JP3078092B2 - Hall sound planning support system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hall sound planning support system used for designing a hall for performing music, drama, lectures and the like.

[0002]

2. Description of the Related Art When designing a hole as described above, conventionally, generally, a hole shape design is first designed, and based on the design, an inner wall shape and a material for enhancing an acoustic effect are used.
Or, they design acoustics such as the location of the seats.

[0003]

However, as in the prior art, the design design and the acoustic design are separate, and the hole-shaped design precedes and the acoustic design is designed to match the design. There was a drawback that the sound effect could not be sufficiently enhanced due to the reception.

[0004] In addition, the sound design is performed based on the data sent from the design designer. If there is a problem in the sound design and the design needs to be changed, the sound is returned to the design designer to make a correction. For example, there is a drawback that data must be exchanged between a design designer and an acoustic designer, which is inefficient and requires a long time for design.

The present invention has been made in view of such circumstances, and a hall sound planning support system according to the first aspect of the present invention can efficiently design a hall having a high sound effect. The hall acoustic planning support system according to the second aspect of the present invention makes it possible to easily create model data in the initial stage and to further improve design efficiency. With the goal.

[0006]

According to the first aspect of the present invention, in order to achieve the above object, a hall sound planning support system creates model data based on input hall specification data or correction data. Model data creating means, a hole shape forming means for forming a hole shape based on the latest model data created by the model data creating means, and a function evaluating means for evaluating a functional situation based on the latest model data. A hole shape forming means for forming a cross-sectional shape based on the latest model data; a plane shape forming means for forming a plane shape based on the latest model data; and the latest model data. Basic shape forming means for forming a basic shape obtained by synthesizing a cross-sectional shape and a planar shape on the basis of Model data correcting means for replacing model data created based on the corrected data with the model data creating means with correction of the cross-sectional shape, planar shape and basic shape formed by the shape forming means and the basic shape forming means, respectively. And an acoustic simulation means for simulating and displaying an acoustic situation based on the latest model data in the function evaluation means, and a visual axis simulation means for simulating and displaying a visual situation from an arbitrary position based on the latest model data And design simulation means for simulating and displaying the design based on the latest model data.

According to a second aspect of the present invention, there is provided a hall acoustic planning support system, wherein the model data generating means according to the first aspect of the present invention comprises: A hole model storage means stored in advance, a hole model reading means for reading model data of a corresponding hole from the hole model storage means in response to an input shape signal, and model data or correction data read by the hole model reading means. And model data storage means for storing model data based on the model data.

[0008]

According to the configuration of the hall acoustic planning support system according to the first aspect of the present invention, the sectional shape, the planar shape, or the basic shape formed by the hole shape forming means based on the model data created by the model data creating means. For the shape, design the overall shape, etc. while appropriately modifying it with model data correction means, perform acoustic evaluation, gaze evaluation and design evaluation on the designed design with function evaluation means, and repeat them ,
The final design can be designed simultaneously with the acoustic design.

According to the configuration of the hall acoustic planning support system according to the second aspect of the present invention, by inputting the shape signal, the model data of the hole prestored in the hall model storage means is read and the model data is stored. By storing in the means, the initial model data in the model data creating means can be created.

[0010]

Next, an embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration of a hall sound planning support system according to the present invention.
A keyboard 3, a mouse 4, a color image scanner 5, a sound simulation software 6, a real sound simulation software 7, and a construction software 8 are connected to a computer 1 having a built-in memory, a RAM, a numerical processor, a hard disk, etc. via an input interface 2.
On the other hand, a character display 10, a picture display 11, a full-color printer 12, a film recorder 13, a laser printer 14, a plotter 15, and an audio signal output unit 31 via the output interface 9.
Is connected.

In the computer 1 (CPU), there are provided model data creating means 16, a hole shape forming means 17, and a function evaluating means 18. In the model data creating means 16, the inputted hole specification data or Model data is created based on the correction data, and a hole shape is formed in the hole shape forming means 17 based on the latest model data in the model data creating means 16, and a model data creating means is created in the function evaluation means 18. The function status is evaluated based on the latest model data in S16.

The model data creating means 16 includes
As shown in the block diagram of FIG.
, A hole model reading means 20, and a model data storage means 21.

The hole model storage means 19 receives hole specification data from a keyboard 3 or a color image scanner 5 or a hole data file, and stores model data of a large number of holes of different types in advance. Has become.

The model data of the hole stored in the hole model storage means 19 includes, for example, the name of the hole,
Location, use, owner, year of completion, designer, acoustic designer,
Construction, type, number of seats, reverberation time, seat area, stage area, seat volume, stage volume, stage opening, stage height, maximum seat height, interior finishing, seat chair specifications, hall shape data (plan view, sectional view) , Floor curve, etc.), hall specification data such as introspection.

The hole model reading means 20 stores the model data of the corresponding hole in response to a shape signal, such as the number of accommodations, a planar shape, or a cross-sectional shape, input by the keyboard 3 or the mouse 4, for example. Read from.

The model data storage means 21 stores model data read by the hole model reading means 20 or model data based on correction data described later.

The hole shape forming means 17 includes a cross-sectional shape forming means 22, a plane shape forming means 23, a basic shape forming means 24, and a model data correcting means 25.

The cross-sectional shape forming means 22 forms a cross-sectional shape based on the latest model data stored in the model data storage means 21, and the plane shape forming means 23 stores model data. The plane shape is formed based on the latest model data stored in the means 21.

The basic shape forming means 24 forms a basic shape by combining a cross-sectional shape and a planar shape based on the latest model data stored in the model data storage means 21.

The model data correcting means 25 corrects the cross-sectional shape, the planar shape, and the basic shape formed by the cross-sectional shape forming means 22, the planar shape forming means 23, and the basic shape forming means 24, respectively. The model data created based on the above is replaced and input to the model data storage means 21 in the model data creation means 16.

The function evaluation means 18 includes an acoustic simulation means 26 and a visual axis simulation means 27
And a design simulation means 28.

The acoustic simulation means 26 is based on the latest model data stored in the model data storage means 21 and shows a sound diagram, a hedgehog (a directional diffusivity is shown in a diagram, Simulates the intensity of the sound from the reflected sound, and shows its intensity and direction), reflected sound response, echo pattern, specific wall sound ray, sound ray trace, single wall Simulated display of acoustic conditions such as reflections from the waves, tracking of the wavefront, and the like.

Based on the latest model data stored in the model data storage means 21, the line-of-sight simulation means 27 is provided at an arbitrary position such as the center position or both end positions of the first floor seat, the second floor seat, and the third floor seat. The gaze state from the simulated display is displayed.

The design simulation means 28
Is based on the latest model data stored in the model data storage means 21, based on the wall shape, interior material, color,
The design such as the overall shape is simulated and displayed.

Next, a design procedure performed by the hall acoustic planning support system having the above configuration will be described with reference to the flowcharts of FIGS.

First, it is determined whether or not a shape signal has been input (S1). With the input of the shape signal, the model data of the hole corresponding to the shape signal is read from the hole model storage means 19 by the hole model reading means 20. The data is read and stored in the model data storage unit 21 (S2).

Thereafter, the processing shifts to the processing by the hole shape forming means 17, and if the cross-sectional shape is designated, the cross-sectional shape is formed by the cross-sectional shape forming means 22 as shown in FIG. The cross-sectional shape is displayed on the character display 10 (S3, S4). If the plane shape is designated, the plane shape is formed by the plane shape forming means 23 as shown in FIG. Is displayed on the character display 10 (S
5, S6) Further, if the basic shape is designated, as shown in FIG. 6A, the basic shape is formed by combining the sectional shape and the planar shape by the basic shape forming means 24. As shown in FIG. 6B, the basic shape is displayed on the character display 10 (S7, S8).

When any one of the cross-sectional shape, the planar shape, and the basic shape is corrected by the mouse 4, it is determined (S9), and the process proceeds to step S10. The model data is automatically created, and the model data is replaced with the model data of the previous model data.
And memorize it.

After the formation of the shape is completed (S11), the processing shifts to the processing by the function evaluating means 18.
Character display 10 or picture display by selecting the corresponding acoustic conditions such as sound diagram, hedgehog, reflected sound response, echo pattern, specific wall sound ray, sound ray trace, reflection on a single wall, wavefront tracking, etc. 11 is simulated (S12, S13).

In the case of a line-of-sight simulation, the line-of-sight simulation means 27 uses the first floor seat, the second floor seat,
The gaze state from a corresponding arbitrary position such as the center position or both end positions of each of the third floor seats is simulated and displayed on the character display 10 or the picture display 11 (S14, S15). This line-of-sight condition is set on the basis of the step floor determined based on the latest model data associated with the formation by the hole shape forming means 17 described above. That is, as shown in the cross-sectional view of FIG. 7A, as shown in the cross-sectional view of FIG. And the floor determined based on the visual angle θ between the audience seat 29 and the stage 30, or the floor determined in consideration of the direct sound propagation from the stage 30 to the audience 29 side.

In the case of a design simulation, the design simulation means 28 simulates and displays a design such as a wall shape, an interior material, a color, and an overall shape on the picture display 11 (S).
16, S17).

As a result of the function evaluation based on any one of the acoustic simulation, the eye gaze simulation, and the design simulation, when it is necessary to change the shape (S18), the process proceeds to step S3, where the hole shape forming means 17 corrects the shape. I do.

After the function evaluation by the function evaluation means 18 is completed (S19), it is determined whether or not to make a presentation (S20). When making a presentation, as shown in the front view of FIG. In addition, a wire frame indicating the frame of the stage 30 is displayed on the character display 10 (S21), and an introspection viewed from an arbitrary position (place) is displayed on the picture display 11 by computer graphics.

It is determined whether or not to end after the above processing (S22), and if not, the flow proceeds to step S3.
Otherwise, end.

As described above, the design design of the overall shape and the like and the function evaluation for the design are simultaneously performed.
The design of the final design and the acoustic design can be done at the same time, and the hall itself created by it can be displayed by computer graphics,
Further, they can be printed or recorded by the full-color printer 12, the film recorder 13, the laser printer 14, and the plotter 15.

The model data obtained by the hall sound planning support system can be heard through a sound signal output unit 31 and an amplifier or a speaker to listen to real sound.

The model data obtained by this hall acoustic planning support system is an acoustic simulation system, a real sound simulation system, and a construction C
It can be easily applied to AD.

[0039]

According to the hall acoustic planning support system of the first aspect of the present invention, design design such as overall shape,
Since the function evaluation for it can be performed simultaneously and the final design design and acoustic design can be performed simultaneously, there is no need to transfer data between the design designer and the acoustic designer. In addition, restrictions on design were reduced, and holes with high acoustic effects could be designed efficiently.

According to the configuration of the hall acoustic planning support system according to the second aspect of the present invention, initial model data can be created only by inputting a shape signal. Compared to
Model data can be created very easily and quickly,
The design efficiency can be further improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the overall configuration of a hall sound planning support system according to the present invention.

FIG. 2 is a block diagram illustrating a configuration of a main part of a computer.

FIG. 3 is a flowchart.

FIG. 4 is a flowchart.

5A is a cross-sectional view showing a cross-section forming state, and FIG. 5B is a perspective view showing a cross-section forming state.

6A is a perspective view showing a combined state of a cross section and a plane, and FIG. 6B is a perspective view showing a basic shape.

FIG. 7 is a cross-sectional view for determining a floor.

FIG. 8 is a front view.

[Explanation of symbols]

 16 ... Model data creation means 17 ... Hole shape formation means 18 ... Function evaluation means 19 ... Hole model storage means 20 ... Hole model reading means 21 ... Model data storage means 22 ... Section shape formation means 23 ... Plane shape formation means 24 ... Basic Shape forming means 25 ... Model data correcting means 26 ... Acoustic simulation means 27 ... Gaze simulation means 28 ... Design simulation means

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-1-239674 (JP, A) JP-A-3-5890 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G06F 17/50 G06F 17/00 JICST file (JOIS)

Claims (2)

(57) [Claims] 1. A model data creating means for creating model data based on input hole specification data or correction data, and a hole for forming a hole shape based on the latest model data created by the model data creating means. A cross-sectional shape forming means comprising: a shape forming means; and a function evaluation means for evaluating a function status based on the latest model data, wherein the hole shape forming means forms a cross-sectional shape based on the latest model data. Plane shape forming means for forming a plane shape based on the latest model data; basic shape forming means for forming a basic shape obtained by combining a cross-sectional shape and a plane shape based on the latest model data; Cross-sectional shape, planar shape formed by cross-sectional shape forming means, planar shape forming means, and basic shape forming means, respectively And model data correcting means for replacing the model data created based on the corrected data with the model data creating means in accordance with the correction of the basic shape, and wherein the function evaluating means comprises the latest model data. Acoustic simulation means for simulating and displaying an acoustic situation based on a visual line; Sight line simulating means for simulating and displaying a sight state from an arbitrary position based on the latest model data; and a simulated display of a design based on the latest model data A hall sound planning support system, comprising: a design simulation unit for causing 2. A model data generating means according to claim 1, wherein: a model storing means for storing model data of a large number of holes of different types in advance; and a model data of a corresponding hole in response to an input shape signal. A hall acoustic planning support system comprising: a hall model reading unit that reads from the hall model storage unit; and a model data storage unit that stores model data read by the hall model reading unit or model data based on the correction data.