JPS49133002A - - Google Patents
Info
- Publication number
- JPS49133002A JPS49133002A JP48099770A JP9977073A JPS49133002A JP S49133002 A JPS49133002 A JP S49133002A JP 48099770 A JP48099770 A JP 48099770A JP 9977073 A JP9977073 A JP 9977073A JP S49133002 A JPS49133002 A JP S49133002A
- Authority
- JP
- Japan
- 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
Classifications
-
- 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
- H04S1/005—For headphones
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2244162A DE2244162C3 (de) | 1972-09-08 | 1972-09-08 | «system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49133002A true JPS49133002A (US20020051482A1-20020502-M00020.png) | 1974-12-20 |
| JPS53283B2 JPS53283B2 (US20020051482A1-20020502-M00020.png) | 1978-01-07 |
Family
ID=5855825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9977073A Expired JPS53283B2 (US20020051482A1-20020502-M00020.png) | 1972-09-08 | 1973-09-06 |
Country Status (8)
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5175429A (US20020051482A1-20020502-M00020.png) * | 1974-12-25 | 1976-06-30 | Matsushita Electric Ind Co Ltd | |
| JPS5183507A (US20020051482A1-20020502-M00020.png) * | 1975-01-20 | 1976-07-22 | Matsushita Electric Ind Co Ltd | |
| JPS5188002A (US20020051482A1-20020502-M00020.png) * | 1975-01-30 | 1976-08-02 | ||
| JPS51128503A (en) * | 1975-04-30 | 1976-11-09 | Matsushita Electric Ind Co Ltd | 4-channel headphone unit |
| JPS51146202A (en) * | 1975-05-30 | 1976-12-15 | Matsushita Electric Ind Co Ltd | Head-phone |
| JPS524802A (en) * | 1975-07-01 | 1977-01-14 | Matsushita Electric Ind Co Ltd | Headphones |
| JPS5227602A (en) * | 1975-08-27 | 1977-03-02 | Matsushita Electric Ind Co Ltd | Headphone device |
| JPS5227626A (en) * | 1975-08-27 | 1977-03-02 | Matsushita Electric Ind Co Ltd | Headphone device |
| JPS5242701A (en) * | 1975-10-01 | 1977-04-02 | Matsushita Electric Ind Co Ltd | Head-phone device |
| JPS5280001A (en) * | 1975-12-26 | 1977-07-05 | Victor Co Of Japan Ltd | Binaural system |
| JPS52112302A (en) * | 1976-03-18 | 1977-09-20 | Matsushita Electric Ind Co Ltd | 4-channel head phone unit |
| JPS52127302A (en) * | 1976-04-19 | 1977-10-25 | Matsushita Electric Ind Co Ltd | Four-channel headphone system |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087631A (en) * | 1975-07-01 | 1978-05-02 | Matsushita Electric Industrial Co., Ltd. | Projected sound localization headphone apparatus |
| US4097689A (en) * | 1975-08-19 | 1978-06-27 | Matsushita Electric Industrial Co., Ltd. | Out-of-head localization headphone listening device |
| JPS52125301A (en) * | 1976-04-13 | 1977-10-21 | Victor Co Of Japan Ltd | Signal processing circuit |
| US4136260A (en) * | 1976-05-20 | 1979-01-23 | Trio Kabushiki Kaisha | Out-of-head localized sound reproduction system for headphone |
| DE2858302C2 (US20020051482A1-20020502-M00020.png) * | 1977-03-24 | 1991-01-31 | Andreas Mailand/Milano It Pavel | |
| DE2918776C2 (de) * | 1979-05-10 | 1984-07-19 | Kronester, Walter, Dipl.-Ing., 8000 München | Schaltungsanordnung zum Anpassen eines raumbezogen stereophonen Programmsignals an einen freifeldentzerrten Kopfhörer |
| DE2918831C2 (de) * | 1979-05-10 | 1982-09-30 | Institut für Rundfunktechnik GmbH, 8000 München | Schaltungsanordnung zum Anpassen eines raumbezogen stereophonen Programmsignals an einen freifeldentzerrten Kopfhörer |
| US4615007A (en) * | 1984-09-14 | 1986-09-30 | Audiometrics, Inc. | Audiologic testing method and apparatus with compensating means for soundwave attenuation through a transmitting medium |
| US4701952A (en) * | 1984-10-10 | 1987-10-20 | Taylor Jefferson H | Frequency attenuation compensated pneumatic headphone and liquid tube audio system for medical use |
| USRE34236E (en) * | 1984-10-10 | 1993-04-27 | Noise Cancellation Technologies, Inc. | Frequency attenuation compensated pneumatic headphone and liquid tube audio system for medical use |
| AT394650B (de) * | 1988-10-24 | 1992-05-25 | Akg Akustische Kino Geraete | Elektroakustische anordnung zur wiedergabe stereophoner binauraler audiosignale ueber kopfhoerer |
| DE4091279D2 (en) * | 1989-07-25 | 1992-01-30 | Koenig Florian | System zur vorneortung von mittels stereokopfhoerern erzeugten hoerereignissen |
| EP1816895B1 (en) | 1995-09-08 | 2011-10-12 | Fujitsu Limited | Three-dimensional acoustic processor which uses linear predictive coefficients |
| US5751817A (en) * | 1996-12-30 | 1998-05-12 | Brungart; Douglas S. | Simplified analog virtual externalization for stereophonic audio |
| US6243476B1 (en) | 1997-06-18 | 2001-06-05 | Massachusetts Institute Of Technology | Method and apparatus for producing binaural audio for a moving listener |
| DE19901546A1 (de) * | 1999-01-16 | 2000-07-20 | Jan H Meier | Elektrische Schaltung für die natürliche Wiedergabe von elektrischen Audio- und Musiksignalen über einen Kopfhörer |
| FI113147B (fi) | 2000-09-29 | 2004-02-27 | Nokia Corp | Menetelmä ja signaalinkäsittelylaite stereosignaalien muuntamiseksi kuulokekuuntelua varten |
| IL141822A (en) * | 2001-03-05 | 2007-02-11 | Haim Levy | A method and system for imitating a 3D audio environment |
| DK176170B1 (da) * | 2004-04-28 | 2006-11-13 | Bang & Olufsen As | Fremgangsmåde til objektiv bestemmelse af subjektive egenskaber ved et binauralt lydsignal |
| DE102004023054B4 (de) | 2004-05-11 | 2018-04-05 | Helge Neumann | Spatial-Filter für Kopfhörer |
| US10341799B2 (en) * | 2014-10-30 | 2019-07-02 | Dolby Laboratories Licensing Corporation | Impedance matching filters and equalization for headphone surround rendering |
| CN105487657A (zh) * | 2015-11-24 | 2016-04-13 | 小米科技有限责任公司 | 声音响度的确定方法及装置 |
| US10225657B2 (en) | 2016-01-18 | 2019-03-05 | Boomcloud 360, Inc. | Subband spatial and crosstalk cancellation for audio reproduction |
| EP3406085B1 (en) * | 2016-01-19 | 2024-05-01 | Boomcloud 360, Inc. | Audio enhancement for head-mounted speakers |
| US10313820B2 (en) | 2017-07-11 | 2019-06-04 | Boomcloud 360, Inc. | Sub-band spatial audio enhancement |
| US10524078B2 (en) * | 2017-11-29 | 2019-12-31 | Boomcloud 360, Inc. | Crosstalk cancellation b-chain |
| US10764704B2 (en) | 2018-03-22 | 2020-09-01 | Boomcloud 360, Inc. | Multi-channel subband spatial processing for loudspeakers |
| US10841728B1 (en) | 2019-10-10 | 2020-11-17 | Boomcloud 360, Inc. | Multi-channel crosstalk processing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3088997A (en) * | 1960-12-29 | 1963-05-07 | Columbia Broadcasting Syst Inc | Stereophonic to binaural conversion apparatus |
-
1972
- 1972-09-08 DE DE2244162A patent/DE2244162C3/de not_active Expired
-
1973
- 1973-08-22 IT IT28095/73A patent/IT998449B/it active
- 1973-08-29 GB GB4067573A patent/GB1437129A/en not_active Expired
- 1973-09-06 JP JP9977073A patent/JPS53283B2/ja not_active Expired
- 1973-09-07 US US395371A patent/US3920904A/en not_active Expired - Lifetime
- 1973-09-07 CH CH1289773A patent/CH571798A5/xx not_active IP Right Cessation
- 1973-09-07 NL NL7312345A patent/NL7312345A/xx not_active Application Discontinuation
- 1973-09-07 FR FR7332288A patent/FR2199240B1/fr not_active Expired
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5175429A (US20020051482A1-20020502-M00020.png) * | 1974-12-25 | 1976-06-30 | Matsushita Electric Ind Co Ltd | |
| JPS5183507A (US20020051482A1-20020502-M00020.png) * | 1975-01-20 | 1976-07-22 | Matsushita Electric Ind Co Ltd | |
| JPS5188002A (US20020051482A1-20020502-M00020.png) * | 1975-01-30 | 1976-08-02 | ||
| JPS51128503A (en) * | 1975-04-30 | 1976-11-09 | Matsushita Electric Ind Co Ltd | 4-channel headphone unit |
| JPS51146202A (en) * | 1975-05-30 | 1976-12-15 | Matsushita Electric Ind Co Ltd | Head-phone |
| JPS6019197B2 (ja) * | 1975-05-30 | 1985-05-15 | 松下電器産業株式会社 | ヘツドホン |
| JPS524802A (en) * | 1975-07-01 | 1977-01-14 | Matsushita Electric Ind Co Ltd | Headphones |
| JPS6019198B2 (ja) * | 1975-08-27 | 1985-05-15 | 松下電器産業株式会社 | ヘツドホン装置 |
| JPS5227626A (en) * | 1975-08-27 | 1977-03-02 | Matsushita Electric Ind Co Ltd | Headphone device |
| JPS5227602A (en) * | 1975-08-27 | 1977-03-02 | Matsushita Electric Ind Co Ltd | Headphone device |
| JPS5242701A (en) * | 1975-10-01 | 1977-04-02 | Matsushita Electric Ind Co Ltd | Head-phone device |
| JPS6019199B2 (ja) * | 1975-10-01 | 1985-05-15 | 松下電器産業株式会社 | ヘツドホン装置 |
| JPS5280001A (en) * | 1975-12-26 | 1977-07-05 | Victor Co Of Japan Ltd | Binaural system |
| JPS52112302A (en) * | 1976-03-18 | 1977-09-20 | Matsushita Electric Ind Co Ltd | 4-channel head phone unit |
| JPS6027236B2 (ja) * | 1976-03-18 | 1985-06-27 | 松下電器産業株式会社 | ４チヤンネルヘツドホン装置 |
| JPS52127302A (en) * | 1976-04-19 | 1977-10-25 | Matsushita Electric Ind Co Ltd | Four-channel headphone system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2244162A1 (de) | 1974-03-28 |
| US3920904A (en) | 1975-11-18 |
| FR2199240B1 (US20020051482A1-20020502-M00020.png) | 1978-01-13 |
| DE2244162B2 (de) | 1974-08-01 |
| IT998449B (it) | 1976-01-20 |
| JPS53283B2 (US20020051482A1-20020502-M00020.png) | 1978-01-07 |
| NL7312345A (US20020051482A1-20020502-M00020.png) | 1974-03-12 |
| FR2199240A1 (US20020051482A1-20020502-M00020.png) | 1974-04-05 |
| CH571798A5 (US20020051482A1-20020502-M00020.png) | 1976-01-15 |
| GB1437129A (en) | 1976-05-26 |
| DE2244162C3 (de) | 1981-02-26 |
