CN1458809A - 具有音调补偿的扩展立体声电路 - Google Patents
具有音调补偿的扩展立体声电路 Download PDFInfo
- Publication number
- CN1458809A CN1458809A CN03131289A CN03131289A CN1458809A CN 1458809 A CN1458809 A CN 1458809A CN 03131289 A CN03131289 A CN 03131289A CN 03131289 A CN03131289 A CN 03131289A CN 1458809 A CN1458809 A CN 1458809A
- Authority
- CN
- China
- Prior art keywords
- signal
- output
- input
- circuit
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000006880 cross-coupling reaction Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 2
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000013707 sensory perception of sound Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/144495 | 2002-05-13 | ||
US10/144,495 US6735314B2 (en) | 2002-05-13 | 2002-05-13 | Expanded stereophonic circuit with tonal compensation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1458809A true CN1458809A (zh) | 2003-11-26 |
Family
ID=29400344
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03131289.6A Expired - Fee Related CN1458809B (zh) | 2002-05-13 | 2003-05-13 | 具有音调补偿的扩展立体声电路 |
CN03131289A Granted CN1458809A (zh) | 2002-05-13 | 2003-05-13 | 具有音调补偿的扩展立体声电路 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03131289.6A Expired - Fee Related CN1458809B (zh) | 2002-05-13 | 2003-05-13 | 具有音调补偿的扩展立体声电路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6735314B2 (zh) |
EP (1) | EP1365625A3 (zh) |
JP (1) | JP4758058B2 (zh) |
KR (1) | KR100955296B1 (zh) |
CN (2) | CN1458809B (zh) |
MX (1) | MXPA03004131A (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7903823B2 (en) * | 2005-04-28 | 2011-03-08 | Texas Instruments Incorporated | Apparatus and method for effecting sound stage expansion |
US20140362996A1 (en) * | 2013-05-08 | 2014-12-11 | Max Sound Corporation | Stereo soundfield expander |
US20150036826A1 (en) * | 2013-05-08 | 2015-02-05 | Max Sound Corporation | Stereo expander method |
US20150036828A1 (en) * | 2013-05-08 | 2015-02-05 | Max Sound Corporation | Internet audio software method |
WO2022035730A1 (en) * | 2020-08-13 | 2022-02-17 | Owlet Baby Care, Inc. | Multi-channel common-mode coupled ac gain amplifier |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1578854A (en) * | 1976-02-27 | 1980-11-12 | Victor Company Of Japan | Stereophonic sound reproduction system |
JPS5937800A (ja) * | 1982-07-23 | 1984-03-01 | ステレオ・コンセプツ・インク | 心理的音響効果を向上するための装置と方法 |
US4567607A (en) | 1983-05-03 | 1986-01-28 | Stereo Concepts, Inc. | Stereo image recovery |
US4700389A (en) | 1985-02-15 | 1987-10-13 | Pioneer Electronic Corporation | Stereo sound field enlarging circuit |
JPS6316796U (zh) * | 1986-07-18 | 1988-02-03 | ||
US4831652A (en) * | 1988-05-05 | 1989-05-16 | Thomson Consumer Electronics, Inc. | Stereo expansion circuit selection switch |
US4866774A (en) * | 1988-11-02 | 1989-09-12 | Hughes Aircraft Company | Stero enhancement and directivity servo |
US5208493A (en) * | 1991-04-30 | 1993-05-04 | Thomson Consumer Electronics, Inc. | Stereo expansion selection switch |
US5400405A (en) * | 1993-07-02 | 1995-03-21 | Harman Electronics, Inc. | Audio image enhancement system |
JPH0865068A (ja) * | 1994-08-18 | 1996-03-08 | Rohm Co Ltd | 低電圧駆動のオーディオ信号増幅装置 |
US5692050A (en) * | 1995-06-15 | 1997-11-25 | Binaura Corporation | Method and apparatus for spatially enhancing stereo and monophonic signals |
KR100188089B1 (ko) * | 1995-07-10 | 1999-06-01 | 김광호 | 음성 강조 회로 |
JP3226870B2 (ja) | 1998-04-15 | 2001-11-05 | 株式会社東芝 | 低域補正回路、ステレオパワーアンプの低域補正方法、及びデジタルオーディオ機器 |
AU1940100A (en) * | 1999-01-11 | 2000-08-01 | Thomson Consumer Electronics, Inc | A stereophonic spatial expansion circuit with tonal compensation and active matrixing |
-
2002
- 2002-05-13 US US10/144,495 patent/US6735314B2/en not_active Expired - Lifetime
-
2003
- 2003-04-21 KR KR1020030025035A patent/KR100955296B1/ko active IP Right Grant
- 2003-05-02 EP EP03291069A patent/EP1365625A3/en not_active Withdrawn
- 2003-05-09 MX MXPA03004131A patent/MXPA03004131A/es active IP Right Grant
- 2003-05-13 CN CN03131289.6A patent/CN1458809B/zh not_active Expired - Fee Related
- 2003-05-13 CN CN03131289A patent/CN1458809A/zh active Granted
- 2003-05-13 JP JP2003135123A patent/JP4758058B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1365625A2 (en) | 2003-11-26 |
JP4758058B2 (ja) | 2011-08-24 |
CN1458809B (zh) | 2014-08-20 |
MXPA03004131A (es) | 2004-10-15 |
KR20030088859A (ko) | 2003-11-20 |
US6735314B2 (en) | 2004-05-11 |
EP1365625A3 (en) | 2008-11-26 |
JP2003333696A (ja) | 2003-11-21 |
KR100955296B1 (ko) | 2010-04-30 |
US20030210792A1 (en) | 2003-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING S.A. Address before: French Boulogne Patentee before: THOMSON LICENSING S.A. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190225 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190225 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING S.A. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20200513 |