WO2004093492A1 - Installation pour la projection d'oeuvres cinematographiques ou numeriques sonores - Google Patents
Installation pour la projection d'oeuvres cinematographiques ou numeriques sonores Download PDFInfo
- Publication number
- WO2004093492A1 WO2004093492A1 PCT/FR2004/050154 FR2004050154W WO2004093492A1 WO 2004093492 A1 WO2004093492 A1 WO 2004093492A1 FR 2004050154 W FR2004050154 W FR 2004050154W WO 2004093492 A1 WO2004093492 A1 WO 2004093492A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- screen
- treble
- speaker
- sound
- channel
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/565—Screens allowing free passage of sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
Definitions
- the present invention relates to an installation for the projection of cinematographic or digital sound works, and more particularly to such films with at least one sound channel, said installation comprising a screen, and for said sound channel, at least one low loudspeaker and at least one mid / high speaker.
- sound channel means only the screen channels, with the exclusion of the ambient channels which, in the invention, are treated in a conventional manner.
- the screen channels are generally three in number, a left channel, a central channel and a right channel. There are also five-channel installations including a left intermediate channel and a right intermediate channel.
- each channel has two or three speakers, namely, in all cases, a bass speaker and either a mid / high speaker or a mid speaker and a speaker acute.
- the mid / treble, mid and treble speakers are generally subwoofer speakers. These speakers are arranged behind the screen.
- the perforated screens retain a certain number of drawbacks in terms of sound and also degrade the quality of the image. From the sound point of view, the perforated screen introduces a mask effect and disturbances due to the diffusion of sound waves when the perforations pass. From the point of view of the image, the perforations affect in particular the brightness, the contrasts and the definition. In addition, in the first rows of the projection room, the perforations are visible in the form of a frame.
- the present invention aims to overcome these drawbacks.
- the object of the invention is to provide a projection installation which presents the image quality of a non-perforated screen while ensuring for the sound a marked improvement in quality as well as excellent compliance with the standards in force (in particular the standard ISO 2969 Curve X) and the mix desired by the director on the artistic level.
- the subject of the invention is an installation for the projection of cinematographic or digital sound works with at least one sound channel, comprising a screen and, for said sound channel, at least one bass speaker and at least one mid / high speaker, in which:
- the screen is a non-perforated screen;
- the mid / high speaker is a flat sound transducer pressed against the screen at the rear of the latter relative to the direction of projection; and - an extreme high-pitched speaker is placed at the periphery of the screen.
- said mid / high transducer is disposed substantially above the bass speaker.
- the extreme treble speaker is disposed above the screen, substantially above the mid / treble transducer.
- the extreme treble speakers of said lateral channels can be placed on each of the sides of the screen.
- the extreme treble speakers of said lateral channels can be arranged substantially at the height of the mid / treble transducers of the corresponding channels.
- the extreme treble speakers of said side channels are arranged above the screen.
- these extreme treble speakers of said lateral channels can be arranged substantially above the mid / treble transducers of the corresponding channels.
- the extreme high-pitched speaker of said high central channel can be placed above the the screen, and the extreme treble speaker of said bottom central channel be disposed below the screen.
- the aforementioned woofers can be arranged to pass sounds of a frequency below about 300 Hz to 800 Hz.
- FIG. 1 is a vertical sectional view perpendicular to the screen of a movie theater equipped with an installation according to the invention
- Figure 2 is a front view of an installation according to a first embodiment of the invention
- Figure 3 is a front view of an installation according to a second embodiment of the invention.
- Figure 4 is a front view of an installation according to a third embodiment of the invention.
- the screen 4, not perforated, is placed at a certain distance from the back wall
- a plate 5 of sound absorbing material is placed against the wall 1 on the side of the screen 4 to dampen the sound reflections, essentially in the low / medium frequency range.
- a bass speaker 6 is disposed between the screen 4 and the panel 5 towards the bottom of the screen, this speaker being capable of passing sounds of a frequency less than about 500 Hz.
- a mid / high speaker 7 capable of passing sounds in a range of about 500 Hz - 4 kHz is arranged above the bass speaker 6.
- An extreme high-pitched loudspeaker 8 is placed above the periphery of the screen, above the loudspeakers 6 and 7, this loudspeaker being capable of passing sounds of a frequency higher than about 4 kHz .
- the loudspeaker 7 is a flat sound transducer whose active face is pressed against the screen 4.
- the speakers 6 and 8 and the plane transducer 7 belong to the same channel.
- FIG. 2 shows a screen 10 of format of the so-called “panel” type (also called panel 1.85, ie an image ratio of 1/1, 85).
- the left, central and right channels each have a bass speaker, respectively 11L, 11C and 11 R, a mid / treble plane transducer, respectively 12L, 12C and 12R, and an extreme treble speaker, respectively 13L 13C and 13R .
- the high-pitched central speaker 13C is placed above the screen, like the speaker 8 in FIG. 1.
- the extreme treble side speakers 13L and 13R are here placed laterally each on one side of the screen, outside the screen, substantially at the height of the mid / treble lateral transducers, in the example shown substantially halfway up the screen 10.
- the sound images 14L and 14R of the lateral mid / treble transducers 12 L and 12R are slightly displaced towards the outside the screen, which enlarges the sound space.
- the sound image 14C of the central mid / treble transducer 12C is slightly displaced upwards. This last sound image 14C is in fact ideally placed in height since it is very often in this band of height that the dialogs are situated.
- Scope 2.39 i.e. an aspect ratio of 1 / 2.39) is more elongated in the horizontal direction than the panel screen in Figure 2.
- the bass speakers and the mid / treble transducers have received in this figure the same references as in FIG. 2 increased by 10. Their arrangement is substantially the same as in this FIG. 2.
- the center treble speaker 23C is arranged like the speaker 13C above the screen substantially aligned with the bass speaker and the mid / treble transducer of the central channel, the loudspeakers extreme side speakers 23L and 23R are arranged above the screen, above the speakers 21 and 22 of the corresponding lateral channel.
- FIG. 4 represents a giant screen installation 30 and four channels including a left lateral channel, a right lateral channel and two central high and low channels.
- the bass and treble loudspeakers as well as the mid / treble flat transducers of the two lateral channels have been given in this figure the same 5 references as in FIG. 2 increased by 20. Their arrangement is substantially the same as in this FIG. 2.
- the top center channel is composed of a 31 CH bass speaker, a 32CH medium / treble plane sound transducer and a 33CH extreme treble speaker.
- the speaker 31 CH and the transducer 32 CH are arranged side by side behind the screen, towards the top of the latter.
- the 33CH loudspeaker is arranged above the screen, substantially above the 31 CH loudspeaker and the 32CH transducer.
- the bottom center channel is composed of a bass speaker
- the speaker 31 CL and the transducer 32CL are arranged side by side behind the screen, towards the bottom of the latter.
- the loudspeaker 33CL is arranged below the screen, substantially below the loudspeaker 31 CL and 0 of the transducer 32CL.
- This figure also shows the sound image 34CH of the transducer 32CH, slightly offset upwards relative to the latter, and the sound image 34CL of the transducer 32CL, slightly offset downwards relative to the latter.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Pinball Game Machines (AREA)
- Adornments (AREA)
- Optical Communication System (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
Claims
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006505874A JP4545739B2 (ja) | 2003-04-11 | 2004-04-09 | 音響を伴う映画作品またはデジタル作品を投影するためのシステム |
| US10/552,866 US8009854B2 (en) | 2003-04-11 | 2004-04-09 | System for the projection of cinematographic works and digital works with sound |
| CA2521083A CA2521083C (fr) | 2003-04-11 | 2004-04-09 | Systeme pour la projection d'oeuvres cinematographiques ou numeriques sonores |
| AU2004229787A AU2004229787B2 (en) | 2003-04-11 | 2004-04-09 | System for the projection of cinematographic works or digitial works with sound |
| DE602004004887T DE602004004887T2 (de) | 2003-04-11 | 2004-04-09 | System zur projektion cinematographischer werke oder digitaler werke mit ton |
| KR1020057019342A KR101029889B1 (ko) | 2003-04-11 | 2004-04-09 | 사운드를 구비한 영사 장치 또는 디지털 장치의 프로젝션시스템 |
| EP04742841A EP1616456B1 (fr) | 2003-04-11 | 2004-04-09 | Installation pour la projection d'oeuvres cinematographiques ou numeriques sonores |
| CN2004800096808A CN1771755B (zh) | 2003-04-11 | 2004-04-09 | 用于投影有声电影产品或数字产品的系统 |
| NZ542885A NZ542885A (en) | 2003-04-11 | 2004-04-09 | System for the projection of cinematographic works or digitial works with sound |
| BRPI0409280-5A BRPI0409280A (pt) | 2003-04-11 | 2004-04-09 | sistema de projeção de obras cinematográficas ou digitais sonoras |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0304562 | 2003-04-11 | ||
| FR0304562A FR2853802B1 (fr) | 2003-04-11 | 2003-04-11 | Installation pour la projection d'oeuvres cinematographiques ou numeriques sonores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004093492A1 true WO2004093492A1 (fr) | 2004-10-28 |
Family
ID=33041813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2004/050154 Ceased WO2004093492A1 (fr) | 2003-04-11 | 2004-04-09 | Installation pour la projection d'oeuvres cinematographiques ou numeriques sonores |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US8009854B2 (fr) |
| EP (1) | EP1616456B1 (fr) |
| JP (1) | JP4545739B2 (fr) |
| KR (1) | KR101029889B1 (fr) |
| CN (1) | CN1771755B (fr) |
| AT (1) | ATE354927T1 (fr) |
| AU (1) | AU2004229787B2 (fr) |
| BR (1) | BRPI0409280A (fr) |
| CA (1) | CA2521083C (fr) |
| DE (1) | DE602004004887T2 (fr) |
| ES (1) | ES2282876T3 (fr) |
| FR (1) | FR2853802B1 (fr) |
| NZ (1) | NZ542885A (fr) |
| WO (1) | WO2004093492A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7106411B2 (en) * | 2004-05-05 | 2006-09-12 | Imax Corporation | Conversion of cinema theatre to a super cinema theatre |
| US10158958B2 (en) | 2010-03-23 | 2018-12-18 | Dolby Laboratories Licensing Corporation | Techniques for localized perceptual audio |
| CN116390017A (zh) * | 2010-03-23 | 2023-07-04 | 杜比实验室特许公司 | 音频再现方法和声音再现系统 |
| CA3157717A1 (fr) | 2011-07-01 | 2013-01-10 | Dolby Laboratories Licensing Corporation | Systeme et procede pour generation, codage et rendu de signal audio adaptatif |
| KR102430582B1 (ko) * | 2017-11-28 | 2022-08-08 | 엘지디스플레이 주식회사 | 표시 장치 |
| CN110850671A (zh) * | 2019-11-20 | 2020-02-28 | 四川长虹电器股份有限公司 | 自发声激光投影显示屏幕及其挂墙安装音质提升方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5025474A (en) * | 1987-09-29 | 1991-06-18 | Matsushita Electric Industrial Co., Ltd. | Speaker system with image projection screen |
| US5993006A (en) * | 1997-06-06 | 1999-11-30 | Denso Corporation | Apparatus for synthesizing and displaying images |
| US6389935B1 (en) * | 1996-09-02 | 2002-05-21 | New Transducers Limited | Acoustic display screen |
| US20020118847A1 (en) * | 2000-12-28 | 2002-08-29 | Neosonica Technologies, Inc. | Transparent panel-form loudspeaker |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2013695A (en) * | 1934-03-31 | 1935-09-10 | Communications Patents Inc | Acoustic disseminator |
| US2175434A (en) * | 1937-01-15 | 1939-10-10 | Albert B Hurley | Sound-reproducing and light-reflecting motion picture screen |
| US3553392A (en) * | 1968-03-07 | 1971-01-05 | Electronics Inc Of Pennsylvani | Electrodynamic sound radiator |
| US4569076A (en) * | 1983-05-09 | 1986-02-04 | Lucasfilm Ltd. | Motion picture theater loudspeaker system |
| JPS62186590U (fr) * | 1986-05-16 | 1987-11-27 | ||
| JPH01164935A (ja) * | 1987-12-21 | 1989-06-29 | Matsushita Electric Ind Co Ltd | スクリーン装置 |
| KR910007182B1 (ko) * | 1987-12-21 | 1991-09-19 | 마쯔시다덴기산교 가부시기가이샤 | 스크리인장치 |
| US5109423A (en) * | 1988-06-30 | 1992-04-28 | Jacobson Larry L | Audio system with amplifier and signal device |
| US5004067A (en) * | 1988-06-30 | 1991-04-02 | Patronis Eugene T | Cinema sound system for unperforated screens |
| DE58901033D1 (de) * | 1988-09-26 | 1992-04-30 | Electronic Werke Deutschland | Bild-tonwiedergabegeraet. |
| US5007707A (en) * | 1989-10-30 | 1991-04-16 | Bertagni Jose J | Integrated sound and video screen |
| JPH0545689U (ja) * | 1991-11-25 | 1993-06-18 | 株式会社ケンウツド | 投映用スクリーン |
| ES2130845T3 (es) * | 1995-09-02 | 1999-07-01 | New Transducers Ltd | Pantallas de visualizacion que incorporan altavoces. |
| MX9801518A (es) * | 1995-09-02 | 1998-05-31 | New Transducers Ltd | Vehiculo para pasajeros que incorporan altavoces que comprenden elementos acusticos radiantes en forma de panel. |
| US6522760B2 (en) * | 1996-09-03 | 2003-02-18 | New Transducers Limited | Active acoustic devices |
| US6519346B1 (en) * | 1998-01-16 | 2003-02-11 | Sony Corporation | Speaker apparatus and electronic apparatus having a speaker apparatus enclosed therein |
| JP3877031B2 (ja) * | 1999-02-12 | 2007-02-07 | 株式会社オーセンティック | パネル型スピーカ |
| JP2001054039A (ja) * | 1999-08-06 | 2001-02-23 | Matsushita Electric Ind Co Ltd | 投射型テレビジョン受信機 |
-
2003
- 2003-04-11 FR FR0304562A patent/FR2853802B1/fr not_active Expired - Fee Related
-
2004
- 2004-04-09 BR BRPI0409280-5A patent/BRPI0409280A/pt not_active Application Discontinuation
- 2004-04-09 CN CN2004800096808A patent/CN1771755B/zh not_active Expired - Fee Related
- 2004-04-09 EP EP04742841A patent/EP1616456B1/fr not_active Expired - Lifetime
- 2004-04-09 NZ NZ542885A patent/NZ542885A/en not_active IP Right Cessation
- 2004-04-09 CA CA2521083A patent/CA2521083C/fr not_active Expired - Lifetime
- 2004-04-09 JP JP2006505874A patent/JP4545739B2/ja not_active Expired - Fee Related
- 2004-04-09 US US10/552,866 patent/US8009854B2/en not_active Expired - Fee Related
- 2004-04-09 AT AT04742841T patent/ATE354927T1/de not_active IP Right Cessation
- 2004-04-09 DE DE602004004887T patent/DE602004004887T2/de not_active Expired - Lifetime
- 2004-04-09 KR KR1020057019342A patent/KR101029889B1/ko not_active Expired - Fee Related
- 2004-04-09 ES ES04742841T patent/ES2282876T3/es not_active Expired - Lifetime
- 2004-04-09 WO PCT/FR2004/050154 patent/WO2004093492A1/fr not_active Ceased
- 2004-04-09 AU AU2004229787A patent/AU2004229787B2/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5025474A (en) * | 1987-09-29 | 1991-06-18 | Matsushita Electric Industrial Co., Ltd. | Speaker system with image projection screen |
| US6389935B1 (en) * | 1996-09-02 | 2002-05-21 | New Transducers Limited | Acoustic display screen |
| US5993006A (en) * | 1997-06-06 | 1999-11-30 | Denso Corporation | Apparatus for synthesizing and displaying images |
| US20020118847A1 (en) * | 2000-12-28 | 2002-08-29 | Neosonica Technologies, Inc. | Transparent panel-form loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101029889B1 (ko) | 2011-04-15 |
| EP1616456A1 (fr) | 2006-01-18 |
| BRPI0409280A (pt) | 2006-04-11 |
| AU2004229787B2 (en) | 2009-11-12 |
| DE602004004887T2 (de) | 2007-11-15 |
| JP4545739B2 (ja) | 2010-09-15 |
| NZ542885A (en) | 2009-02-28 |
| CN1771755A (zh) | 2006-05-10 |
| FR2853802A1 (fr) | 2004-10-15 |
| FR2853802B1 (fr) | 2005-06-24 |
| ES2282876T3 (es) | 2007-10-16 |
| CN1771755B (zh) | 2010-05-26 |
| ATE354927T1 (de) | 2007-03-15 |
| KR20060026849A (ko) | 2006-03-24 |
| US8009854B2 (en) | 2011-08-30 |
| CA2521083A1 (fr) | 2004-10-28 |
| JP2006523056A (ja) | 2006-10-05 |
| CA2521083C (fr) | 2013-04-02 |
| EP1616456B1 (fr) | 2007-02-21 |
| DE602004004887D1 (de) | 2007-04-05 |
| AU2004229787A1 (en) | 2004-10-28 |
| US20060256985A1 (en) | 2006-11-16 |
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