CN1171503C - 在记录和重放中使用的多信道音频增强系统和对此提供的方法 - Google Patents
在记录和重放中使用的多信道音频增强系统和对此提供的方法 Download PDFInfo
- Publication number
- CN1171503C CN1171503C CNB971262977A CN97126297A CN1171503C CN 1171503 C CN1171503 C CN 1171503C CN B971262977 A CNB971262977 A CN B971262977A CN 97126297 A CN97126297 A CN 97126297A CN 1171503 C CN1171503 C CN 1171503C
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- audio
- signal
- signals
- composition
- output signal
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- Expired - Lifetime
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (41)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/743,776 US5912976A (en) | 1996-11-07 | 1996-11-07 | Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| US743776 | 1996-11-07 | ||
| US743,776 | 1996-11-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1189081A CN1189081A (zh) | 1998-07-29 |
| CN1171503C true CN1171503C (zh) | 2004-10-13 |
Family
ID=24990122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971262977A Expired - Lifetime CN1171503C (zh) | 1996-11-07 | 1997-11-07 | 在记录和重放中使用的多信道音频增强系统和对此提供的方法 |
Country Status (13)
| Country | Link |
|---|---|
| US (4) | US5912976A (zh) |
| EP (1) | EP0965247B1 (zh) |
| JP (1) | JP4505058B2 (zh) |
| KR (1) | KR100458021B1 (zh) |
| CN (1) | CN1171503C (zh) |
| AT (1) | ATE222444T1 (zh) |
| AU (1) | AU5099298A (zh) |
| CA (1) | CA2270664C (zh) |
| DE (1) | DE69714782T2 (zh) |
| ES (1) | ES2182052T3 (zh) |
| ID (1) | ID18503A (zh) |
| TW (1) | TW396713B (zh) |
| WO (1) | WO1998020709A1 (zh) |
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- 1996-11-07 US US08/743,776 patent/US5912976A/en not_active Expired - Lifetime
-
1997
- 1997-10-31 AT AT97913930T patent/ATE222444T1/de not_active IP Right Cessation
- 1997-10-31 AU AU50992/98A patent/AU5099298A/en not_active Abandoned
- 1997-10-31 ES ES97913930T patent/ES2182052T3/es not_active Expired - Lifetime
- 1997-10-31 DE DE69714782T patent/DE69714782T2/de not_active Expired - Lifetime
- 1997-10-31 CA CA002270664A patent/CA2270664C/en not_active Expired - Lifetime
- 1997-10-31 JP JP52159398A patent/JP4505058B2/ja not_active Expired - Lifetime
- 1997-10-31 WO PCT/US1997/019825 patent/WO1998020709A1/en not_active Ceased
- 1997-10-31 KR KR10-1999-7004087A patent/KR100458021B1/ko not_active Expired - Lifetime
- 1997-10-31 EP EP97913930A patent/EP0965247B1/en not_active Expired - Lifetime
- 1997-11-05 TW TW086116501A patent/TW396713B/zh not_active IP Right Cessation
- 1997-11-07 CN CNB971262977A patent/CN1171503C/zh not_active Expired - Lifetime
- 1997-11-07 ID IDP973632A patent/ID18503A/id unknown
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1999
- 1999-02-24 US US09/256,982 patent/US7200236B1/en not_active Expired - Fee Related
-
2007
- 2007-03-30 US US11/694,650 patent/US7492907B2/en not_active Expired - Fee Related
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2009
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Also Published As
| Publication number | Publication date |
|---|---|
| ATE222444T1 (de) | 2002-08-15 |
| KR20000053152A (ko) | 2000-08-25 |
| HK1011257A1 (zh) | 1999-07-09 |
| CN1189081A (zh) | 1998-07-29 |
| KR100458021B1 (ko) | 2004-11-26 |
| US5912976A (en) | 1999-06-15 |
| JP2001503942A (ja) | 2001-03-21 |
| US20090190766A1 (en) | 2009-07-30 |
| US8472631B2 (en) | 2013-06-25 |
| DE69714782D1 (de) | 2002-09-19 |
| DE69714782T2 (de) | 2002-12-05 |
| JP4505058B2 (ja) | 2010-07-14 |
| EP0965247B1 (en) | 2002-08-14 |
| CA2270664C (en) | 2006-04-25 |
| CA2270664A1 (en) | 1998-05-14 |
| US20070165868A1 (en) | 2007-07-19 |
| WO1998020709A1 (en) | 1998-05-14 |
| EP0965247A1 (en) | 1999-12-22 |
| TW396713B (en) | 2000-07-01 |
| US7492907B2 (en) | 2009-02-17 |
| AU5099298A (en) | 1998-05-29 |
| ID18503A (id) | 1998-04-16 |
| ES2182052T3 (es) | 2003-03-01 |
| US7200236B1 (en) | 2007-04-03 |
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Effective date of registration: 20121221 Address after: American California Patentee after: DTS Labs Inc. Address before: American California Patentee before: SRs Labs. Inc. |
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Granted publication date: 20041013 |