JPH03287945A - Acoustically variable partition construction for hall - Google Patents

Abstract

PURPOSE:To enable the reverberation time to be continuously changed by setting an acoustically variable partition to be formed with acoustic control members so that a seat section in a hall may be divided into a front section and a rear section, and by setting the partition continuously movably in the front and rear directions of the hall. CONSTITUTION:The operating keys 18 of an operating board 19 are selected to be operated, and then the kind of play is specified. After that, by a controller 16, out of a storage section 17, data on positions in the front and rear directions and widths in the vertical directions of the hall of an acoustically variable partition 10 consisting of acoustical reflection members or sound absorbing members according to the play are read. After that, by the controller 16, according to the data, a driving mechanism 12 and a motor 15 are operated, and movable bodies 11 are moved along rails 5, and a winding shaft 14 is rotated, and the position and width of the partition 10 are set to come to specified values.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an acoustically variable partition structure for a hall.

(Prior art) In theaters, halls, etc. (hereinafter referred to as halls),
In addition to its original purpose, it is often used for various events. Therefore, in conventional halls, an acoustic variable device is fixedly or removably attached to the wall inside the hall so that the acoustic effects within the hall can be changed depending on the program or event.

(Problem to be Solved by the Invention) However, in the conventional acoustic variable device, an acoustic control board is installed on a part of the wall, one surface of which has an acoustic reflection function and the other surface of which has an acoustic absorption function. , the structure allows one side or the other side to be exposed as necessary,
There is a problem in that the degree of acoustics, that is, the reverberation time, can only be changed in two stages, and the reverberation time may not always be appropriate depending on the program.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a variable acoustic partition structure for a hall that can change the reverberation time within the hall almost continuously.

(Means for Solving the Problems) A variable acoustic partition structure for a hall according to the present invention includes a variable acoustic partition that is formed of an acoustic control member and divides the audience seating portion of the hall in the front and back direction, and this variable acoustic partition It is characterized by being able to move continuously in the front and rear directions.

Note that the acoustic control member is formed of an acoustic reflecting member or a sound absorbing member. Moreover, it is desirable that the width of the acoustically variable partition is adjustable in the vertical direction.

(Operations and Effects of the Invention) In the acoustically variable partition structure for a hall according to the present invention, the acoustically variable partition can be installed at an appropriate position in the front and back direction of the audience seating area of the hall. The volume of the interior space can be set to be continuously variable.
It is possible to set the optimal acoustic effect, or reverberation time, for hops, classical music, opera, etc.

(Example) Hereinafter, an acoustic variable partition structure for a hall according to a preferred example of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a longitudinal sectional view of a hall incorporating a variable acoustic partition structure according to an embodiment of the present invention, and in this figure, reference numeral 1 indicates the inside of the hall.

This hall interior 1 consists of a stage part 2 which is the front part, and an audience seat part 3 which is the rear part. A stage 4 is installed in the stage section 2, and audience seats are provided in the audience seat section 3 continuously behind the stage 4.

At least on the sides of the upper part of the audience seating section 3, there are sections in the hall parallel to each other, as shown in FIG. 2, for example.
A plurality of guide rails 5 are provided that extend in the front-rear direction. The number of rails 5 is selected depending on the width of the hall.

An acoustically variable partition 10 is provided on the rail 5 so as to be movable along the rail 5.

The acoustic variable partition 10 is provided on each rail 5,
The moving bodies 11 are arranged in a row in the lateral direction of the hall interior 1. Although not shown in detail, each movable body 11 is capable of moving along the rail 5, and is moved along the rail 5 by a drive mechanism 12 consisting of a motor, gears, etc. built into the movable body 11. It is meant to be moved along. Each of the movable bodies 11 is provided with bearings (not shown), and a flexible and elongated sound control member 13 made of cloth or the like is wound around these bearings, and a winding shaft is used for unwinding the sound control member 13. 14 is
It is rotatably supported at both ends thereof. The winding shaft 14 is rotationally driven by a motor 15 via a gear train (not shown) or the like. Note that the sound control member 13 may be a sound absorbing material such as the cloth described above, or may be a sound reflecting material made of a suitable material.

A control device 16 consisting of a microcomputer or the like is connected to the plurality of drive mechanisms 12 and motors 15. This control device 16 stores in its storage unit 17 a hall with variable acoustic partitions 10 that achieve the optimal acoustic effect, that is, reverberation time, for programs such as plays, hops, classical music, opera, etc., which have been measured and collected in advance. It stores data regarding the longitudinal position and vertical width of the .

Further, an operation panel 19 is connected to the control device 16, and includes a plurality of operation keys 18 for controlling each of the above-mentioned programs.

Next, the operation of the acoustically variable partition 10 according to the embodiment of the present invention having the above configuration will be explained.

In this operation, first, select and operate the operation keys 18 on the operation panel 19 to instruct the current performance. In this way, when a performance is instructed, the control device 16
Data regarding the longitudinal position and vertical width of the hall of the acoustically variable partition 10 corresponding to the program is read from the storage section 17, and then, according to this data, the plurality of drive mechanisms 12 and The motor 15 is operated to move the movable body 11 along the rail 5 (at this time, the plurality of drive mechanisms 12 are operated synchronously, and the plurality of movable bodies 11 are moved in a state aligned in the width direction of the hall. By rotating the winding shaft 14, the longitudinal position and vertical width of the acoustically variable partition 10 of the hall are set to predetermined values, and thus plays, hops, Krallantsk music, opera etc. Achieving the optimal acoustic effect, or reverberation time, for programs such as

In the above explanation of the operation, we have explained that the reverberation time is controlled by adjusting both the position of the acoustically variable partition 10 in the front and rear direction of the hall and the width in the vertical direction. It may be adjusted to control the reverberation time. In addition, in the above embodiment, the acoustic variable member was wound with a long flexible material such as cloth and then rewound laterally, as shown in FIGS. As shown in FIG. It may be a screen-like object that can move or change between the two.

As explained above, according to the variable acoustic partition structure of the present invention, the reverberation time can be changed continuously, thereby making it possible to set the optimal reverberation time for each program.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view of a hall incorporating a variable acoustic partition structure according to an embodiment of the present invention, FIG. 2 is a perspective view of the variable acoustic partition structure, and FIGS. 3 (a) and (b).
4(a) and 4(b) are diagrams showing modified examples of the acoustic control member in the acoustically variable partition structure in the folded and unfolded positions, respectively. FIGS. It is a figure showing an example in an overlapping position and an unfolded position. 1 Hall interior guide rail Acoustic variable partition Moving body drive mechanism Acoustic control member Winding shaft motor 275 Fig. 1 Fig. 3 Fig. 4 (a) (b) (a) (b) Fig. 2 Fig. 8

Claims (4)

[Claims] (1) The hall is characterized by having a variable acoustic partition made of an acoustic control member that divides the audience seating portion of the hall in the front-rear direction, and the variable acoustic partition being movable continuously in the front-rear direction of the hall. Acoustic variable partition structure for halls. (2) The acoustic variable partition structure for a hall according to claim 1, wherein the acoustic control member is an acoustic reflection member. (3) The acoustic variable partition structure for a hall according to claim 1, wherein the acoustic control member is a sound absorbing member. (4) The acoustically variable partition structure for a hall according to any one of claims 1 to 3, wherein the acoustically variable partition is adjustable in width in the vertical direction.