MX362424B - Codificador y decodificador de audio usando un procesador de dominio de frecuencia con un relleno de intervalo de banda completa y un procesador de dominio de tiempo. - Google Patents

Codificador y decodificador de audio usando un procesador de dominio de frecuencia con un relleno de intervalo de banda completa y un procesador de dominio de tiempo.

Info

Publication number
MX362424B
MX362424B MX2017001235A MX2017001235A MX362424B MX 362424 B MX362424 B MX 362424B MX 2017001235 A MX2017001235 A MX 2017001235A MX 2017001235 A MX2017001235 A MX 2017001235A MX 362424 B MX362424 B MX 362424B
Authority
MX
Mexico
Prior art keywords
audio signal
encoded
spectral
encoding
domain processor
Prior art date
Application number
MX2017001235A
Other languages
English (en)
Other versions
MX2017001235A (es
Inventor
Grill Bernhard
schubert Benjamin
Schnell Markus
Neusinger Matthias
Ravelli Emmanuel
Fuchs Guillaume
Multrus Markus
Dietz Martin
Disch Sascha
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2017001235A publication Critical patent/MX2017001235A/es
Publication of MX362424B publication Critical patent/MX362424B/es

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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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • 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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Un codificador de audio para codificar una senal de audio, comprende: un primer procesador de codificacion (600) para codificar una primera porcion de senal de audio en un dominio de frecuencia, en donde el primer procesador de codificacion (600) comprende: un conversor de frecuencia y de tiempo (602) para convertir la primera porcion de senal de audio en una representacion de un dominio de frecuencia que tiene lineas espectrales hasta una frecuencia maxima de la primera porcion de senal de audio; un analizador (604) para analizar la representacion del dominio de frecuencia hasta la frecuencia maxima para determinar primeras porciones espectrales para codificar con una primera resolucion espectral y segundas regiones espectrales para codificar con una segunda resolucion espectral, donde la segunda resolucion espectral es inferior a la primera resolucion espectral; un codificador espectral (606) para codificar las primeras porciones espectrales con la primera resolucion espectral y para codificar las segundas porciones espectrales con la segunda resolucion espectral; un segundo procesador de codificacion (610) para codificar una segunda porcion de senal de audio diferente en el dominio de tiempo; un controlador (620) configurado para analizar la senal de audio y para determinar que porcion de la senal de audio es la primera porcion de senal de audio codificada en el dominio de frecuencia y que porcion de la senal de audio es la segunda porcion de senal de audio codificada en el dominio de tiempo; y un formador de senales codificadas (630) para formar una senal de audio codificada que comprende una primera porcion de senales codificadas para la primera porcion de senal de audio y una segunda porcion de senales codificadas para la segunda porcion de senales de audio.
MX2017001235A 2014-07-28 2015-07-24 Codificador y decodificador de audio usando un procesador de dominio de frecuencia con un relleno de intervalo de banda completa y un procesador de dominio de tiempo. MX362424B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14178817.4A EP2980794A1 (en) 2014-07-28 2014-07-28 Audio encoder and decoder using a frequency domain processor and a time domain processor
PCT/EP2015/067003 WO2016016123A1 (en) 2014-07-28 2015-07-24 Audio encoder and decoder using a frequency domain processor with full-band gap filling and a time domain processor

Publications (2)

Publication Number Publication Date
MX2017001235A MX2017001235A (es) 2017-07-07
MX362424B true MX362424B (es) 2019-01-17

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Country Status (19)

Country Link
US (5) US10332535B2 (es)
EP (4) EP2980794A1 (es)
JP (4) JP6549217B2 (es)
KR (1) KR102009210B1 (es)
CN (6) CN113948100A (es)
AR (1) AR101344A1 (es)
AU (1) AU2015295605B2 (es)
BR (5) BR122022012519B1 (es)
CA (1) CA2955095C (es)
ES (2) ES2972128T3 (es)
MX (1) MX362424B (es)
MY (1) MY187280A (es)
PL (2) PL3186809T3 (es)
PT (1) PT3186809T (es)
RU (1) RU2671997C2 (es)
SG (1) SG11201700685XA (es)
TR (1) TR201908602T4 (es)
TW (1) TWI570710B (es)
WO (1) WO2016016123A1 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
PT3696813T (pt) 2016-04-12 2022-12-23 Fraunhofer Ges Forschung Codificador de áudio para codificar um sinal de áudio, método para codificar um sinal de áudio e programa de computador sob consideração de uma região espectral de pico detetada numa banda de frequência superior
JP6976277B2 (ja) 2016-06-22 2021-12-08 ドルビー・インターナショナル・アーベー 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法
US10249307B2 (en) 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate
EP3288031A1 (en) * 2016-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding an audio signal using a compensation value
TWI752166B (zh) * 2017-03-23 2022-01-11 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
EP3382704A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for determining a predetermined characteristic related to a spectral enhancement processing of an audio signal
SG11202000510VA (en) 2017-07-28 2020-02-27 Fraunhofer Ges Forschung Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter
EP3701527B1 (en) * 2017-10-27 2023-08-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating a bandwidth-enhanced audio signal using a neural network processor
AU2019298307A1 (en) * 2018-07-04 2021-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multisignal audio coding using signal whitening as preprocessing
US10911013B2 (en) 2018-07-05 2021-02-02 Comcast Cable Communications, Llc Dynamic audio normalization process
CN109215670B (zh) * 2018-09-21 2021-01-29 西安蜂语信息科技有限公司 音频数据的传输方法、装置、计算机设备和存储介质
EP3671741A1 (en) * 2018-12-21 2020-06-24 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Audio processor and method for generating a frequency-enhanced audio signal using pulse processing
TWI703559B (zh) * 2019-07-08 2020-09-01 瑞昱半導體股份有限公司 音效編碼解碼電路及音頻資料的處理方法
CN110794273A (zh) * 2019-11-19 2020-02-14 哈尔滨理工大学 含有高压驱动保护电极的电位时域谱测试***
JP7470800B2 (ja) 2020-01-13 2024-04-18 華為技術有限公司 オーディオ・エンコードおよびデコード方法ならびにオーディオ・エンコードおよびデコード装置
KR20220046324A (ko) 2020-10-07 2022-04-14 삼성전자주식회사 인공 신경망을 이용한 추론을 위한 트레이닝 방법, 인공 신경망을 이용한 추론 방법, 및 추론 장치
TWI752682B (zh) * 2020-10-21 2022-01-11 國立陽明交通大學 雲端更新語音辨識系統的方法
CN113035205B (zh) * 2020-12-28 2022-06-07 阿里巴巴（中国）有限公司 音频丢包补偿处理方法、装置及电子设备
EP4120253A1 (en) * 2021-07-14 2023-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Integral band-wise parametric coder

Family Cites Families (128)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE211326T1 (de) * 1993-05-31 2002-01-15 Sony Corp Verfahren und vorrichtung zum kodieren oder dekodieren von signalen und aufzeichnungsmedium
JP3465697B2 (ja) 1993-05-31 2003-11-10 ソニー株式会社 信号記録媒体
DE69620967T2 (de) 1995-09-19 2002-11-07 At & T Corp Synthese von Sprachsignalen in Abwesenheit kodierter Parameter
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3364825B2 (ja) 1996-05-29 2003-01-08 三菱電機株式会社 音声符号化装置および音声符号化復号化装置
US6134518A (en) 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
US6968564B1 (en) 2000-04-06 2005-11-22 Nielsen Media Research, Inc. Multi-band spectral audio encoding
US6996198B2 (en) * 2000-10-27 2006-02-07 At&T Corp. Nonuniform oversampled filter banks for audio signal processing
DE10102155C2 (de) * 2001-01-18 2003-01-09 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms
FI110729B (fi) 2001-04-11 2003-03-14 Nokia Corp Menetelmä pakatun audiosignaalin purkamiseksi
US6988066B2 (en) * 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
JP3876781B2 (ja) * 2002-07-16 2007-02-07 ソニー株式会社 受信装置および受信方法、記録媒体、並びにプログラム
KR100547113B1 (ko) * 2003-02-15 2006-01-26 삼성전자주식회사 오디오 데이터 인코딩 장치 및 방법
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
KR100940531B1 (ko) * 2003-07-16 2010-02-10 삼성전자주식회사 광대역 음성 신호 압축 및 복원 장치와 그 방법
EP1659696B1 (en) * 2003-08-28 2012-03-21 Sony Corporation Trellis decoding of run-length limited codes having a code table of variable input length
JP4679049B2 (ja) 2003-09-30 2011-04-27 パナソニック株式会社 スケーラブル復号化装置
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
KR100561869B1 (ko) * 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
US7739120B2 (en) 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
MXPA06012617A (es) 2004-05-17 2006-12-15 Nokia Corp Codificacion de audio con diferentes longitudes de cuadro de codificacion.
US7596486B2 (en) 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US9184953B2 (en) 2004-12-14 2015-11-10 Intel Corporation Programmable signal processing circuit and method of demodulating via a demapping instruction
US8170221B2 (en) * 2005-03-21 2012-05-01 Harman Becker Automotive Systems Gmbh Audio enhancement system and method
KR100707186B1 (ko) * 2005-03-24 2007-04-13 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체
AU2006232364B2 (en) 2005-04-01 2010-11-25 Qualcomm Incorporated Systems, methods, and apparatus for wideband speech coding
CN102163429B (zh) 2005-04-15 2013-04-10 杜比国际公司 用于处理去相干信号或组合信号的设备和方法
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
WO2007007672A1 (ja) * 2005-07-07 2007-01-18 Nippon Telegraph And Telephone Corporation 信号の符号化装置、復号化装置、方法、プログラム、記録媒体、及び信号のコーデック方法
US7974713B2 (en) 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
JP4876574B2 (ja) 2005-12-26 2012-02-15 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
JP5188990B2 (ja) 2006-02-22 2013-04-24 フランス・テレコム Ｃｅｌｐ技術における、デジタルオーディオ信号の改善された符号化／復号化
RU2393646C1 (ru) 2006-03-28 2010-06-27 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Усовершенствованный способ для формирования сигнала при восстановлении многоканального аудио
JP2008033269A (ja) * 2006-06-26 2008-02-14 Sony Corp デジタル信号処理装置、デジタル信号処理方法およびデジタル信号の再生装置
RU2418322C2 (ru) * 2006-06-30 2011-05-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодер, аудиодекодер и аудиопроцессор, имеющий динамически изменяющуюся характеристику перекоса
DE602006002739D1 (de) 2006-06-30 2008-10-23 Fraunhofer Ges Forschung Audiokodierer, Audiodekodierer und Audioprozessor mit einer dynamisch variablen Warp-Charakteristik
US7873511B2 (en) 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
WO2008046492A1 (en) * 2006-10-20 2008-04-24 Dolby Sweden Ab Apparatus and method for encoding an information signal
EP2116997A4 (en) 2007-03-02 2011-11-23 Panasonic Corp AUDIO DECODING DEVICE AND AUDIO DECODING METHOD
KR101261524B1 (ko) 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
KR101411900B1 (ko) 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
RU2439721C2 (ru) 2007-06-11 2012-01-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Аудиокодер для кодирования аудиосигнала, имеющего импульсоподобную и стационарную составляющие, способы кодирования, декодер, способ декодирования и кодированный аудиосигнал
EP2015293A1 (en) * 2007-06-14 2009-01-14 Deutsche Thomson OHG Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain
PT2571024E (pt) * 2007-08-27 2014-12-23 Ericsson Telefon Ab L M Frequência de transição adaptativa entre preenchimento de ruído e extensão da largura de banda
US8515767B2 (en) * 2007-11-04 2013-08-20 Qualcomm Incorporated Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
CN101221766B (zh) * 2008-01-23 2011-01-05 清华大学 音频编码器切换的方法
CN101971251B (zh) * 2008-03-14 2012-08-08 杜比实验室特许公司 像言语的信号和不像言语的信号的多模式编解码方法及装置
PL2346029T3 (pl) 2008-07-11 2013-11-29 Fraunhofer Ges Forschung Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowy
AU2013200680B2 (en) 2008-07-11 2015-01-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and decoder for encoding and decoding audio samples
EP2144171B1 (en) 2008-07-11 2018-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding and decoding frames of a sampled audio signal
RU2515704C2 (ru) 2008-07-11 2014-05-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодер и аудиодекодер для кодирования и декодирования отсчетов аудиосигнала
KR101400484B1 (ko) * 2008-07-11 2014-05-28 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
BRPI0910784B1 (pt) 2008-07-11 2022-02-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Codificador e decodificador de áudio para estruturas de codificação de sinais de áudio amostrados
EP2144230A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
EP2304723B1 (en) * 2008-07-11 2012-10-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus and a method for decoding an encoded audio signal
EP2144231A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
KR20100007738A (ko) 2008-07-14 2010-01-22 한국전자통신연구원 음성/오디오 통합 신호의 부호화/복호화 장치
PL2146344T3 (pl) * 2008-07-17 2017-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście
CN102257728B (zh) 2008-10-17 2014-11-26 夏普株式会社 音频信号调节设备及音频信号调节方法
US8364471B2 (en) * 2008-11-04 2013-01-29 Lg Electronics Inc. Apparatus and method for processing a time domain audio signal with a noise filling flag
GB2466666B (en) * 2009-01-06 2013-01-23 Skype Speech coding
KR101589942B1 (ko) * 2009-01-16 2016-01-29 돌비 인터네셔널 에이비 외적 향상 고조파 전치
US8457975B2 (en) * 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
TWI662788B (zh) * 2009-02-18 2019-06-11 瑞典商杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
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
EP2234103B1 (en) 2009-03-26 2011-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device and method for manipulating an audio signal
RU2452044C1 (ru) 2009-04-02 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот
US8391212B2 (en) * 2009-05-05 2013-03-05 Huawei Technologies Co., Ltd. System and method for frequency domain audio post-processing based on perceptual masking
KR20100136890A (ko) * 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
EP2273493B1 (en) * 2009-06-29 2012-12-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Bandwidth extension encoding and decoding
US8892427B2 (en) * 2009-07-27 2014-11-18 Industry-Academic Cooperation Foundation, Yonsei University Method and an apparatus for processing an audio signal
GB2473266A (en) * 2009-09-07 2011-03-09 Nokia Corp An improved filter bank
GB2473267A (en) * 2009-09-07 2011-03-09 Nokia Corp Processing audio signals to reduce noise
WO2011042464A1 (en) 2009-10-08 2011-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping
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
ES2453098T3 (es) * 2009-10-20 2014-04-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Códec multimodo de audio
KR101411759B1 (ko) * 2009-10-20 2014-06-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호 인코더, 오디오 신호 디코더, 앨리어싱-소거를 이용하여 오디오 신호를 인코딩 또는 디코딩하는 방법
US8484020B2 (en) * 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
US9117458B2 (en) * 2009-11-12 2015-08-25 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
PL2545553T3 (pl) * 2010-03-09 2015-01-30 Fraunhofer Ges Forschung Urządzenie i sposób do przetwarzania sygnału audio z użyciem zrównania granicy obszaru
EP2375409A1 (en) * 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
EP3779977B1 (en) * 2010-04-13 2023-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder for processing stereo audio using a variable prediction direction
US8886523B2 (en) * 2010-04-14 2014-11-11 Huawei Technologies Co., Ltd. Audio decoding based on audio class with control code for post-processing modes
CN101964189B (zh) 2010-04-28 2012-08-08 华为技术有限公司 语音频信号切换方法及装置
WO2011156905A2 (en) * 2010-06-17 2011-12-22 Voiceage Corporation Multi-rate algebraic vector quantization with supplemental coding of missing spectrum sub-bands
PL3451333T3 (pl) * 2010-07-08 2023-01-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder wykorzystujący kasowanie aliasingu w przód
PL3288032T3 (pl) * 2010-07-19 2019-08-30 Dolby International Ab Przetwarzanie sygnałów audio podczas rekonstrukcji wysokiej częstotliwości
US9047875B2 (en) * 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
US8560330B2 (en) * 2010-07-19 2013-10-15 Futurewei Technologies, Inc. Energy envelope perceptual correction for high band coding
JP5749462B2 (ja) * 2010-08-13 2015-07-15 株式会社Ｎｔｔドコモ オーディオ復号装置、オーディオ復号方法、オーディオ復号プログラム、オーディオ符号化装置、オーディオ符号化方法、及び、オーディオ符号化プログラム
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
PL2625688T3 (pl) * 2010-10-06 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób do przetwarzania sygnału audio i do dostarczania wyższej granulacji czasowej dla połączonego kodeka mowy i audio (USAC)
EP2619758B1 (en) * 2010-10-15 2015-08-19 Huawei Technologies Co., Ltd. Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis
EP2649614B1 (en) 2010-12-09 2015-11-04 Dolby International AB Psychoacoustic filter design for rational resamplers
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
EP2657933B1 (en) * 2010-12-29 2016-03-02 Samsung Electronics Co., Ltd Coding apparatus and decoding apparatus with bandwidth extension
JP2012242785A (ja) 2011-05-24 2012-12-10 Sony Corp 信号処理装置、信号処理方法、およびプログラム
US8731949B2 (en) * 2011-06-30 2014-05-20 Zte Corporation Method and system for audio encoding and decoding and method for estimating noise level
US9037456B2 (en) * 2011-07-26 2015-05-19 Google Technology Holdings LLC Method and apparatus for audio coding and decoding
US9043201B2 (en) 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
CN103428819A (zh) 2012-05-24 2013-12-04 富士通株式会社 一种载波频点搜索方法和装置
CN104380376B (zh) * 2012-06-14 2017-03-15 杜比国际公司 解码***、重构方法和设备、编码***、方法和设备及音频发布***
US9589570B2 (en) 2012-09-18 2017-03-07 Huawei Technologies Co., Ltd. Audio classification based on perceptual quality for low or medium bit rates
CN110223704B (zh) * 2013-01-29 2023-09-15 弗劳恩霍夫应用研究促进协会 对音频信号的频谱执行噪声填充的装置
US9741350B2 (en) 2013-02-08 2017-08-22 Qualcomm Incorporated Systems and methods of performing gain control
CN110232929B (zh) 2013-02-20 2023-06-13 弗劳恩霍夫应用研究促进协会 用于对音频信号进行译码的译码器和方法
RU2688247C2 (ru) * 2013-06-11 2019-05-21 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для расширения диапазона частот для акустических сигналов
EP2830064A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
CN104517610B (zh) * 2013-09-26 2018-03-06 华为技术有限公司 频带扩展的方法及装置
FR3011408A1 (fr) * 2013-09-30 2015-04-03 Orange Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard
SG10201609186UA (en) * 2013-10-31 2016-12-29 Fraunhofer Ges Forschung Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal
FR3013496A1 (fr) * 2013-11-15 2015-05-22 Orange Transition d'un codage/decodage par transformee vers un codage/decodage predictif
US20150149157A1 (en) 2013-11-22 2015-05-28 Qualcomm Incorporated Frequency domain gain shape estimation
FR3017484A1 (fr) * 2014-02-07 2015-08-14 Orange Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
CN103905834B (zh) 2014-03-13 2017-08-15 深圳创维－Rgb电子有限公司 音频数据编码格式转换的方法及装置
BR112016020988B1 (pt) * 2014-03-14 2022-08-30 Telefonaktiebolaget Lm Ericsson (Publ) Método e codificador para codificação de um sinal de áudio, e, dispositivo de comunicação
US9583115B2 (en) * 2014-06-26 2017-02-28 Qualcomm Incorporated Temporal gain adjustment based on high-band signal characteristic
FR3023036A1 (fr) * 2014-06-27 2016-01-01 Orange Re-echantillonnage par interpolation d'un signal audio pour un codage / decodage a bas retard
EP2980794A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
FR3024582A1 (fr) * 2014-07-29 2016-02-05 Orange Gestion de la perte de trame dans un contexte de transition fd/lpd

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