CN1863416A - 音频装置和环绕声生成方法 - Google Patents
音频装置和环绕声生成方法 Download PDFInfo
- Publication number
- CN1863416A CN1863416A CNA200610082691XA CN200610082691A CN1863416A CN 1863416 A CN1863416 A CN 1863416A CN A200610082691X A CNA200610082691X A CN A200610082691XA CN 200610082691 A CN200610082691 A CN 200610082691A CN 1863416 A CN1863416 A CN 1863416A
- Authority
- CN
- China
- Prior art keywords
- signal
- around
- filter coefficient
- surround sound
- sef
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 46
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 33
- 230000003044 adaptive effect Effects 0.000 claims description 17
- 239000000284 extract Substances 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 4
- 230000000875 corresponding effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- 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
- H04S5/005—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 five- or more-channel type, e.g. virtual surround
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-140598 | 2005-05-13 | ||
JP2005140598A JP4418774B2 (ja) | 2005-05-13 | 2005-05-13 | オーディオ装置およびサラウンド音生成方法 |
JP2005140598 | 2005-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1863416A true CN1863416A (zh) | 2006-11-15 |
CN1863416B CN1863416B (zh) | 2010-08-18 |
Family
ID=36764422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610082691XA Active CN1863416B (zh) | 2005-05-13 | 2006-05-12 | 音频装置和环绕声生成方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7920711B2 (zh) |
EP (1) | EP1722598B1 (zh) |
JP (1) | JP4418774B2 (zh) |
KR (1) | KR100742054B1 (zh) |
CN (1) | CN1863416B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101924317B (zh) * | 2009-06-12 | 2013-10-30 | 扬智科技股份有限公司 | 双声道处理装置及其方法与声音播放系统 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8619998B2 (en) * | 2006-08-07 | 2013-12-31 | Creative Technology Ltd | Spatial audio enhancement processing method and apparatus |
WO2008023178A1 (en) * | 2006-08-22 | 2008-02-28 | John Usher | Methods and devices for audio upmixing |
US8050434B1 (en) * | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
JP4804376B2 (ja) * | 2007-01-30 | 2011-11-02 | アルパイン株式会社 | オーディオ装置 |
JP4963987B2 (ja) * | 2007-03-01 | 2012-06-27 | アルパイン株式会社 | オーディオ装置 |
JP5213339B2 (ja) | 2007-03-12 | 2013-06-19 | アルパイン株式会社 | オーディオ装置 |
US8300802B2 (en) * | 2007-08-31 | 2012-10-30 | Freescale Semiconductor, Inc. | Adaptive filter for use in echo reduction |
US8126172B2 (en) * | 2007-12-06 | 2012-02-28 | Harman International Industries, Incorporated | Spatial processing stereo system |
JP5202090B2 (ja) * | 2008-05-07 | 2013-06-05 | アルパイン株式会社 | サラウンド生成装置 |
WO2011042960A1 (ja) * | 2009-10-07 | 2011-04-14 | パイオニア株式会社 | 能動型振動騒音制御装置 |
WO2012031605A1 (en) * | 2010-09-06 | 2012-03-15 | Fundacio Barcelona Media Universitat Pompeu Fabra | Upmixing method and system for multichannel audio reproduction |
US9088858B2 (en) | 2011-01-04 | 2015-07-21 | Dts Llc | Immersive audio rendering system |
WO2013111034A2 (en) * | 2012-01-23 | 2013-08-01 | Koninklijke Philips N.V. | Audio rendering system and method therefor |
EP2975864B1 (en) | 2014-07-17 | 2020-05-13 | Alpine Electronics, Inc. | Signal processing apparatus for a vehicle sound system and signal processing method for a vehicle sound system |
US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH042928A (ja) * | 1990-04-19 | 1992-01-07 | Matsushita Electric Ind Co Ltd | 音場制御装置 |
US5172415A (en) * | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
US5199075A (en) * | 1991-11-14 | 1993-03-30 | Fosgate James W | Surround sound loudspeakers and processor |
US5970152A (en) * | 1996-04-30 | 1999-10-19 | Srs Labs, Inc. | Audio enhancement system for use in a surround sound environment |
CN2395487Y (zh) * | 1999-10-14 | 2000-09-06 | 林智文 | 汽车音响的处理电路 |
JP2004505528A (ja) | 2000-07-17 | 2004-02-19 | 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 | 方位検出信号、中位信号その他の補助的オーディオ信号を得るステレオオーディオ処理装置 |
EP1360874B1 (en) * | 2001-02-09 | 2008-12-17 | THX Ltd | Sound system and method of sound reproduction |
JP3682032B2 (ja) * | 2002-05-13 | 2005-08-10 | 株式会社ダイマジック | オーディオ装置並びにその再生用プログラム |
CA2430403C (en) * | 2002-06-07 | 2011-06-21 | Hiroyuki Hashimoto | Sound image control system |
ATE428274T1 (de) * | 2003-05-06 | 2009-04-15 | Harman Becker Automotive Sys | Verarbeitungssystem fur stereo audiosignale |
JP4186745B2 (ja) * | 2003-08-01 | 2008-11-26 | ソニー株式会社 | マイクロホン装置、ノイズ低減方法および記録装置 |
-
2005
- 2005-05-13 JP JP2005140598A patent/JP4418774B2/ja active Active
-
2006
- 2006-05-10 KR KR1020060041912A patent/KR100742054B1/ko active IP Right Grant
- 2006-05-11 US US11/382,914 patent/US7920711B2/en active Active
- 2006-05-12 EP EP06113877A patent/EP1722598B1/en active Active
- 2006-05-12 CN CN200610082691XA patent/CN1863416B/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101924317B (zh) * | 2009-06-12 | 2013-10-30 | 扬智科技股份有限公司 | 双声道处理装置及其方法与声音播放系统 |
Also Published As
Publication number | Publication date |
---|---|
KR20060117217A (ko) | 2006-11-16 |
US7920711B2 (en) | 2011-04-05 |
EP1722598A2 (en) | 2006-11-15 |
JP4418774B2 (ja) | 2010-02-24 |
EP1722598B1 (en) | 2012-11-28 |
KR100742054B1 (ko) | 2007-07-23 |
JP2006319694A (ja) | 2006-11-24 |
US20060256969A1 (en) | 2006-11-16 |
CN1863416B (zh) | 2010-08-18 |
EP1722598A3 (en) | 2008-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1863416A (zh) | 音频装置和环绕声生成方法 | |
CN1875656A (zh) | 来自于前置扬声器的多声道音频环绕声 | |
JP5341919B2 (ja) | ステレオ音響の拡幅 | |
US20040136554A1 (en) | Equalization of the output in a stereo widening network | |
US9214916B2 (en) | Acoustic processing device | |
US7650000B2 (en) | Audio device and playback program for the same | |
CN101981944A (zh) | 麦克风阵列的环绕声产生 | |
CN1877988A (zh) | 声音质量调节装置 | |
KR100644717B1 (ko) | 다채널 오디오 신호 생성 장치 및 그 방법 | |
CN101287305A (zh) | 处理助听器输入信号的方法和装置 | |
CN1286010A (zh) | 音像定位处理装置 | |
US9008318B2 (en) | Audio signal processing device | |
GB2469573A (en) | Processing an audio signal to enhance to perceived low frequency content | |
WO2006009058A1 (ja) | 音像定位装置 | |
CN1175182A (zh) | 由单声道信号产生多声道信号的方法和装置 | |
CN1929698A (zh) | 声音再现设备和增强低频分量的方法 | |
JP4970174B2 (ja) | ナレーション音声制御装置 | |
JP4402636B2 (ja) | オーディオ装置 | |
CN1265550C (zh) | 滤波电路以及处理音频信号的方法 | |
JP6643778B2 (ja) | 音響装置、電子鍵盤楽器およびプログラム | |
JP6124143B2 (ja) | サラウンド成分生成装置 | |
JP2008187547A (ja) | オーディオ装置 | |
JP3925274B2 (ja) | 収音装置及びステレオ演算方法 | |
CN111629318B (zh) | 音场虚拟环绕模块、扩展音场虚拟环绕的系统及方法 | |
JP2011188479A (ja) | 音像定位制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1096236 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1096236 Country of ref document: HK |
|
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: DIMAGIC CO., LTD. Effective date: 20150107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150107 Address after: Tokyo, Japan, Japan Patentee after: ALPINE ELECTRONICS, Inc. Address before: Tokyo, Japan, Japan Patentee before: ALPINE ELECTRONICS, Inc. Patentee before: Dimagic Co., Ltd. |