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JP2001134272

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Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2001134272
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
sound environment experience facility in which a home purchaser or the like can experience in
advance environmental sounds that are considered to intrude into the interior of an apartment
house or a detached house, for example.
[0002]
[Background Art] Conventionally, floor impact sounds such as sounds of running around on the
upper floor and dropping of objects before construction designers, developers, home purchasers,
etc. complete the building, pianos of adjacent doors, etc. A unit as shown in Fig. 7 and Fig. 8 as a
sound environment experience facility for checking by user's hearing the environmental sound
such as airborne sound such as TV sound, and external noise such as road traffic noise and
railway noise. A type of sound environment equipment is used.
[0003]
FIG. 7 is a front view showing the inside of a conventional sound environment bodily sensation
installation, and is formed of a rectangular parallelepiped box 20 having a space in which a
person with a sensation can sit, and this box 20 is made from the sound from the outside In
order to isolate, the outer wall 21 is composed of a sound insulation material and a sound
absorption material.
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Inside the box 20, there is provided a rectangular shaped sensation room 22 which is formed
slightly smaller than the box 20 as a space for experiencing the sound environment. A space 30
is formed between the inner wall 22a located in the front when seated and the outer wall 21 of
the box 20.
[0004]
Two flat speakers 23, 23 are arranged side by side in the wall of the inner wall 22a in the
sensation room 22 and attached. In addition, a display 31a of the computer 31 disposed in the
space 30 is attached to be embedded in the inner wall 22a between the flat speakers 23 and 23.
A position below the display 31a is A flat plate 31b extending in a direction perpendicular to the
inner wall 22a is attached, and a mouse or the like (not shown) for operating the computer 31 is
placed on the flat plate 31b. Also, on the ceiling 22b of the sensation room 22, two high sound
speakers 24 and 24 and one low sound speaker 25 are attached, and the low sound speaker 25
is the high sound speaker 24 or 24. It is arranged to be sandwiched between. Moreover, the
other inner wall 22c of the sensation room is provided with a door 26 for allowing the sensation
person to enter and exit.
[0005]
In the space 30, as shown in the block diagram of FIG. 8, in addition to a computer 31 for
performing control such as correction of the recorded sound, and a D / A converter 32 for
converting digital signals from the computer 31. The equalizer 33 compensates for the
deterioration of the signal from the D / A converter 32, and the power amplifier 34 amplifies the
signal from the equalizer 33 and outputs the amplified signal to the speakers 23 to 25.
[0006]
In the conventional sound environment experience equipment configured as described above, as
shown in FIG. 8, the position of the beam of the building as a target for experiencing the floor
impact sound etc. recorded in advance at various sites by the computer 31, It is corrected by the
attenuation value calculated based on the dimensions of the beam, the type and thickness of the
floor slab, the thickness of the wall, and the like, and the corrected value is output to the D / A
converter 32.
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The analog signal converted in this D / A converter passes through the equalizer 33 to
compensate for signal deterioration, is amplified by the power amplifier 34, and is provided with
the flat speaker 23 provided in the sensation chamber 22 and the high-tone speaker 24 and the
low frequency speaker 25. Thereby, the sensible person in the sensible room 22 operates the
computer 31 to experience a sound environment such as floor impact sound in a specific room
such as an apartment house by the user's own hearing in an environment isolated from external
sounds. be able to.
[0007]
SUMMARY OF THE INVENTION However, since the conventional sound environment facility is
integrally constituted by a box 20 having a sensation room 22 and a space 30 for installing a
computer 31 and the like therein. Inevitably, the number of parts constituting the equipment
increases, and the size of the equipment itself also increases. Therefore, since installation space
of a certain size is required, it was difficult to install in a room such as a model room. In addition,
installation and movement work of this equipment was difficult.
[0008]
This invention was made in order to solve the said subject, and it can be easily installed in
indoors, such as a model room, and it aims at providing space-saving and easy sound
environment installation of a movement etc. Do.
[0009]
According to the first aspect of the present invention, there is provided a partition member for
forming a space for experiencing a sound environment in a room, and an environmental sound
which is installed in the space and reproduced by an acoustic device. It is comprised from the
speaker apparatus arrange | positioned so that it may be made to generate toward the head of
the physical sensation person in space.
According to the second aspect of the present invention, the partition member is made to face a
corner or a wall of a room to form a space in which the user can feel a sound environment. In the
invention according to claim 3, the partition member contains a sound insulating metal fiber. The
invention according to claim 4 is that the partition member is a curtain in which sound insulating
metal fibers such as lead are woven. The invention according to claim 5 is the one in which the
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3
partition member is constituted by a fiber layer of non-woven fabric or microfiber woven fabric.
The invention according to claim 6 is that the partition member is a curtain in which a porous
layer made of cellular foam is laminated on the fiber layer. The invention according to claim 7 is
provided with an image display device for displaying an image linked to the environmental sound
to a sensible person.
[0010]
DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment 1 to 3 are views showing a
sound environment sensation facility according to an embodiment of the present invention. In
these figures, reference numeral 1 denotes rails 1m and 1m joined in an L shape for movably
holding a partition member. The rail portion is formed in, for example, a C-shape whose crosssectional shape opens downward, and a hook body (not shown) is movably attached in the
longitudinal direction of the rails 1m and 1m in the inside thereof. The curtain mentioned later as
a partition member is suspended. The rails 1 m and 1 m are fixed to the ceiling of the model
room 10 such that both ends thereof contact the wall surfaces 10 a and 10 b of the two sides of
the corner of the model room 10 respectively. Attached to the rail portion 1 is a support post 1a
extending from the corner portion of the L-shape toward the floor 10c to support the corner
portion of the rail portion 1 on the floor 10c of the model room 10.
[0011]
Reference numeral 2 denotes a bellows-like curtain as a partition member for partitioning the
interior of the model room 10. For example, by suspending with hooks (not shown) attached
along the rails 1 m and 1 m, the horizontal direction is 1 m and 1 m It is held in a movable state.
The curtain 2 is divided into two at the position of the column 1a of the rail portion 1 and can be
opened and closed freely. By closing the curtains 2 and 2, the wall surfaces 10a and 10b of the
corner of the model room 10 and the above The curtains 2 and 2 form a substantially
rectangular sound environment sensation space 11. That is, the curtains 2 and 2 refer to the
sound environment sensation space 11 as the other part in the model room 10 (hereinafter,
referred to as “external”). 2.) It has a function of shielding from 12 and has a certain level of
sound insulation function to the sound from the outside 12. Further, by opening the corner
portion side of the rail portion 1 of the curtains 2 and 2, this opening portion becomes an
entrance and exit of the sound environment feeling space 11.
[0012]
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In addition, it is good also as heightening a sound insulation function, using what contains the
metal fiber of a sound insulation as this curtains 2 and 2. FIG. In this case, a woven fabric may be
used in which metal fibers, for example, fibers made of any one or an alloy of Pb, Fe, Ni, Al, Cr,
etc. are incorporated. The woven fabric is not limited to the woven fabric of the same type of
metal fibers, and may be woven fabric of different types of metallic fabric. In general, since the
sound insulation property of the soundproofing material is influenced by the surface density, in
order to provide excellent sound insulation performance, it is sufficient to increase the specific
gravity of the metal fiber used and to increase the surface density of the curtain. . Therefore,
among the above-mentioned materials, it is preferable to use Pb or an alloy of Pb having high
density.
[0013]
Further, the curtains 2 and 2 may be replaced by those including sound insulating metal fibers,
and the sound insulation performance may be enhanced by using a laminate of a fiber layer and
a porous layer made of a polymer foam. In this case, as the fiber layer, in order to enhance the
sound insulation performance, it is better to use one with a small fiber diameter, for example, one
formed of a non-woven fabric using polypropylene, polyethylene, polyester, polyurethane or the
like, or a multifilament You may use what was formed with the used knitted fabric. In addition,
since the larger density of the fiber layer is better, it is preferable to further raise the density by
embossing or calendering the nonwoven fabric or the knitted fabric. The porous layer may be
formed of foamed polyurethane as the polymer foam, foamed polyethylene, non-woven fabric or
the like, or may be formed of a combination thereof. As for the cells of the foamed polyurethane
and the foamed polyethylene, the closed cell is preferable to the open cell and has better sound
absorbing performance.
[0014]
Reference numeral 3 denotes a speaker holding frame installed in the sound environment feeling
space 11, which extends upward from the floor 10c of the model room 10 and is disposed at
equal intervals in the circumferential direction as shown in FIGS. 2 and 3. It comprises three
cylindrical legs 3a, and a ring-shaped frame 3b as a speaker fixing part having its bottom surface
attached to the upper end of the legs 3a. The speaker holding frame 3 has its legs 3a disposed in
the sound environment and sensation space 11 so as not to interfere with the movement of the
physical sensation person 5 such as entering and leaving and sitting.
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[0015]
6 is a speaker device installed in the sound environment sensation space 11, and comprises six
small speakers 6a attached at substantially equal intervals on the inner peripheral side of the
frame 3b, and the sound environment sensation space 11 It comprises a sound device 6c
attached to the wall 10a and connected to each small speaker 6a by a connection line 6b.
Further, as shown in FIG. 3, the small speaker 6 a is a ring so that the direction in which the
sound is generated is directed to the head 5 a of the sensible person 5 seated on the chair 4
installed in the sound environment feeling space 11. It is being fixed to the frame 3b in the state
inclined in the direction which inclines a little from the frame 3b of shape. The sound device 6c
includes a computer for controlling the correction of the prerecorded sound as in the prior art, a
D / A converter for converting a digital signal from the computer, and a signal from the D / A
converter. It comprises an equalizer that compensates for deterioration, a power amplifier that
amplifies the signal from this equalizer, and outputs the amplified signal to each small speaker
6a. The acoustic device 6c is not necessarily installed in the sound environment sensation space
11, and may be operated by a person other than the sensation person by installing the acoustic
device 6c outside.
[0016]
In the present embodiment, after the speaker holding frame 3, the chair 4, and the speaker
device 6 are arranged at predetermined positions of corner portions of the model room 10, the
curtains 2, 2 suspended from the rail portion 1 are closed. The sound environment experience
space 11 is formed at the corner of the model room 10. As the size of the sound environment
bodily sensation space 11 formed in this manner, at least the above-mentioned speaker holding
frame 3 and the loudspeaker device 6 can be provided, and a space where the bodily sensation
person 5 sits can be secured. It will be good. As shown in FIG. 1, as a place for forming the abovementioned sound environment sensation space 11, it is possible to pick up light in the daytime
by selectively providing the wall 10a and 10b with the window 10d. Further, it is possible to
eliminate the need for lighting equipment and to reduce the feeling of pressure that the abovementioned person 5 feels in the above-mentioned sound environment feeling space 11.
[0017]
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By operating the speaker device 6 in a state where the sensible person 5 such as the purchase
planned person of the collective housing is seated on the chair 4 installed in the sound
environment sensible space 11, the floor impact from the six small speakers 6a Environmental
sounds such as sounds are generated, and the sensible person 5 can experience the sound
environment in a specific room or the like through his / her hearing. In this case, in addition to
the floor impact sound in the building and the sound insulation of the wall, environmental sounds
based on the natural environment such as the sea and rivers, and real sounds based on the
external environment such as noises on the car and railways are simulated. Use the one that In
addition, by causing the six speakers 6a to generate sounds reproduced by the sound device 6c
using a plurality of channels, for example, 6 channels of multi-channel sound recording and
reproduction, three-dimensional sound reproduction can be realized, and You can experience the
situation closer to the actual sound environment. In addition, Dolby-type reproduction may be
possible, and a method such as bodysonic may be used for reproduction of the bass range.
[0018]
Thus, in the sound environment bodily sensation installation according to the present
embodiment, the user can experience the sounds such as floor impact sounds reproduced by the
acoustic device, such as openable / closable partition members such as curtains that separate the
corner portions of the room from other portions. Since the speaker apparatus is provided with
the speaker that is generated toward the head of the person, the sound environment sensation
space can be formed easily and space-saving in the room such as the model room. Further, since
the sound environment feeling space is formed by the wall surfaces on the two sides of the
corner of the room such as the model room and the partition members, the number of parts for
forming the space can be reduced. In addition, since it is provided at the corner of the model
room, the entire model room can be widely used as compared with the case where it is provided
at the center side of the model room, and further, mounting of the rail part etc. The sound
environment sensation space can be moved easily by removing and moving the speaker holding
frame, the speaker device, and the like. In addition, by using the partition member including the
sound insulation material, a higher sound insulation effect can be obtained, and the sensible
person can experience the environmental sound without being influenced by the external sound,
and the sound environment space Leakage to the outside of environmental sound reproduced
inside can be reduced, and discomfort to other visitors in a model room etc. can be prevented. In
the present embodiment, the substantially rectangular sound environment sensation space is
formed by the partition member held by the L-shaped rail portion, but the present invention is
not necessarily limited to this shape, and an acoustic sensation space The shape is not limited as
long as it can secure the necessary space. Therefore, for example, the rail portion as the holding
member may be formed in an arc shape or the like. In addition, the speaker device is not limited
to one supported by three legs, and may be supported by two or one leg by, for example,
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attaching and stabilizing a base having a long side shape to the lower end of the legs.
Alternatively, the legs may be fixed to a chair on which the physical occupant sits. Note that the
number of small speakers may be smaller or larger than six as long as the three-dimensional
sound can be realized. Moreover, although what laminated | stacked the porous layer on the fiber
layer was used about the curtain as said partition member, it is good also as comprising a curtain
only by a fiber layer.
[0019]
Second Embodiment FIGS. 4 (a) and 4 (b) are plan views showing partition members constituting
the sound environment bodily sensation facility according to Embodiment 2 of the present
invention. In the first embodiment described above, the sound environment space is formed by
dividing the indoor corner by the partition member held by the L-shaped rail portion. However,
as shown in FIG. The sound environment space 13 may be formed by partitioning by an openable
/ closable partition member 8A held by, for example, a semicircular rail portion 7A opposed to a
flat wall 10a below the portion. Further, as shown in FIG. 4B, even if the sound environment
sensation space 13 is formed by partitioning by the partition member 8B held by the square rail
portion 7B without using the indoor wall 10a etc. Good. As a result, in the room such as the
model room, the sound environment sensation space 13 can be formed at a free position without
being limited to the corner of the room. In addition, the shape of the rail part in this Embodiment
is not restricted to the above thing, The thing of various shapes can be used, for example, when
using a wall, you may use a U-shaped thing, and When the wall is not used, circular or elliptical
one may be used.
[0020]
Third Embodiment FIG. 5 is a side view showing a speaker holding frame of the sound
environment bodily sensation facility according to Embodiment 3 of the present invention. In the
first embodiment described above, the small speaker 6a is directed obliquely downward to the
frame 3b and fixed so as to face the head 5a of the sensible person 5. For example, as shown in
FIG. By attaching a small speaker horizontally to the holding frame and using the abovementioned speaker holding frame which can extend and contract in the upper and lower
directions, the head 5a of the sensible person 5 is surrounded at the time of feeling. Good. For
example, as shown in FIG. 5, the speaker holding frame 9 includes a frame 9b, a cylindrical first
leg 9d for supporting the frame 9b on the floor 10c, and a tubular leg 9d. It comprises a
cylindrical second leg 9e movably inserted up and down on the inner circumferential side. A
plurality of screw holes 9f are formed on upper and lower straight lines in the side surface of the
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second leg 9e, and the first leg 9d is a through hole formed to have the same diameter as the
screw hole 9f. Holes 9g are formed. The speaker holding frame 9 fixes the height of the frame 9b
by screwing the fixing screw 9h in a state where the screw hole 9f and the through hole 9g are
aligned. . In this case, in FIG. 5, the screw holes 9f are provided at two locations at the top and
bottom, but the position and number of the screw holes 9f are not limited to this, and the number
of screw holes 9f is increased In addition, fine height adjustment becomes possible. Further, in
this case, the small speaker 6a is horizontally mounted to face the center of the frame 9b. In
addition, in FIG. 5, small-sized speakers other than the small-sized speakers 6a and 6a positioned
before and after the physical sensation person 5 are omitted.
[0021]
In the speaker holding frame 9, before the physical sensation person 5 is seated on the chair 4,
the second leg 9 e is shifted upward in the first leg 9 d as indicated by the one-dot chain line in
FIG. The screw hole 9f provided at the lowermost position is aligned with the through hole 9g
and fixed with a screw 9h. Then, in a state where the feeling person 5 is seated on the chair 4,
the screw 9h is removed, and a screw hole is formed at a predetermined position where the small
speaker 6a horizontally attached to the frame 9b surrounds the head 5a of the feeling person 5
9f is matched with the through hole 9g and fixed with a screw 9h. As described above, since the
frame body 9 b is fixed at the upper position before sitting of the physical sensation person 5,
the movement of the physical sensation person 5 is not disturbed. Further, after the sitting of the
sensible person 5, by arranging the small speaker 6a so as to surround the head 5a of the
sensible person 5, the sound output generated from the small speaker 6a can be reduced, and
further, outside The influence of the sound from 12 can be reduced, and the physical sensation 5
can be concentrated on the environmental sound generated from the smaller speaker 6a. Note
that the leg portion of the speaker holding frame according to the present embodiment is not
limited to being positioned by screw fitting as long as it can expand and contract in the upper
and lower directions. In addition, it senses the sitting condition of the human body in the chair,
and shrinks downward according to the head of the human body, and stretches upward and
downward so that the human body extends upward in the standing state from the chair May be
controlled. In the present embodiment, the small speaker 6a is described as being mounted
horizontally, but the present invention is not limited to this. The speaker holding frame can be
vertically extended and contracted to be set to various heights. The small speaker may be fixed at
various inclinations other than horizontal. In addition, the inclination of the small speaker is not
necessarily fixed, and may be adjusted to any inclination when feeling and moving. As described
above, by enabling the height of the speaker holding frame and the inclination of the small
speaker to be set arbitrarily, the direction of the small speaker can be reliably directed to the
head direction of the sensible person at the time of the sensible feeling. It can be prevented that
it gets in the way at the time of operation such as movement of.
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[0022]
Fourth Embodiment FIG. 6 is a perspective view showing a speaker holding member according to
a sound environment bodily sensation facility according to a fourth embodiment of the present
invention. In this figure, 15 is a speaker holding member formed in the shape of a dome
(hemispherical shape) opened downward, and a hinge or the like not shown is attached to the
upper end of the backrest 14a of the chair 14 installed in the sound environment space. It is
attached so as to be able to rotate about 90 degrees through it. In the vicinity of the lower end of
the inner peripheral surface of the opening 15a of the dome-shaped speaker holding member 15,
a plurality of small speakers 6a (four in the present embodiment) face the center with respect to
the circumferential direction. It is attached at equal intervals. Further, a display mounting portion
15b is formed so that a part of the lower end of the speaker holding member 15 vertically
extends downward, and the display 16 as an image display device is mounted on the inner
peripheral surface thereof. The display mounting portion 15 b is formed such that the display 16
mounted on the front of the head of a non-sensible person seated on the chair 14 is positioned.
In addition, in FIG. 6, in the speaker holding member 15 shown with a dashed-dotted line,
illustration of the small speaker 6a and the display 16 is abbreviate | omitted. As for the size of
the speaker holding member 15, the small speaker 6a attached to the inner peripheral surface of
the opening 15a and the display 16 have a fixed distance to the head of a sensible person (not
shown) seated on a chair When the human being moves the head, the small speaker 6a and the
display 16 can be maintained. The speaker holding member 15 is supported so that the opening
15a is directed in the horizontal direction, as shown by the one-dot chain line in FIG. In this state,
the small speaker 6a attached to the inner peripheral surface of the user is supported by the
opening 15a so that the opening 15a is directed to the floor direction while rotating about 90
degrees in the forward direction. A display 16 is disposed in the surrounding and in front of the
head of the user. In this state, the environmental sound is reproduced from the small speaker 6a,
and the display 16 displays an image of the external environment such as the generation cause
of the environmental sound in conjunction with the environmental sound reproduced from the
small speaker 6a. Ru. In this case, as the image displayed on the display 16, image data of a
moving image obtained by recording or simulating an external environment causing
environmental noise in advance at a planned construction site or the like is used.
As described above, by attaching the speaker holding member to the chair, the number of parts
can be reduced and the space can be further saved. In addition, since the dome-shaped speaker
holding member is used, the influence of external sound can be reduced, and the body can
concentrate more on the environmental sound generated from the small speaker. In addition, a
display is provided inside the dome-shaped speaker holding member, and the environmental
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sound reproduced by the acoustic device and the image data based on the image of the external
environment are interlocked to be given to the experienced person. As well as being able to
concentrate, it is possible to experience the sound environment with a sense closer to the actual,
and it is possible to judge the soundproofing effect etc. in a building targeted by a model room or
the like. Note that the speaker holding member in the present embodiment may be turned
manually, or may be controlled by detecting a state in which a human body is seated on a chair.
Further, in the present embodiment, the display is attached to the speaker holding member, but
may be attached to the speaker holding frame shown in the first and third embodiments, and a
support leg or the like may be separately provided on the display. It may be
[0023]
According to the first aspect of the present invention, the partition member for forming a space
for experiencing the sound environment in the room, and the environmental sound installed in
the space and reproduced by the acoustic device are in the space. The speaker device is arranged
to be generated toward the head of the human being, so that the sound environment sensation
space can be easily and space-saving in a free position in a room such as a model room. it can.
According to the second aspect of the present invention, since the partition member is made to
face the corner or wall of the room to form a space for experiencing the sound environment, the
sound environment can be simply and space-saving in the room such as a model room. The
sensational space can be formed. Further, since the sound environment feeling space is formed
by the wall surfaces on the two sides of the corner of the room such as the model room and the
partition members, the number of parts for forming the space can be reduced. According to the
third aspect of the present invention, since the sound insulating material is included in the
partition member, a high sound insulation effect can be obtained, and the penetration of sound
from the outside into the sensation space, and the sensation space It is possible to reduce
external leakage of environmental sound reproduced inside. According to the fourth aspect of the
present invention, since the partition member is formed of a curtain in which a sound insulating
metal fiber such as lead is woven, a higher sound insulation effect can be obtained with a simple
configuration. According to the invention as set forth in claim 5, since the partition member is
constituted by the fiber layer of the non-woven fabric or the microfiber woven fabric, a high
sound insulation effect can be obtained, and the sound from outside into the sensational space
can be obtained. It is possible to reduce intrusion and external leakage of environmental sound
reproduced in the sensation space. According to the sixth aspect of the present invention, since
the partition member is a curtain in which a porous layer made of cellular foam is laminated on
the fiber layer, a higher sound insulation effect can be obtained with a simple configuration. .
According to the seventh aspect of the present invention, since the image display apparatus for
displaying the image linked to the environmental sound to the physical sensation person is
provided, it is possible to further concentrate on the environmental sound, and further the sound
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environment with a sense closer to actuality. It is possible to feel and to judge the soundproofing
effect etc. in the building targeted by the model room etc.
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