Metodo de posicionar impulsos de excitacion en un codificador de voz predictor lineal.
SE9501640L (sv) Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering
DE69941947D1 (de) Celp sprachkodierer
DE68923771D1 (de) Sprachübertragungssystem unter Anwendung von Mehrimpulsanregung.
ATE198805T1 (de) Quantisierung einer aufgeteilten vorhersagematrix mit spektralparametern zur wirksamen sprachkodierung
CA2110645A1 (en) Method of and Device for Quantizing Excitation Gains in Speech Coders Based on Analysis-By-Synthesis Techniques
EP0869477A3 (en) Apparatus for speech coding using a multipulse excitation signal
MX9300911A (es) Metodo de determinacion.
FI941648A (fi) Puhekoodain, joka hyödyntää synteesi-analyysitekniikkaa, ja joka omaa pulssiaktivoinnin
EP0617403A3 (en) Keyboard instrument selectively entering into an acoustic mode and a silent mode through a sliding motion of a stopper
DE68915057D1 (de) Kodierungsverfahren und linearer Prädiktionssprachkodierer.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 815554

Country of ref document: ES