BR112017006325B1 - Método de decodificação e decodificador para o realce de diálogo - Google Patents

Método de decodificação e decodificador para o realce de diálogo Download PDF

Info

Publication number
BR112017006325B1
BR112017006325B1 BR112017006325-5A BR112017006325A BR112017006325B1 BR 112017006325 B1 BR112017006325 B1 BR 112017006325B1 BR 112017006325 A BR112017006325 A BR 112017006325A BR 112017006325 B1 BR112017006325 B1 BR 112017006325B1
Authority
BR
Brazil
Prior art keywords
dialogue
parameters
subset
channels
downmix signals
Prior art date
Application number
BR112017006325-5A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112017006325A2 (pt
Inventor
Jeroen KOPPENS
Per Ekstrand
Original Assignee
Dolby International 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 Dolby International Ab filed Critical Dolby International Ab
Publication of BR112017006325A2 publication Critical patent/BR112017006325A2/pt
Publication of BR112017006325B1 publication Critical patent/BR112017006325B1/pt

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
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Telephonic Communication Services (AREA)
BR112017006325-5A 2014-10-02 2015-09-30 Método de decodificação e decodificador para o realce de diálogo BR112017006325B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462059015P 2014-10-02 2014-10-02
US62/059,015 2014-10-02
US201562128331P 2015-03-04 2015-03-04
US62/128,331 2015-03-04
PCT/EP2015/072578 WO2016050854A1 (en) 2014-10-02 2015-09-30 Decoding method and decoder for dialog enhancement

Publications (2)

Publication Number Publication Date
BR112017006325A2 BR112017006325A2 (pt) 2018-01-16
BR112017006325B1 true BR112017006325B1 (pt) 2023-12-26

Family

ID=54199263

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017006325-5A BR112017006325B1 (pt) 2014-10-02 2015-09-30 Método de decodificação e decodificador para o realce de diálogo

Country Status (19)

Country Link
US (1) US10170131B2 (https=)
EP (1) EP3201918B1 (https=)
JP (1) JP6728146B2 (https=)
KR (1) KR102426965B1 (https=)
CN (1) CN106796804B (https=)
AU (1) AU2015326856B2 (https=)
BR (1) BR112017006325B1 (https=)
CA (1) CA2962806C (https=)
DK (1) DK3201918T3 (https=)
ES (1) ES2709327T3 (https=)
IL (1) IL251263B (https=)
MX (1) MX364166B (https=)
MY (1) MY179448A (https=)
PL (1) PL3201918T3 (https=)
RU (1) RU2701055C2 (https=)
SG (1) SG11201702301SA (https=)
TW (1) TWI575510B (https=)
UA (1) UA120372C2 (https=)
WO (1) WO2016050854A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA120372C2 (uk) * 2014-10-02 2019-11-25 Долбі Інтернешнл Аб Спосіб декодування і декодер для посилення діалогу
CN106303897A (zh) 2015-06-01 2017-01-04 杜比实验室特许公司 处理基于对象的音频信号
CN108702582B (zh) * 2016-01-29 2020-11-06 杜比实验室特许公司 用于双耳对话增强的方法和装置
TWI658458B (zh) * 2018-05-17 2019-05-01 張智星 歌聲分離效能提升之方法、非暫態電腦可讀取媒體及電腦程式產品
WO2020216459A1 (en) * 2019-04-23 2020-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating an output downmix representation
JP7810612B2 (ja) * 2022-06-16 2026-02-03 シャープ株式会社 放送システム、受信機、受信方法、及びプログラム

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6463410B1 (en) * 1998-10-13 2002-10-08 Victor Company Of Japan, Ltd. Audio signal processing apparatus
US7158933B2 (en) 2001-05-11 2007-01-02 Siemens Corporate Research, Inc. Multi-channel speech enhancement system and method based on psychoacoustic masking effects
US7787640B2 (en) 2003-04-24 2010-08-31 Massachusetts Institute Of Technology System and method for spectral enhancement employing compression and expansion
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
KR20050049103A (ko) 2003-11-21 2005-05-25 삼성전자주식회사 포만트 대역을 이용한 다이얼로그 인핸싱 방법 및 장치
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
PL1866912T3 (pl) 2005-03-30 2011-03-31 Koninl Philips Electronics Nv Kodowanie wielokanałowego sygnału audio
RU2376655C2 (ru) * 2005-04-19 2009-12-20 Коудинг Текнолоджиз Аб Зависящее от энергии квантование для эффективного кодирования пространственных параметров звука
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US8494667B2 (en) 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1913576A2 (en) 2005-06-30 2008-04-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1906706B1 (en) * 2005-07-15 2009-11-25 Panasonic Corporation Audio decoder
EP1999997B1 (en) * 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enhanced method for signal shaping in multi-channel audio reconstruction
CN101411214B (zh) 2006-03-28 2011-08-10 艾利森电话股份有限公司 用于多信道环绕声音的解码器的方法和装置
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
TWI308739B (en) 2006-06-23 2009-04-11 Mstar Semiconductor Inc Audio processing circuit and method
WO2008006108A2 (en) 2006-07-07 2008-01-10 Srs Labs, Inc. Systems and methods for multi-dialog surround audio
WO2008035227A2 (en) 2006-09-14 2008-03-27 Lg Electronics Inc. Dialogue enhancement techniques
US7463170B2 (en) 2006-11-30 2008-12-09 Broadcom Corporation Method and system for processing multi-rate audio from a plurality of audio processing sources
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
JP5140684B2 (ja) 2007-02-12 2013-02-06 ドルビー ラボラトリーズ ライセンシング コーポレイション 高齢又は聴覚障害聴取者のための非スピーチオーディオに対するスピーチオーディオの改善された比率
KR101336237B1 (ko) * 2007-03-02 2013-12-03 삼성전자주식회사 멀티 채널 스피커 시스템의 멀티 채널 신호 재생 방법 및장치
JP5133401B2 (ja) 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット 出力信号の合成装置及び合成方法
JP5883561B2 (ja) * 2007-10-17 2016-03-15 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ アップミックスを使用した音声符号器
AU2009274456B2 (en) * 2008-04-18 2011-08-25 Dolby Laboratories Licensing Corporation Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
US8315396B2 (en) * 2008-07-17 2012-11-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio output signals using object based metadata
US8639502B1 (en) 2009-02-16 2014-01-28 Arrowhead Center, Inc. Speaker model-based speech enhancement system
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
WO2010122455A1 (en) 2009-04-21 2010-10-28 Koninklijke Philips Electronics N.V. Audio signal synthesizing
US8204742B2 (en) 2009-09-14 2012-06-19 Srs Labs, Inc. System for processing an audio signal to enhance speech intelligibility
KR101387195B1 (ko) * 2009-10-05 2014-04-21 하만인터내셔날인더스트리스인코포레이티드 오디오 신호의 공간 추출 시스템
MX2012004648A (es) * 2009-10-20 2012-05-29 Fraunhofer Ges Forschung Codificacion de señal de audio, decodificador de señal de audio, metodo para codificar o decodificar una señal de audio utilizando una cancelacion del tipo aliasing.
US9324337B2 (en) * 2009-11-17 2016-04-26 Dolby Laboratories Licensing Corporation Method and system for dialog enhancement
TWI459828B (zh) * 2010-03-08 2014-11-01 Dolby Lab Licensing Corp 在多頻道音訊中決定語音相關頻道的音量降低比例的方法及系統
MY207992A (en) * 2011-07-01 2025-04-03 Dolby Laboratories Licensing Corp System and method for adaptive audio signal generation, coding and rendering
WO2013006342A1 (en) 2011-07-01 2013-01-10 Dolby Laboratories Licensing Corporation Synchronization and switchover methods and systems for an adaptive audio system
US8615394B1 (en) 2012-01-27 2013-12-24 Audience, Inc. Restoration of noise-reduced speech
EP2690621A1 (en) * 2012-07-26 2014-01-29 Thomson Licensing Method and Apparatus for downmixing MPEG SAOC-like encoded audio signals at receiver side in a manner different from the manner of downmixing at encoder side
US9055362B2 (en) 2012-12-19 2015-06-09 Duo Zhang Methods, apparatus and systems for individualizing audio, music and speech adaptively, intelligently and interactively
MY204539A (en) 2013-05-24 2024-09-03 Dolby Int Ab Coding of audio scenes
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
UA120372C2 (uk) * 2014-10-02 2019-11-25 Долбі Інтернешнл Аб Спосіб декодування і декодер для посилення діалогу

Also Published As

Publication number Publication date
TWI575510B (zh) 2017-03-21
EP3201918B1 (en) 2018-12-12
CN106796804B (zh) 2020-09-18
AU2015326856A1 (en) 2017-04-06
RU2017110842A3 (https=) 2019-05-15
KR102426965B1 (ko) 2022-08-01
CA2962806A1 (en) 2016-04-07
WO2016050854A1 (en) 2016-04-07
US20170309288A1 (en) 2017-10-26
BR112017006325A2 (pt) 2018-01-16
JP2017534904A (ja) 2017-11-24
MX2017004194A (es) 2017-05-19
US10170131B2 (en) 2019-01-01
IL251263B (en) 2019-07-31
SG11201702301SA (en) 2017-04-27
TW201627983A (zh) 2016-08-01
DK3201918T3 (en) 2019-02-25
AU2015326856B2 (en) 2021-04-08
UA120372C2 (uk) 2019-11-25
ES2709327T3 (es) 2019-04-16
JP6728146B2 (ja) 2020-07-22
RU2701055C2 (ru) 2019-09-24
IL251263A0 (en) 2017-05-29
MX364166B (es) 2019-04-15
RU2017110842A (ru) 2018-10-01
KR20170063667A (ko) 2017-06-08
CA2962806C (en) 2023-03-14
MY179448A (en) 2020-11-06
EP3201918A1 (en) 2017-08-09
PL3201918T3 (pl) 2019-04-30
CN106796804A (zh) 2017-05-31

Similar Documents

Publication Publication Date Title
BR112017006325B1 (pt) Método de decodificação e decodificador para o realce de diálogo
JP5158814B2 (ja) 減数されたチャネルへの復号化
KR101761569B1 (ko) 오디오 현장의 코딩
TWI330826B (en) Decoder, method of generating parametric information, encoding, transmitting, receiving, audio recording and audio playing apparatus and method, transmission system, and digital and computer program storage medium
JP6640849B2 (ja) マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード
BR112016017589B1 (pt) Indicação de reusabilidade de parâmetros de quadros para vetores de codificação
US10163446B2 (en) Audio encoder and decoder
BR112016008817B1 (pt) Método para reconstruir um sinal de áudio de n canais, sistema de decodificação de áudio, método para codificar um sinal de áudio de n canais e sistema de codificação de áudio
BR112015019526B1 (pt) MÉTODO E APARELHO PARA APRIMORAR A DIRETIVIDADE DE UM SINAL AMBISONICS DE 1ª ORDEM E MEIO DE ARMAZENAMENTO LEGÍVEL POR COMPUTADOR NÃO TRANSITÓRIO.
BRPI1005299B1 (pt) aparelho e método para realizar o upmmix em um sinal de áudio downmix
BR112016006323B1 (pt) Conceito para gerar um sinal de downmix
HK1235540A1 (en) Decoding method and decoder for dialog enhancement
HK1235540B (en) Decoding method and decoder for dialog enhancement
BR112017006278B1 (pt) Método para aprimorar o diálogo num decodificador em um sistema de áudio e decodificador
BR122020012403B1 (pt) Método e aparelho para determinar uma matriz de decodificação para decodificar um sinal de áudio codificado, e meio de armazenamento legível por computador
BR122020018157B1 (pt) Método para reconstruir um sinal de áudio de n canais, sistema de decodificação de áudio, método para codificar um sinal de áudio de n canais e sistema de codificação de áudio

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09Y Publication of grant cancelled [chapter 9.1.2 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 9.1 NA RPI NO 2713 DE 03/01/2023 POR TER SIDO INDEVIDA.

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/09/2015, OBSERVADAS AS CONDICOES LEGAIS