CA2808226C - Multichannel audio coding - Google Patents

Multichannel audio coding Download PDF

Info

Publication number
CA2808226C
CA2808226C CA2808226A CA2808226A CA2808226C CA 2808226 C CA2808226 C CA 2808226C CA 2808226 A CA2808226 A CA 2808226A CA 2808226 A CA2808226 A CA 2808226A CA 2808226 C CA2808226 C CA 2808226C
Authority
CA
Canada
Prior art keywords
subband
angle
channel
channels
audio
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
CA2808226A
Other languages
English (en)
French (fr)
Other versions
CA2808226A1 (en
Inventor
Mark Franklin Davis
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 Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Priority to CA2917518A priority Critical patent/CA2917518C/en
Priority claimed from CA2556575A external-priority patent/CA2556575C/en
Publication of CA2808226A1 publication Critical patent/CA2808226A1/en
Application granted granted Critical
Publication of CA2808226C publication Critical patent/CA2808226C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

CA2808226A 2004-03-01 2005-02-28 Multichannel audio coding Active CA2808226C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2917518A CA2917518C (en) 2004-03-01 2005-02-28 Multichannel audio coding

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US54936804P 2004-03-01 2004-03-01
US60/549,368 2004-03-01
US57997404P 2004-06-14 2004-06-14
US60/579,974 2004-06-14
US58825604P 2004-07-14 2004-07-14
US60/588,256 2004-07-14
CA2556575A CA2556575C (en) 2004-03-01 2005-02-28 Multichannel audio coding

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2556575A Division CA2556575C (en) 2004-03-01 2005-02-28 Multichannel audio coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2917518A Division CA2917518C (en) 2004-03-01 2005-02-28 Multichannel audio coding

Publications (2)

Publication Number Publication Date
CA2808226A1 CA2808226A1 (en) 2005-09-15
CA2808226C true CA2808226C (en) 2016-07-19

Family

ID=37818223

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2808226A Active CA2808226C (en) 2004-03-01 2005-02-28 Multichannel audio coding

Country Status (2)

Country Link
CN (1) CN101552007B (zh)
CA (1) CA2808226C (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012006770A1 (en) * 2010-07-12 2012-01-19 Huawei Technologies Co., Ltd. Audio signal generator
US9171549B2 (en) 2011-04-08 2015-10-27 Dolby Laboratories Licensing Corporation Automatic configuration of metadata for use in mixing audio programs from two encoded bitstreams
CN109712630B (zh) * 2013-05-24 2023-05-30 杜比国际公司 包括音频对象的音频场景的高效编码
EP3293734B1 (en) * 2013-09-12 2019-05-15 Dolby International AB Decoding of multichannel audio content
TWI557724B (zh) * 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
ES2732859T3 (es) * 2014-05-01 2019-11-26 Nippon Telegraph & Telephone Codificador, descodificador, método de codificación, método de descodificación, programa de codificación, programa de descodificación y medio de grabación
AU2017357454B2 (en) * 2016-11-08 2021-02-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation
CN112037803B (zh) * 2020-05-08 2023-09-29 珠海市杰理科技股份有限公司 音频编码方法及装置、电子设备、存储介质
CN112885329B (zh) * 2021-02-02 2023-10-31 广州广哈通信股份有限公司 一种提高混音音质的控制方法、装置及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991020164A1 (en) * 1990-06-15 1991-12-26 Auris Corp. Method for eliminating the precedence effect in stereophonic sound systems and recording made with said method
KR20040080003A (ko) * 2002-02-18 2004-09-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 파라메트릭 오디오 코딩
EP1500084B1 (en) * 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio

Also Published As

Publication number Publication date
CA2808226A1 (en) 2005-09-15
CN101552007B (zh) 2013-06-05
CN101552007A (zh) 2009-10-07

Similar Documents

Publication Publication Date Title
US11308969B2 (en) Methods and apparatus for reconstructing audio signals with decorrelation and differentially coded parameters
CA2808226C (en) Multichannel audio coding

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130227