ATE388465T1 - Verfahren zur kodierung von sprach- und musiksignalen - Google Patents

Verfahren zur kodierung von sprach- und musiksignalen

Info

Publication number
ATE388465T1
ATE388465T1 AT02010879T AT02010879T ATE388465T1 AT E388465 T1 ATE388465 T1 AT E388465T1 AT 02010879 T AT02010879 T AT 02010879T AT 02010879 T AT02010879 T AT 02010879T AT E388465 T1 ATE388465 T1 AT E388465T1
Authority
AT
Austria
Prior art keywords
speech
signals
music
coding
transform
Prior art date
Application number
AT02010879T
Other languages
English (en)
Inventor
Kazuhuito Koishida
Vladimir Cuperman
Amir Majidimehr
Allen Gersho
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of ATE388465T1 publication Critical patent/ATE388465T1/de

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
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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

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)
  • Electrophonic Musical Instruments (AREA)
AT02010879T 2001-06-26 2002-05-15 Verfahren zur kodierung von sprach- und musiksignalen ATE388465T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/892,105 US6658383B2 (en) 2001-06-26 2001-06-26 Method for coding speech and music signals

Publications (1)

Publication Number Publication Date
ATE388465T1 true ATE388465T1 (de) 2008-03-15

Family

ID=25399378

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02010879T ATE388465T1 (de) 2001-06-26 2002-05-15 Verfahren zur kodierung von sprach- und musiksignalen

Country Status (5)

Country Link
US (1) US6658383B2 (de)
EP (1) EP1278184B1 (de)
JP (2) JP2003044097A (de)
AT (1) ATE388465T1 (de)
DE (1) DE60225381T2 (de)

Families Citing this family (112)

* 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
AU2001239077A1 (en) * 2000-03-15 2001-09-24 Digital Accelerator Corporation Coding of digital video with high motion content
JP3467469B2 (ja) * 2000-10-31 2003-11-17 Ｎｅｃエレクトロニクス株式会社 音声復号装置および音声復号プログラムを記録した記録媒体
JP4867076B2 (ja) * 2001-03-28 2012-02-01 日本電気株式会社 音声合成用圧縮素片作成装置、音声規則合成装置及びそれらに用いる方法
WO2003092840A1 (en) * 2002-05-02 2003-11-13 4Kids Entertainment Licensing, Inc. Hand held data compression apparatus
JP4208533B2 (ja) * 2002-09-19 2009-01-14 キヤノン株式会社 画像処理装置及び画像処理方法
US20060106597A1 (en) * 2002-09-24 2006-05-18 Yaakov Stein System and method for low bit-rate compression of combined speech and music
WO2004082288A1 (en) * 2003-03-11 2004-09-23 Nokia Corporation Switching between coding schemes
DE10328777A1 (de) * 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
US20050154636A1 (en) * 2004-01-11 2005-07-14 Markus Hildinger Method and system for selling and/ or distributing digital audio files
US20050159942A1 (en) * 2004-01-15 2005-07-21 Manoj Singhal Classification of speech and music using linear predictive coding coefficients
FI118835B (fi) 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
FI118834B (fi) 2004-02-23 2008-03-31 Nokia Corp Audiosignaalien luokittelu
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
GB0408856D0 (en) * 2004-04-21 2004-05-26 Nokia Corp Signal encoding
US7739120B2 (en) * 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
DE602004025517D1 (de) * 2004-05-17 2010-03-25 Nokia Corp Audiocodierung mit verschiedenen codierungsrahmenlängen
DE602004008676T2 (de) * 2004-05-17 2008-06-05 Nokia Corp. Audiocodierung mit verschiedenen codierungsmodellen
US7596486B2 (en) * 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
DE502006004136D1 (de) * 2005-04-28 2009-08-13 Siemens Ag Verfahren und vorrichtung zur geräuschunterdrückung
WO2006125342A1 (fr) * 2005-05-25 2006-11-30 Lin, Hui Procede de compression d'information pour fichier audio numerique
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7831421B2 (en) 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
KR100715949B1 (ko) * 2005-11-11 2007-05-08 삼성전자주식회사 고속 음악 무드 분류 방법 및 그 장치
WO2007083934A1 (en) * 2006-01-18 2007-07-26 Lg Electronics Inc. Apparatus and method for encoding and decoding signal
KR100749045B1 (ko) * 2006-01-26 2007-08-13 삼성전자주식회사 음악 내용 요약본을 이용한 유사곡 검색 방법 및 그 장치
KR100717387B1 (ko) * 2006-01-26 2007-05-11 삼성전자주식회사 유사곡 검색 방법 및 그 장치
US7987089B2 (en) * 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
US7461106B2 (en) * 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
KR101065704B1 (ko) 2006-09-29 2011-09-19 엘지전자 주식회사 오브젝트 기반 오디오 신호를 인코딩 및 디코딩하는 방법 및 장치
US9583117B2 (en) * 2006-10-10 2017-02-28 Qualcomm Incorporated Method and apparatus for encoding and decoding audio signals
JP5123516B2 (ja) * 2006-10-30 2013-01-23 株式会社エヌ・ティ・ティ・ドコモ 復号装置、符号化装置、復号方法及び符号化方法
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR101102401B1 (ko) * 2006-11-24 2012-01-05 엘지전자 주식회사 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그 장치
MX2009006201A (es) * 2006-12-12 2009-06-22 Fraunhofer Ges Forschung Codificador, decodificador y metodos para codificar y decodificar segmentos de datos que representan una corriente de datos del dominio temporal.
CN101025918B (zh) * 2007-01-19 2011-06-29 清华大学 一种语音/音乐双模编解码无缝切换方法
JP5254983B2 (ja) 2007-02-14 2013-08-07 エルジー エレクトロニクス インコーポレイティド オブジェクトベースオーディオ信号の符号化及び復号化方法並びにその装置
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
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
CA2702669C (en) * 2007-10-15 2015-03-31 Lg Electronics Inc. A method and an apparatus for processing a signal
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
ATE500588T1 (de) * 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
AU2012201692B2 (en) * 2008-01-04 2013-05-16 Dolby International Ab Audio Encoder and Decoder
KR101441896B1 (ko) * 2008-01-29 2014-09-23 삼성전자주식회사 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화,복호화 방법 및 장치
CA2716817C (en) * 2008-03-03 2014-04-22 Lg Electronics Inc. Method and apparatus for processing audio signal
WO2009110751A2 (ko) * 2008-03-04 2009-09-11 Lg Electronics Inc. 오디오 신호 처리 방법 및 장치
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US7889103B2 (en) * 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
WO2009114656A1 (en) * 2008-03-14 2009-09-17 Dolby Laboratories Licensing Corporation Multimode coding of speech-like and non-speech-like signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
EP2139000B1 (de) * 2008-06-25 2011-05-25 Thomson Licensing Verfahren und Vorrichtung zur Kodierung und Dekodierung von Sprache bzw. Nicht-Sprache-Audioeingabesignalen
CA2972812C (en) 2008-07-10 2018-07-24 Voiceage Corporation Device and method for quantizing and inverse quantizing lpc filters in a super-frame
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
CA2729971C (en) * 2008-07-11 2014-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. An apparatus and a method for calculating a number of spectral envelopes
CA2730355C (en) 2008-07-11 2016-03-22 Guillaume Fuchs Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
WO2010003545A1 (en) * 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. An apparatus and a method for decoding an encoded audio signal
EP2144231A1 (de) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/-dekodierungschema geringer Bitrate mit gemeinsamer Vorverarbeitung
CN102105930B (zh) * 2008-07-11 2012-10-03 弗朗霍夫应用科学研究促进协会 用于编码采样音频信号的帧的音频编码器和解码器
KR101756834B1 (ko) 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
KR20100007738A (ko) * 2008-07-14 2010-01-22 한국전자통신연구원 음성/오디오 통합 신호의 부호화/복호화 장치
KR101261677B1 (ko) 2008-07-14 2013-05-06 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
EP2146344B1 (de) 2008-07-17 2016-07-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/-dekodierungsschema mit schaltbarer Überbrückung
CN102216982A (zh) 2008-09-18 2011-10-12 韩国电子通信研究院 在基于修正离散余弦变换的译码器与异质译码器间转换的编码设备和解码设备
EP2224433B1 (de) * 2008-09-25 2020-05-27 Lg Electronics Inc. Vorrichtung zur Verarbeitung eines Audiosignals und Verfahren dafür
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
MX2011003824A (es) * 2008-10-08 2011-05-02 Fraunhofer Ges Forschung Esquema de codificacion/decodificacion de audio conmutado de resolucion multiple.
KR101649376B1 (ko) 2008-10-13 2016-08-31 한국전자통신연구원 Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치
WO2010044593A2 (ko) 2008-10-13 2010-04-22 한국전자통신연구원 Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) * 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
JP4977157B2 (ja) 2009-03-06 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
JP5519230B2 (ja) * 2009-09-30 2014-06-11 パナソニック株式会社 オーディオエンコーダ及び音信号処理システム
KR101137652B1 (ko) * 2009-10-14 2012-04-23 광운대학교 산학협력단 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법
BR122020024236B1 (pt) * 2009-10-20 2021-09-14 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E. V. Codificador de sinal de áudio, decodificador de sinal de áudio, método para prover uma representação codificada de um conteúdo de áudio, método para prover uma representação decodificada de um conteúdo de áudio e programa de computador para uso em aplicações de baixo retardamento
KR101397058B1 (ko) 2009-11-12 2014-05-20 엘지전자 주식회사 신호 처리 방법 및 이의 장치
JP5395649B2 (ja) * 2009-12-24 2014-01-22 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置及びプログラム
US8442837B2 (en) * 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
TWI500276B (zh) 2010-03-22 2015-09-11 Unwired Technology Llc 雙模編碼器、包括此編碼器之系統、及用以產生紅外線信號之方法
BR122020024855B1 (pt) 2010-04-13 2021-03-30 Fraunhofer - Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Codificador de áudio ou vídeo, decodificador de áudio ou vídeo e métodos relacionados para o processamento do sinal de áudio ou vídeo de múltiplos canais usando uma direção de previsão variável
ES2902392T3 (es) 2010-07-02 2022-03-28 Dolby Int Ab Descodificación de audio con pos-filtración selectiva
US9047875B2 (en) * 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
TWI421860B (zh) * 2010-10-28 2014-01-01 Pacific Tech Microelectronics Inc Dynamic sound quality control device
EP2466580A1 (de) * 2010-12-14 2012-06-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Codierer und Verfahren zur prädiktiven Codierung, Decodierer und Verfahren zur Decodierung, System und Verfahren zur prädiktiven Codierung und Decodierung und prädiktiv codiertes Informationssignal
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
CN102074242B (zh) * 2010-12-27 2012-03-28 武汉大学 语音音频混合分级编码中核心层残差提取系统及方法
DK3244405T3 (da) * 2011-03-04 2019-07-22 Ericsson Telefon Ab L M Audiodekoder med forstærkningskorrektion efter kvantisering
WO2013068634A1 (en) * 2011-11-10 2013-05-16 Nokia Corporation A method and apparatus for detecting audio sampling rate
TWI591620B (zh) * 2012-03-21 2017-07-11 三星電子股份有限公司 產生高頻雜訊的方法
EP2867892B1 (de) 2012-06-28 2017-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auf linearer prädiktion basierende audiocodierung mit verbesserter wahrscheinlichkeitsverteilungsschätzung
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
PL401346A1 (pl) * 2012-10-25 2014-04-28 Ivona Software Spółka Z Ograniczoną Odpowiedzialnością Generowanie spersonalizowanych programów audio z zawartości tekstowej
PL401372A1 (pl) * 2012-10-26 2014-04-28 Ivona Software Spółka Z Ograniczoną Odpowiedzialnością Hybrydowa kompresja danych głosowych w systemach zamiany tekstu na mowę
PL401371A1 (pl) * 2012-10-26 2014-04-28 Ivona Software Spółka Z Ograniczoną Odpowiedzialnością Opracowanie głosu dla zautomatyzowanej zamiany tekstu na mowę
SG10201706626XA (en) * 2012-11-13 2017-09-28 Samsung Electronics Co Ltd Method and apparatus for determining encoding mode, method and apparatus for encoding audio signals, and method and apparatus for decoding audio signals
RU2625561C2 (ru) * 2013-01-29 2017-07-14 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Принцип для компенсации переключения режима кодирования
CN105247614B (zh) * 2013-04-05 2019-04-05 杜比国际公司 音频编码器和解码器
CN104347067B (zh) 2013-08-06 2017-04-12 华为技术有限公司 一种音频信号分类方法和装置
EP3028275B1 (de) * 2013-08-23 2017-09-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verarbeitung eines audiosignals unter verwendung einer kombination in einem überlappungsbereich
CN107424622B (zh) 2014-06-24 2020-12-25 华为技术有限公司 音频编码方法和装置
CN106448688B (zh) 2014-07-28 2019-11-05 华为技术有限公司 音频编码方法及相关装置
EP2980797A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Verfahren und Computerprogramm mit Zero-Input-Response zur Erzeugung eines sanften Übergangs
CN108028045A (zh) 2015-07-06 2018-05-11 诺基亚技术有限公司 用于音频信号解码器的位错误检测器
CN111916059B (zh) * 2020-07-01 2022-12-27 深圳大学 一种基于深度学习的平滑语音检测方法、装置及智能设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
US5734789A (en) 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
US5717823A (en) 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders
JP3277682B2 (ja) * 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
TW271524B (de) 1994-08-05 1996-03-01 Qualcomm Inc
US5751903A (en) 1994-12-19 1998-05-12 Hughes Electronics Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset
JP3317470B2 (ja) * 1995-03-28 2002-08-26 日本電信電話株式会社 音響信号符号化方法、音響信号復号化方法
IT1281001B1 (it) 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
US5778335A (en) * 1996-02-26 1998-07-07 The Regents Of The University Of California Method and apparatus for efficient multiband celp wideband speech and music coding and decoding
US6570991B1 (en) 1996-12-18 2003-05-27 Interval Research Corporation Multi-feature speech/music discrimination system
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
AU3372199A (en) * 1998-03-30 1999-10-18 Voxware, Inc. Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment
US6330533B2 (en) 1998-08-24 2001-12-11 Conexant Systems, Inc. Speech encoder adaptively applying pitch preprocessing with warping of target signal
JP4359949B2 (ja) * 1998-10-22 2009-11-11 ソニー株式会社 信号符号化装置及び方法、並びに信号復号装置及び方法
US6310915B1 (en) 1998-11-20 2001-10-30 Harmonic Inc. Video transcoder with bitstream look ahead for rate control and statistical multiplexing
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding

Also Published As

Publication number Publication date
JP2010020346A (ja) 2010-01-28
DE60225381D1 (de) 2008-04-17
DE60225381T2 (de) 2009-04-23
EP1278184B1 (de) 2008-03-05
EP1278184A2 (de) 2003-01-22
JP5208901B2 (ja) 2013-06-12
JP2003044097A (ja) 2003-02-14
EP1278184A3 (de) 2004-08-18
US20030004711A1 (en) 2003-01-02
US6658383B2 (en) 2003-12-02

Similar Documents

Publication Publication Date Title
DE60225381D1 (de) Verfahren zur Kodierung von Sprach- und Musiksignalen
US10714103B2 (en) Apparatus for encoding and decoding of integrated speech and audio
KR101325335B1 (ko) 오디오 샘플 인코드 및 디코드용 오디오 인코더 및 디코더
US10121482B2 (en) Apparatus and method for encoding and decoding of integrated speech and audio utilizing a band expander with a spectral band replication (SBR) to output the SBR to either time or transform domain encoding according to the input signal characteristic
EP0770990A3 (de) Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung
KR20110043592A (ko) 샘플링된 오디오 신호의 프레임들을 인코딩 및 디코딩하기 위한 오디오 인코더 및 디코더
DE69614782D1 (de) Verfahren und Einrichtung zur Wiedergabe von Sprachsignalen und Verfahren zu seiner Übertragung
KR20130045349A (ko) 포워드 앨리어싱 취소를 이용한 코더
DE60038279D1 (de) Beitband Sprachkodierung mit parametrischer Kodierung des Hochfrequenzanteils
RU2454736C2 (ru) Способ и устройство обработки сигнала
CA2315324A1 (en) Speech signal decoding method and apparatus
JP3223966B2 (ja) 音声符号化／復号化装置
AU2013200680B2 (en) Audio encoder and decoder for encoding and decoding audio samples
EP1944760A3 (de) Sprachdatenverarbeitungsvorrichtung und -verarbeitungsverfahren
JP4826580B2 (ja) 音声信号の再生方法及び装置
EP3002751A1 (de) Audiocodierer und -decodierer zur codierung und decodierung von audioproben
BRPI0520115A2 (pt) métodos para codificar e para decodificar sinais de áudio e codificador e decodificador para sinais de áudio
Herre et al. 18. Perceptual Perceptual Audio Coding of Speech Signals
KR930006631A (ko) 켑스트럼 분석에 의한 음성 파형코딩의 피치변경
JP2010156740A (ja) 音声合成装置および音声処理システム

Legal Events

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