CA2779388C - Sbr bitstream parameter downmix - Google Patents

Sbr bitstream parameter downmix Download PDF

Info

Publication number
CA2779388C
CA2779388C CA2779388A CA2779388A CA2779388C CA 2779388 C CA2779388 C CA 2779388C CA 2779388 A CA2779388 A CA 2779388A CA 2779388 A CA2779388 A CA 2779388A CA 2779388 C CA2779388 C CA 2779388C
Authority
CA
Canada
Prior art keywords
target
source
sbr
frequency band
frequency
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.)
Active
Application number
CA2779388A
Other languages
English (en)
French (fr)
Other versions
CA2779388A1 (en
Inventor
Kristofer Kjoerling
Robin Thesing
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.)
Dolby International AB
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 CA2779388A1 publication Critical patent/CA2779388A1/en
Application granted granted Critical
Publication of CA2779388C publication Critical patent/CA2779388C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Optical Filters (AREA)
CA2779388A 2009-12-16 2010-12-14 Sbr bitstream parameter downmix Active CA2779388C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28691209P 2009-12-16 2009-12-16
US61/286,912 2009-12-16
PCT/EP2010/069651 WO2011073201A2 (en) 2009-12-16 2010-12-14 Sbr bitstream parameter downmix

Publications (2)

Publication Number Publication Date
CA2779388A1 CA2779388A1 (en) 2011-06-23
CA2779388C true CA2779388C (en) 2015-11-10

Family

ID=43733150

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2779388A Active CA2779388C (en) 2009-12-16 2010-12-14 Sbr bitstream parameter downmix

Country Status (14)

Country Link
US (1) US9508351B2 (enExample)
EP (1) EP2513899B1 (enExample)
JP (2) JP5298245B2 (enExample)
KR (1) KR101370870B1 (enExample)
CN (2) CN102667920B (enExample)
AU (1) AU2010332925B2 (enExample)
BR (1) BR112012014856B1 (enExample)
CA (1) CA2779388C (enExample)
IL (1) IL219506A (enExample)
MX (1) MX2012006823A (enExample)
MY (1) MY166998A (enExample)
RU (1) RU2526745C2 (enExample)
UA (1) UA101291C2 (enExample)
WO (1) WO2011073201A2 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2239732A1 (en) * 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding 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
TWI501580B (zh) 2009-08-07 2015-09-21 Dolby Int Ab 資料串流的鑑別
TWI413110B (zh) 2009-10-06 2013-10-21 Dolby Int Ab 以選擇性通道解碼的有效多通道信號處理
JP5771618B2 (ja) 2009-10-19 2015-09-02 ドルビー・インターナショナル・アーベー 音声オブジェクトの区分を示すメタデータ時間標識情報
ES3051142T3 (en) 2009-10-21 2025-12-26 Dolby Int Ab Oversampling in a combined transposer filter bank
US9047875B2 (en) * 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
TWI462087B (zh) * 2010-11-12 2014-11-21 Dolby Lab Licensing Corp 複數音頻信號之降混方法、編解碼方法及混合系統
CN102800317B (zh) * 2011-05-25 2014-09-17 华为技术有限公司 信号分类方法及设备、编解码方法及设备
US9070361B2 (en) * 2011-06-10 2015-06-30 Google Technology Holdings LLC Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
US10178489B2 (en) 2013-02-08 2019-01-08 Qualcomm Incorporated Signaling audio rendering information in a bitstream
RU2645271C2 (ru) 2013-04-05 2018-02-19 Долби Интернэшнл Аб Стереофонический кодер и декодер аудиосигналов
RU2665228C1 (ru) 2013-04-05 2018-08-28 Долби Интернэшнл Аб Аудиокодер и декодер для кодирования по форме волны с перемежением
US8804971B1 (en) * 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
EP2830053A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
TWI557726B (zh) * 2013-08-29 2016-11-11 杜比國際公司 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法
CN111292757B (zh) 2013-09-12 2024-05-24 杜比国际公司 基于qmf的处理数据的时间对齐
JP6863359B2 (ja) * 2014-03-24 2021-04-21 ソニーグループ株式会社 復号装置および方法、並びにプログラム
JP6439296B2 (ja) 2014-03-24 2018-12-19 ソニー株式会社 復号装置および方法、並びにプログラム
JP6371376B2 (ja) * 2014-03-27 2018-08-08 パイオニア株式会社 音響装置及び信号処理方法
WO2022214480A1 (en) 2021-04-06 2022-10-13 Dolby International Ab Encoding of envelope information of an audio downmix signal
US12469506B2 (en) * 2023-06-13 2025-11-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for audio decoding supporting two spectral band replication modes

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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
BRPI0415951B1 (pt) * 2003-10-30 2018-08-28 Coding Tech Ab método e codificador de áudio para codificar um sinal de áudio, e, método e decodificador de áudio para decodificar um sinal de áudio codificado
JP4867914B2 (ja) * 2004-03-01 2012-02-01 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 マルチチャンネルオーディオコーディング
CN1926610B (zh) 2004-03-12 2010-10-06 诺基亚公司 合成单声道音频信号的方法、音频解码器和编码系统
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
CN102013256B (zh) * 2005-07-14 2013-12-18 皇家飞利浦电子股份有限公司 用于生成多个输出音频通道的方法及设备
US20080221907A1 (en) * 2005-09-14 2008-09-11 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
JP4728398B2 (ja) * 2005-09-14 2011-07-20 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
KR101165640B1 (ko) * 2005-10-20 2012-07-17 엘지전자 주식회사 오디오 신호의 디코딩 및 인코딩 방법 및 그 장치
CN101292285B (zh) * 2005-10-20 2012-10-10 Lg电子株式会社 编码和解码多声道音频信号的方法及其装置
JP5154538B2 (ja) * 2006-03-29 2013-02-27 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 オーディオ復号
EP1853092B1 (en) * 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
DE102006049154B4 (de) * 2006-10-18 2009-07-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung eines Informationssignals
MX2010004220A (es) * 2007-10-17 2010-06-11 Fraunhofer Ges Forschung Codificacion de audio usando mezcla descendente.
ATE500588T1 (de) * 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
KR101413968B1 (ko) 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
RU2473140C2 (ru) * 2008-03-04 2013-01-20 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Устройство для микширования множества входных данных
KR20170013846A (ko) 2015-07-28 2017-02-07 주식회사 엘지화학 가소제 조성물, 수지 조성물 및 이들의 제조 방법

Also Published As

Publication number Publication date
JP2013511752A (ja) 2013-04-04
CN103854651B (zh) 2017-04-12
JP5298245B2 (ja) 2013-09-25
EP2513899A2 (en) 2012-10-24
AU2010332925A1 (en) 2012-05-31
RU2012124827A (ru) 2014-01-27
WO2011073201A3 (en) 2011-10-06
MY166998A (en) 2018-07-27
US9508351B2 (en) 2016-11-29
UA101291C2 (ru) 2013-03-11
MX2012006823A (es) 2012-07-23
US20120275607A1 (en) 2012-11-01
CN102667920B (zh) 2014-03-12
IL219506A (en) 2014-09-30
WO2011073201A2 (en) 2011-06-23
EP2513899B1 (en) 2018-02-14
JP5539573B2 (ja) 2014-07-02
RU2526745C2 (ru) 2014-08-27
JP2013210674A (ja) 2013-10-10
IL219506A0 (en) 2012-06-28
CA2779388A1 (en) 2011-06-23
BR112012014856B1 (pt) 2022-10-18
KR101370870B1 (ko) 2014-03-07
CN102667920A (zh) 2012-09-12
AU2010332925B2 (en) 2013-07-11
KR20120089333A (ko) 2012-08-09
CN103854651A (zh) 2014-06-11
BR112012014856A2 (enExample) 2021-11-03

Similar Documents

Publication Publication Date Title
US9508351B2 (en) SBR bitstream parameter downmix
US10546594B2 (en) Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program
US9659573B2 (en) Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program
US9583112B2 (en) Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program
US7555434B2 (en) Audio decoding device, decoding method, and program
US8639500B2 (en) Method, medium, and apparatus with bandwidth extension encoding and/or decoding
EP2750132A1 (en) Encoding device and method, decoding device and method, and program
US9672832B2 (en) Audio encoder, audio encoding method and program
US20100250260A1 (en) Encoder
AU2013242852B2 (en) Sbr bitstream parameter downmix
HK1170332B (en) Sbr bitstream parameter downmix
HK1170332A (en) Sbr bitstream parameter downmix

Legal Events

Date Code Title Description
EEER Examination request
MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 14TH ANNIV.) - STANDARD

Year of fee payment: 14

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241206

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241206

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241206

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 15TH ANNIV.) - STANDARD

Year of fee payment: 15

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251124

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251124