JP4434951B2 - オーディオチャンネルの空間的変換 - Google Patents

オーディオチャンネルの空間的変換 Download PDF

Info

Publication number
JP4434951B2
JP4434951B2 JP2004530877A JP2004530877A JP4434951B2 JP 4434951 B2 JP4434951 B2 JP 4434951B2 JP 2004530877 A JP2004530877 A JP 2004530877A JP 2004530877 A JP2004530877 A JP 2004530877A JP 4434951 B2 JP4434951 B2 JP 4434951B2
Authority
JP
Japan
Prior art keywords
input
output
variable
input signal
scale factor
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.)
Expired - Lifetime
Application number
JP2004530877A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005535266A5 (es
JP2005535266A (ja
Inventor
デイビス、マーク・フランクリン
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 claimed from PCT/US2003/024570 external-priority patent/WO2004019656A2/en
Publication of JP2005535266A publication Critical patent/JP2005535266A/ja
Publication of JP2005535266A5 publication Critical patent/JP2005535266A5/ja
Application granted granted Critical
Publication of JP4434951B2 publication Critical patent/JP4434951B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Machine Translation (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
JP2004530877A 2002-08-07 2003-08-06 オーディオチャンネルの空間的変換 Expired - Lifetime JP4434951B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40198302P 2002-08-07 2002-08-07
PCT/US2003/024570 WO2004019656A2 (en) 2001-02-07 2003-08-06 Audio channel spatial translation

Publications (3)

Publication Number Publication Date
JP2005535266A JP2005535266A (ja) 2005-11-17
JP2005535266A5 JP2005535266A5 (es) 2009-11-12
JP4434951B2 true JP4434951B2 (ja) 2010-03-17

Family

ID=33489220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004530877A Expired - Lifetime JP4434951B2 (ja) 2002-08-07 2003-08-06 オーディオチャンネルの空間的変換

Country Status (17)

Country Link
EP (1) EP1527655B1 (es)
JP (1) JP4434951B2 (es)
KR (1) KR100988293B1 (es)
CN (1) CN1672464B (es)
AT (1) ATE341923T1 (es)
AU (1) AU2003278704B2 (es)
BR (2) BR0305746A (es)
CA (1) CA2494454C (es)
DE (1) DE60308876T2 (es)
DK (1) DK1527655T3 (es)
ES (1) ES2271654T3 (es)
HK (1) HK1073963A1 (es)
IL (1) IL165941A (es)
MX (1) MXPA05001413A (es)
MY (1) MY139849A (es)
PL (1) PL373120A1 (es)
TW (1) TWI315828B (es)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
MX2007005027A (es) 2004-10-26 2007-06-19 Dolby Lab Licensing Corp Calculo y ajuste de la sonoridad percibida y/o el balance espectral percibido de una senal de audio.
CN101065988B (zh) * 2004-11-23 2011-03-02 皇家飞利浦电子股份有限公司 处理音频数据的设备和方法
TWI397901B (zh) * 2004-12-21 2013-06-01 Dolby Lab Licensing Corp 控制音訊信號比響度特性之方法及其相關裝置與電腦程式
JP5461835B2 (ja) 2005-05-26 2014-04-02 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化／復号化方法及び符号化／復号化装置
WO2007004829A2 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8214221B2 (en) 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
US8082157B2 (en) 2005-06-30 2011-12-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR20080049735A (ko) 2005-08-30 2008-06-04 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
WO2007055463A1 (en) 2005-08-30 2007-05-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
KR100857120B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
WO2007040361A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7742913B2 (en) 2005-10-24 2010-06-22 Lg Electronics Inc. Removing time delays in signal paths
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
JP5366104B2 (ja) * 2008-06-26 2013-12-11 オランジュ マルチチャネル・オーディオ信号の空間合成
EP2398257B1 (en) * 2008-12-18 2017-05-10 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US9197978B2 (en) * 2009-03-31 2015-11-24 Panasonic Intellectual Property Management Co., Ltd. Sound reproduction apparatus and sound reproduction method
CN101527874B (zh) * 2009-04-28 2011-03-23 张勤 一种动声声场系统
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
US9008338B2 (en) * 2010-09-30 2015-04-14 Panasonic Intellectual Property Management Co., Ltd. Audio reproduction apparatus and audio reproduction method
SG11201403493XA (en) * 2012-03-22 2014-07-30 Dirac Res Ab Audio precompensation controller design using a variable set of support loudspeakers
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
EP2830335A3 (en) 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, and computer program for mapping first and second input channels to at least one output channel
RU2708441C2 (ru) * 2015-06-24 2019-12-06 Сони Корпорейшн Устройство, способ и программа аудиообработки
CN106604199B (zh) * 2016-12-23 2018-09-18 湖南国科微电子股份有限公司 一种数字音频信号的矩阵处理方法及装置
US11019449B2 (en) * 2018-10-06 2021-05-25 Qualcomm Incorporated Six degrees of freedom and three degrees of freedom backward compatibility
CA3122164C (en) 2018-12-07 2024-01-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to dirac based spatial audio coding using diffuse compensation
TWI740206B (zh) * 2019-09-16 2021-09-21 宏碁股份有限公司 訊號量測的校正系統及其校正方法
CN114327040A (zh) * 2021-11-25 2022-04-12 歌尔股份有限公司 振动信号生成方法、装置、电子设备及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659619A (en) * 1994-05-11 1997-08-19 Aureal Semiconductor, Inc. Three-dimensional virtual audio display employing reduced complexity imaging filters
US6009179A (en) * 1997-01-24 1999-12-28 Sony Corporation Method and apparatus for electronically embedding directional cues in two channels of sound
US6072878A (en) * 1997-09-24 2000-06-06 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics
AUPP271598A0 (en) * 1998-03-31 1998-04-23 Lake Dsp Pty Limited Headtracked processing for headtracked playback of audio signals
EP1054575A3 (en) * 1999-05-17 2002-09-18 Bose Corporation Directional decoding

Also Published As

Publication number Publication date
IL165941A (en) 2010-06-30
IL165941A0 (en) 2006-01-15
AU2003278704A1 (en) 2004-03-11
AU2003278704B2 (en) 2009-04-23
DE60308876D1 (de) 2006-11-16
BRPI0305746B1 (pt) 2018-03-20
TWI315828B (en) 2009-10-11
EP1527655A2 (en) 2005-05-04
BR0305746A (pt) 2004-12-07
EP1527655B1 (en) 2006-10-04
KR100988293B1 (ko) 2010-10-18
KR20050035878A (ko) 2005-04-19
PL373120A1 (en) 2005-08-08
MY139849A (en) 2009-11-30
CN1672464B (zh) 2010-07-28
CA2494454A1 (en) 2004-03-04
DE60308876T2 (de) 2007-03-01
ATE341923T1 (de) 2006-10-15
ES2271654T3 (es) 2007-04-16
JP2005535266A (ja) 2005-11-17
CN1672464A (zh) 2005-09-21
HK1073963A1 (en) 2005-10-21
MXPA05001413A (es) 2005-06-06
CA2494454C (en) 2013-10-01
TW200404222A (en) 2004-03-16
DK1527655T3 (da) 2007-01-29

Similar Documents

Publication Publication Date Title
JP4434951B2 (ja) オーディオチャンネルの空間的変換
US11805379B2 (en) Audio channel spatial translation
US7660424B2 (en) Audio channel spatial translation
US20200335115A1 (en) Audio encoding and decoding
KR101341523B1 (ko) 스테레오 신호들로부터 멀티 채널 오디오 신호들을생성하는 방법
TWI451772B (zh) 中央聲道音訊呈現技術
US9197977B2 (en) Audio spatialization and environment simulation
JP2021061631A (ja) 少なくとも一つのフィードバック遅延ネットワークを使ったマルチチャネル・オーディオに応答したバイノーラル・オーディオの生成
WO2004019656A2 (en) Audio channel spatial translation
JP2004526355A (ja) オーディオチャンネル変換方法
CN112019993B (zh) 用于音频处理的设备和方法
JP2022502872A (ja) 低音マネジメントのための方法及び装置
RU2427978C2 (ru) Кодирование и декодирование аудио
US7330552B1 (en) Multiple positional channels from a conventional stereo signal pair
CA3026283C (en) Reconstructing audio signals with multiple decorrelation techniques
JP2018029306A (ja) チャンネル数変換装置およびそのプログラム
JP2017163458A (ja) アップミックス装置及びプログラム

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060803

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090421

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20090721

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20090728

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20090917

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20091215

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20091222

R150 Certificate of patent or registration of utility model

Ref document number: 4434951

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130108

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130108

Year of fee payment: 3

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: R3D03

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130108

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term