JPH0753350Y2 - Sound room system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a sound room system for easily forming an acoustic space in a room, in which a speaker device itself has an acoustic characteristic adjusting function.

[Conventional technology]

2. Description of the Related Art Conventionally, there is known a sound room system in which an acoustic panel (sound absorbing panel, reflective panel) is erected on a wall in a room to easily form a desired acoustic space. In the conventional sound room system, the speaker device itself does not have a function of adjusting the acoustic characteristics of the acoustic space.

[Problems to be Solved by the Invention] In the conventional sound room system, since the speaker device itself does not have the function of adjusting the acoustic characteristics of the acoustic space as described above, the sound is generated even in the position behind the speaker device. There is a problem in terms of space efficiency because it is necessary to dispose an acoustic property adjusting material such as a panel.

This invention intends to solve the above-mentioned problems in the prior art and provide a sound room system with improved space efficiency.

[Means for Solving the Problems]

According to the invention, speaker devices are arranged at four corners at arbitrary points in an indoor space, and acoustic panels are appropriately arranged between adjacent speaker devices to form an acoustic space having a substantially rectangular planar shape. The speaker device has a skeleton formed in a column shape having a substantially trapezoidal cross section in which one side of a rectangle is inclined, and the outer peripheral surface of the skeleton is covered with a cloth, A speaker cabinet having a speaker unit is housed and fixed in an internal space formed in the back at a position above an inclined surface corresponding to the inclined portion of the trapezoid, with its sound emitting surface facing outward, and behind the cloth. A low-temperature absorber is housed in a portion of the internal space formed in the area excluding the speaker cabinet, and the speaker device has the inclination at the four corners of the acoustic space. The is made are disposed toward the center of the acoustic space.

[Action]

According to this invention, since the speaker device itself houses the bass absorber in its internal space, there is no need to separately arrange an acoustic panel, bass absorber, etc. behind the speaker device, improving space efficiency and construction. The time can be shortened.

〔Example〕

One embodiment of this invention is shown in plan view in FIG. this is,
An acoustic space 14 formed by the sound room system of the present invention is formed in a part of the indoor space 12 in the room 10.

The arrangement in the acoustic space 14 is shown enlarged in FIG. Two main speaker devices 18 and 20 and a storage box 22 are arranged in front of the acoustic space 14. An audio playback device 24, a sound field playback processor 26, and the like are stored in the storage box 22. The front surfaces of the doors 28 to 31 of the storage box 22 may be composed of acoustic panels.

Sound field reproducing speaker devices 32 to 35 are arranged at four corners of an acoustic space 14 having a substantially rectangular plane shape. A wall-mounted acoustic panel 36 (36a: sound absorbing panel, 26b: reflective panel) leans against or is hung on the wall 16 at the right and rear of the acoustic space 14 except the sound field reproducing speaker devices 33 to 35. It's set down. In addition, self-standing acoustic panels 38 and 40 are provided at positions on the left side excluding the speaker devices 32 and 34 for sound field reproduction.

A structural example of the wall-mounted acoustic panel 36 is shown in FIG. Moreover, the AA arrow line view is shown in FIG. In the case of a sound absorbing panel, the acoustic panel 36 is configured by fitting a sound absorbing material such as glass wool into a frame and covering the whole with a cloth. In the case of a reflective panel, it is made of, for example, plywood. The sound absorbing material may be used on the front side and the reflecting material may be used on the back side. Hook 38 on top of acoustic panel 36
Is attached to the wall 40 of the wall 16 and hung. The lower portion of the acoustic panel 36 is in contact with the convex portion 42 of the wall 16.

An example of the structure of the self-supporting acoustic panel 38 is shown in FIG. The acoustic panel 38 is a combination of a sound absorbing panel 38a and a reflecting panel 38b that can be opened and closed in a folding screen shape, and is used independently on the floor. You can also attach legs to the bottom to prevent it from falling over. The self-standing acoustic panel 40 shown in FIG. 1 is also constructed by combining three sound absorbing panels 40a and reflecting panels 40b.

The self-supporting acoustic panel 38 can also be constructed as shown in FIG. In this structure, a leg 41 with casters is attached to an acoustic panel 39 (a sound absorbing panel or a reflecting panel) so as to be movable.

FIG. 5 shows a specific example of the sound field reproducing speaker devices 32 to 35. A sectional view taken along the line BB is shown in FIG. The sound field reproducing speaker devices 32 to 35 have a skeleton 44 formed in a column shape having a substantially trapezoidal cross section in which one side of a rectangle is inclined.
Having a bass absorber 46 such as glass wool as an acoustic characteristic adjusting material accommodated in the internal space 45 surrounded by the skeleton 44, and accommodated and fixed in the upper portion of the speaker cabinet inclined surface 47 in which the speaker unit 49 is mounted, It is configured by covering the outer peripheral surface with a cloth 50, and is movably placed on the floor for use.
In the sound field reproduction speaker devices 32 to 35, the sound emission surface of the speaker cabinet 48 is directed toward the center of the sound space 14 in the sound section.
It is placed in fourteen corners. It should be noted that an audio device, an audio disk and other housing devices, lighting, etc. can be incorporated in a part surrounded by the frame 44. It can also be connected to a floor or wall to prevent it from falling. The height of the sound field reproducing speaker devices 32 to 35 is, for example, a speaker cabinet.
It is possible to set the height (for example, about 1 to 2 m) at which 48 can be installed at a preferable height for sound field reproduction.

According to the configuration of FIG. 1, the sound field reproducing speaker devices 32 to 35.
Since the bass absorbing portion itself is configured, it is not necessary to separately arrange an acoustic panel or the like behind the bass absorbing portion, and space efficiency is improved. Further, since the heights of the sound field reproduction speaker devices 32 to 35 are configured to be high and the speaker unit 49 is arranged on the upper portion thereof, the sound field reproduction speaker cabinet 48 can be formed without using a wall mounting bracket or the like unlike the conventional case. Can be placed in high places.

It is also possible to attach an acoustic characteristic material to the main speaker devices 18 and 20 (for example, a baffle board is composed of an acoustic panel).

Another arrangement example of the sound room system shown in FIG.
Shown in FIG. FIG. 7 shows an example in which the one-room living / dining room 52 is divided into two use areas, an acoustic space 54 and a dining space 56. In the acoustic space 54, the main speaker devices 18 and 20 and the storage box 22 are arranged in the front, the sound field reproducing speaker devices 32 to 35 of FIG. 5 are arranged in the four corners, and the acoustic panels 36 are hung on the left and right sides on the wall. It is arranged and opened in the direction of the dining space 56.

FIG. 8 shows an example in which an acoustic space 60 is used in the L-shaped living room 58. In the acoustic space 60, the main speaker devices 18 and 20 and the sound field reproducing speaker devices 32 to 35 shown in FIG. Further, the storage box 22 is arranged outside the acoustic space 60.

[Effect of device]

As described above, according to the present invention, since the speaker device itself houses the bass absorber in its internal space,
It is not necessary to separately arrange an acoustic panel or the like behind the speaker device, so that space efficiency can be improved and construction time can be shortened. In addition, the speaker cabinet can be arranged at a high place and toward the center of the acoustic space without using wall mounts or the like.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention. FIG. 2 is a front view showing a detailed example of the acoustic panel 36 (36a, 36b) of FIG. FIG. 3 is a sectional view taken along the line AA of FIG. FIG. 4 is a perspective view showing a detailed example of the acoustic panel 38 of FIG. FIG. 5 is a perspective view showing a detailed example of the speaker device for sound reproduction of FIG. FIG. 6 is a sectional view taken along the line BB of FIG. FIG. 7 and FIG. 8 are plan views showing other examples of arrangement by the sound room system of FIG. 1, respectively. FIG. 9 is a perspective view showing another configuration example of the acoustic panel. 14,56,60 …… Acoustic space, 32-35 …… Speaker device, 36,3
8,40 …… Acoustic panel, 44 …… Frame, 45 …… Internal space,
46 …… Bass absorber, 47 …… Slope, 48 …… Speaker cabinet, 49 …… Speaker unit.

Claims (1)

[Scope of utility model registration request] 1. An acoustic space having a substantially rectangular planar shape is formed by arranging speaker devices at four corners at arbitrary positions in an indoor space and appropriately arranging acoustic panels between adjacent speaker devices. The speaker device has a skeleton formed in a column shape having a substantially trapezoidal cross section in which one side of a rectangle is inclined, and the outer peripheral surface of this skeleton is covered with a cloth, A speaker cabinet having a speaker unit is housed and fixed at an upper position of an inclined surface corresponding to the inclined portion of the trapezoid in an inner space formed behind the housing, and a sound emitting surface of the speaker cabinet faces outward, and A bass absorber is housed in a portion of the internal space formed behind the speaker except for the speaker cabinet, and the speaker device has the inclination at the four corners of the acoustic space. Sound Room system comprising disposed toward the surface toward the center of the acoustic space.