JP2584306Y2 - Wide-area sound intensifier - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generally relates to a viewing area.
A room or open room that emits sound of any size called
Wide-area acoustic emission especially suitable for radiating sound in a closed space
In this room or space,
Solution means slage, arena, circus ring, etc.
The sound is played from the equally enlarged playing area
Is radiated and the performance area and the viewing area overlap
It is about what can happen. 2. Description of the Related Art Known wide-area sound radiating devices are mostly 3
It can be grouped under one basic principle.
The first and most widely used are from the center
It is the principle of acoustic radiation. One with the appropriate directional effect or
Several sound radiators (speakers) are mainly used in the performance area
Located in the center, above or on the periphery. Each in the viewing area
From the location, the performance is always the same
Position. This principle is a big acting
It is unsuitable for the area and / or viewing area. big
In the case of the performance area, positional errors are increasingly detected, and
The danger of raw feedback increases. Large viewing area
Therefore, even with the good directivity of the radiator, the sound level
The difference between the bell distribution and the timbre distribution should now be balanced
Can not. This also results in fluctuations in the propagation time.
Can get. [0003] The second principle is that distribution is provided in the viewing area.
Related to the emission of dispersed sound by an acoustic radiator
is there. Various solutions for placement of acoustic radiators are proposed
Was done. The change is based on the sound emission system according to the first principle.
Some radiation in the disadvantageous band in the viewing area in the system
Because of the additional equipment, individual sound emission at each listening position
Allocate a projectile to locate deep within the viewing area
Utilizing additional equilibrium of propagation time for acoustic radiators
The change has gone up to that. [0004] The danger of playback feedback is thus
Can be reduced. The disadvantage inherent in this principle is
The sound source position is not correct mainly in most of the viewing area.
Regarding being clear or wrong. [0005] The third principle is that the apparent sound source or the first wave
Two in connection with the position measurement by the physical properties of the front end of
Take advantage of the possibility of multiple channels of intensity or phase
I use it. In addition to its application in radio stereophony,
This principle is mainly applied to the reproduction of sound sound film.
Between the viewing area and the acting area for optical reasons.
Already exists in this case, in which case the acting area is vertical
Surface area and the viewing area has a small widthwise spread
You. Increasing the expansion of the acting area as well as the viewing area
The technical burden is greatly increased by the
Or out-of-focus increases. For amplitude ratio or phase assignment
Therefore, the viewing area where the correct position can be determined is generally
Much smaller than the distance between projectiles. Large area acoustics
For radiation, the existing room is used as a performance and viewing area
When it must be used to its fullest
The stereophonic effect is therefore inadequate. [0006] Based on these basic principles, a wide area acoustic radiation
The system became known (GDR-PNo. 120.3).
41), but this has been in many embodiments to date.
Results in the best sound quality and spatial perception
It is. This creates a spatially restricted sound in the acting area
Source areas, each of which
Area with microphone and delay element assigned
It is. Natural sound propagation time with respect to sound radiator location
The electrical delay of the sound source area that has been delayed slightly more than
The extended signal part (individual reference
(In terms of points) are added together to the unresponsive summing circuit,
These are the ones given to the radiators of sound. Change of position of movable sound source and change of performance area
Possible configuration changes can be made to normal movement or fade-in mechanisms.
This is implemented between the microphone and the delay element.
Is located here and its position is somewhat
Move to one or other sound source area by changing signal amplitude
Let it. Additional delay elements and spatially connected to them
Distributed acoustic radiators are provided to increase spread and clarity
In addition, these timing and amplitude losses are always major
It follows the signal of the acoustic radiator. A disadvantage of this system is that it degrades sound localization.
This results in the original sound source being usually relatively capable
Is small, for example, what is generally referred to as a solo sound source
When hands, singers or musical instruments perform alone or in groups
Is the result. Such a solo sound source
Occur relatively often, but these performances are usually important
It is. So in the case of such a solo sound source,
Can move, but the position is blurry,
It is not advisable to accompany or irregularly
No. [0009] The purpose of the present invention is described in the preceding section.
The above-mentioned drawbacks of the described system, at a considerable cost
Or reduce the benefits once obtained
Without reducing it. [0010] Analysis of technical causes and detection of system changes
After all, the disadvantages of the system described above preserve all the main features.
However, it was shown that it was not possible to remove only the defect while maintaining this. why
The system then has a separate, spatially limited sound source
The system is designed for
This is because the ability is not considered. [0011] The purpose of the present invention is therefore the overall overlap.
Designed for the acting area, even at least solo sounds
For the source, the lath in the spatially restricted sound source region
Respond to the sound capabilities of the sound source, avoiding the raster
And to achieve the required shift in propagation time here
Is to provide a regional acoustic emission system. According to the present invention, the sound radiator can be viewed and played.
Total and distribution of non-reactions
The equipment assigned to these radiators for control
Connected to a delay or amplification device that can
Also connected to the microphone assigned to the solo sound source
I have. Controllable delay or amplification device control
Rule input is the sound between the individual sound source position and the sound emitter position
A control that has a similar difference in the way
Connected to a regulating or control device for the
You. According to the present invention, a wide area sound is provided.
The main functions of the acoustic radiation system are the approximate timing and
Timing to expand beyond the performance area from the sound source if necessary
Simulation of sound field with source priority
Or, based on the support of the soundness of the soundness. That is, the sound radiator is
After the passage of the original sound source's wave or
Acoustic emission after the rate acoustic radiator and closer to the sound source
Only after the instrument and the time delay or amplification
Different according to ability and class. [0014] The comparison system is located by amplitude or phase.
In the source region raster with pure propagation time before
One step for positioning, but audience and room
The present invention depends on the propagation time
Inconsistency between positioning and amplitude positioning in transition area
In the comparison, usually the first in comparison
Audible sound radiator is positioned instead of original sound source
Related to the location of the sound source, the performance area and the sound emitter and
Reacts to the ability of the sound source. In this regard, the performance area and the viewing area
Preferably a solo sound source in addition to the fixed acoustic radiator
In the vicinity of a variable position acoustic radiator may also be used.
It is advantageous. Differentiated, non-reactive, connected in series
The inputs of the response sum and distribution devices include fixed and variable positions.
Controllable delays assigned to solo sound sources and
The output of the amplifier is connected and at least
This control input is a more variable position acoustic radiator
Triggering by adjusting the position change of
r). The control device is preferably a comparison and
Control device and this comparison and control device ratio
Microphone position or sound source connected to the
Input device for comparison and control of the comparison and control device.
Troll output is controlled by a delay or amplification device.
Connected to control input. Differentiated, unresponsive
Control output to the device for weighting and distribution of answers
More connections can be useful in various applications
It is. Higher position measurement sharpness of the system according to the present invention
Loudness is more important for solo sound sources than for comparable systems.
Is generally advantageous, but this is
To the impression of the closed sound of the body and to the spatial perception
Can be disadvantageous. If we develop the present invention more advantageously
When the two systems are connected, the non-response differentiated
Control of device inputs for weighting and distribution of
Connect to a well-tuned delay
And added before that and fixed to that input.
Differentiated, non-responsive assigned to sound source with
Devices for pre-weighting and distribution of answers can be inserted
Noh. This is the classification of the propagation time or level of the solo sound source.
Here the propagation time or the original sound level or originally
Level of the sound source instead of simulating the sound with
Weighted signal formed by a spatially extended sound source
Occurs between issues. Depending on the specific characteristics of the sound source,
Class occurs alternately or in combination with the transit time classification
Can be. The use of the present invention can be used between the performance area and the listening area.
Of particular importance for the transition area. Ie put in it
The radiator (speaker) and microphone
As well as the sound sources and
It is also important for the audience placed there. This condition
By increasing the depth spread of acting and audience areas
Is no longer important. For particularly economical implementations,
Controllable delay in addition to pre-weighting of distant sources
Or, mainly perform the adjustment or control device with the amplification device.
Sound radiator located in the transition area between the technique area and the listening area
It is advantageous to connect the microphone to
Sound radiators located far away in the listening area
Fixed or eclipsed against the corresponding device for answer weighting
Receive different levels or timing assignments. In such a remote listening area,
Sound emitters can already be compared to increase spaciousness and transparency
System, and here it is
To the main loudspeaker group signal
Additional delay required to establish a time and amplitude connection
Elements have been assigned to them. In order to integrate the reproduction of a solo sound source,
Audio of varying clarity, understanding or spatial impression
Must be fully simulated to get the occurrence
Playback of sound sources that can move within the desired area of
Sound emitter placed farther away to integrate
Is fixedly divided by the difference in sound radiator position.
Remains applied. When the present invention is further developed
However, it produces reverberation in addition to the sound source delay or amplification device
Device can also be controlled depending on the position of the sound source
And is connected to the control device. Acoustic area
Farther according to the chosen degree of simulation
The energy of the various signals supplied to the placed sound radiator
Part is the condition where the hall signal reaches the listening position last.
Clarity is C by emphasizing the matter ₈₀ ≧ 0db, rational
Resolution C ₅₀ ≧ 0db or spatial impression R ≧ 0db adjusted
Is controlled to be To further improve the localization, the solo sound source
Not only large sound sources must also be considered
Sometimes a transition area or performance area between the performance area and the listening area
Place the auxiliary sound radiator at approximately the same height as the sound source inside
Can be achieved primarily by
Equipment inserted in front of these for weight and distribution
Should be supplemented before additional equipment for non-reactive weights is inserted.
Including auxiliary sound attenuators or auxiliary delays for such inputs
No. In the way of a differentiated, approximate sound similar to the way of sound
Adjustment or control equipment for proportional control
Is the position of the microphone to set the delay or amplification
Simulated acting surface, including a driving place representative of
The simplest case is inside. If the present invention is further advanced,
For the solo sound source you get,
Control automatically activates the microphone in the direct acting area.
From the change of the position of the
Adjustments to the controls or controls
Sound source position measurement for microphone position in the technique area
Connected to a device, which is preferably electrically or optically
Between the acoustic measurement signal generator and the microphone
Propagation of the measurement signal supplied by the sound via the way of the sound
It would be more advantageous to include distance measurement by comparing time
You. An acoustic measurement signal generator or more advantageously a microphone
Here, it can be assigned to a sound source position. Simulated performance table of distance measuring device
Simulated between the surface and the adjustment or control device
The changing initial position of the
The parameters of the acoustic emission system
Control taking into account intermittent or system technical parameters.
Convert to rollable delay or amplifier control values
Is advantageously connected to the circuit.
You. Even simple proportional and delay changes as well as simultaneous
Or alternating amplitude variations are usually complex, while spatial
The simplest application for acoustic conditions on the other hand
Can not be done without this calculation unit except
Absent. Simultaneous level and time depending on sound radiator and sound source distance
Position measurement in the difference is particularly complicated function
Therefore, this is known but without typical design efforts
This cannot be realized by a similar circuit design. these
Compute unit provides the desired timing alignment
Solo sound at the sound emitter location
The signal part of the source is the original sound passing by and the large sound source body
Between the signal parts of the
The result of covering and measuring the position measurement of the seeding time
Level differences can be reduced. Wide-area sound emission with adjustment or control device
Launch system also better prevents sound playback feedback
To meet the requirements. Fake acoustic feedback
The danger is that under more complex conditions when further developing the invention
Can be reduced even in
And distribution of auxiliary acoustic radiators assigned to the area
Output line of delay device for gender weighting is controlled
Connected to a damping element that can
The test device is preferably connected to a computing unit.
If only knit or its components and microphone
Sound source position measuring device for a sound radiator with variable position
Is connected to a simulated performance surface and measures position
Matches are compared to stored values and evaluated against values
It is. A basic improvement or an improvement of the above acoustic radiation system
Is a qualitative and economic realization in addition to the potential for change
The main points of the present invention can be further improved.
Was. The qualitative and excellent quality of the acoustic radiation system
The above basic improvements or changes to
In addition to performance, the key points of the present invention need to be further improved.
And it became possible. Controllable for many channels
Particularly low cost of efficient late or widening device control
High quality configurations may require a movable solo sound source or
Input audio signal produced by a sound source instead of rate
Signal with at least two controllable amplifiers
In addition to force, this output is directly or controllable
Can be added to the input of the weighting device via the device for
And the sound source or microphone position of the control device
Operation module for adjusting the level in addition to the input configuration of
Controls are also provided, and both output controls
Control signal is connected via an increasing control circuit.
These are controllable amplifier control inputs.
Being applied to the force line. The input of the sound source position or the microphone position is performed.
Advantageously, the force configuration includes the configuration of the controls.
The main connection is added to the common potential
Each secondary connection leads to the input of an OR circuit, whose output is
Connected to the first input of the ND circuit and the second input
A dynamic frequency timing signal is applied. AND circuit
The output is connected to the timing input of the up / down counter,
Each of these F / R control inputs is a control 2
Connected to the next connection. The data output of the counter is my husband
Connected to the input of the assigned user, this output
Controllable delay or amplifier device control
Connected to the input or to the assignment device. For the electrical or optical and acoustic propagation times
Adjustment or coordination by measuring the distance in the comparison
Sound source localization for automatic control of control devices
An advantageous configuration of the scanning device is that the ultrasound signal to be scanned is
Signal generator to an ultrasonic radiator. Solo
Microphone provided in the performance area for the sound source is super
Frequency tied or recorded to the acoustic receiver
Increased in range. Electrical or optical transmission distance
At the end, a separating device, preferably a PLL
Filter and key signal and transmission for ultrasonic radiator
The recovered key pulse is applied to the time comparison circuit.
This gives a pulse with a connection time proportional to the duration of the sound.
The output is either directly via a time value converter or
Delay or increase that can be controlled via computer
Connected to the input of the width device. Regarding the cost for a small number of acoustic radiators
Means that the position of the sound emitter is the position of the sound measurement signal generator
In other words, the ultrasonic radiator is connected to the acoustic radiator.
The continuation is particularly advantageous. Time value converter
Includes an imaging pulse generator, which also
Linked to key pulse generation. Time value converter
Memory and comparison between the controller and the adjustment or control device
Advantageously, a device is provided. At this output
Each time, only the adjustment means and the adjustment direction of the change are added and
The corresponding means of the corresponding delay or amplification device is further adjusted
Can be advanced. At a plurality of acoustic radiator locations,
In a less compact loudspeaker configuration,
The preferred solution is to explicitly determine the coordinates of the performance area
Simply providing several acoustic measurement signal generators and time
Including connecting a value converter, in this case
Numerical calculation unit that converts coordinates via delay or increase
Connected to the control input of the width device. FIG. 1 shows the principle of the present invention and a wide range of sound.
Think theoretically for movable solo sources in radiation systems
FIG. 3 is a diagram having a microphone placed. The sound radiators 3a to 3n are connected to the performance area 1
Of the distributed acoustic radiators in the listening area 2
The position of the acoustic radiator 3n is representative of some of them (see FIG. 2).
It is considered variable. Sound radiators 3a, 3b ... 3
n, a non-reactive differentiated weighting and distribution device 4
, Which will be described later in a simplified form
Referred to as a radiator weighted distributor, indicated by blocks,
Additional inputs for additional sound source branches not illustrated
Has a connection. Microphone 6 and acoustic radiator weight
A controllable width increasing device 5 and a sound
Pre-weighted differentiated non-reactivity assigned to the source and
In the future, it will be referred to simply as a sound source weighted distributor in the distributor 10.
And a controllable delay device 9 are shown.
ing. Sound source weighted distributor 1 with suggested additional inputs
0 is an example for classification or evaluation according to the type of sound source
Useful again as a link to other sound source branches
This is described in more detail in FIG. Controllable amplifier 5 and control
The delay device 9 that can be controlled
Given a connected control input, this
Sound source or microphone, as suggested in the
Configuration 8a of the input position of the sound source, input configuration 8 of the position of the acoustic radiator
c and the comparison and control device 8b. Further
Connection of the control or control device 8 to the weight distributions 4 and 10
Is shown, which is described below. Input configuration 8a of microphone or sound source position
For example, simulation of a performance area or a distance measuring device
Can be understood by: Sound radiator position 8c
Fixed position relative to fixed position in the input configuration of
Is stored. For acoustic radiators that change position
The changing value for moving solo microphones
It is stored in the same way as the one. Comparison and control
The device 8b compares the positions and, as a result,
Deriving the position value for the resulting sound propagation time and level value
Delay and amplification devices 9 and 5 that can control this
Apply to The comparison and control device 8 controls the sound emission
Output of the delay device 9 which can be remotely controlled according to the number n of the devices
And the propagation time and the delay time corresponding to the approximate value, respectively.
The correct and controllable width adjustment device 5
Alternate amplification or attenuation for level classification. FIG. 2 is a block diagram showing the acoustic emission.
Characteristics of the present invention with respect to the configuration of the sound generator and the application of the sound source.
With some changes included and further developed points
Shows the performance area 1 that has been selected for creativity. Microphone 6a and
Two solo sound sources with a 6 and 6b are arbitrary above the performance area
Can be moved in the form of Reduced space expansion
The low-capacity sound source is a microphone 6c, a sound radiator 3n.
And with the accompanying sound radiator 3i in various positions
Can be communicated to the platform. High sound
Several microphones are used for the spatially expanded sound source.
6d to 6m are provided. About sound radiators
Is the lane in the boundary area between the performance area 1 and the listening area 2.
Three main groups of loudspeakers 3a, 3b, 3c
Is represented by At the side and the rear of the performance area 1, the sound
Sound radiators 3d to 3g are placed, and these are low volume sound.
Provided for the source support and supply to the performance area 1
I have. The acoustic radiator 3h is a spatially extended sound with a large acoustic capacity
Supply source. FIG. 3 corresponds to the block diagram of FIG.
Shows the circuit diagram of the block.
The corresponding microphone and acoustic radiator are shown. Fixed
The sound radiators 3a to 3c set up are fixed and set.
The delay device 9d and the sound source weighted distributors 10b and 10d
Acoustic radiator 3 which is connected while being variably configured
d to 3n are controllable delay devices 9a, 9b,
9c and sound source weighted distributors 10a and 10c,
For the microphone to be obtained, a fixed acoustic
The projectile delay can also be variably controlled
You. Microphones 6d to 6n are usually wide band
5d to 5m, and this output is connected to the sound source weighting device 1
0b is weighted via the sound source distributor 10d. this
The output of the sound source weighting device 10b is based on the principle of a known comparison system.
Is connected to the delay device. Different and slow
The output of the delayed delay device 9d is connected to the distributor 4a and the non-reactive weight.
Connected to the acoustic radiator weighted distributor 4 including the device 4b
I have. The microphone 6c is also connected to the amplifier 5c
This output is passed through the sound source distributor 10c to the sound source weighting device.
Via devices 10a and 10b and delay devices 9c and 9d
It is connected to an acoustic radiator weighted distributor 4 which is
Not only from the acoustic radiators 3a to 3g, but also acoustic radiation
Directly connected to the acoustic radiator 3n via the distributor 4a
You. The output of the amplifier 5d to 5m is output from the sound source distributor 20d.
And connected to the input of delay device 9c via weighting device 10a
Sound radiators 3d to 3g
To the output of the delay device 9c via the acoustic radiator weight distribution device 4.
Connected. This distribution system has a fixed volume of low sound volume.
It is advantageous for individual and / or groups of signal sources.
Position of not only microphone 6c but also acoustic radiator 3n
Is changed, the microphone 6c becomes the sound source distributor 1
0c and the weighting device 10a, and the delay devices 9b and 9c
Is connected to the acoustic radiator weight distribution device 4 via the
The heavy distributor is connected to the acoustic radiators 3a to 3h, where
The acoustic radiator 3n is directly connected to the distributor 10c. The microphone 6b is connected to several input sides.
Includes controllable amplifier with parallel switches
It is connected to the distributor 10c via the amplifier 5b.
The required amplification channel is minimized and this output is
a and 10b, and delay devices 9b, 9
c connected to the distributor 4a and the weighting device 4b
From the sound radiators 3a to 3c as well as from 3d
3n is also non-reactive and in a distinct manner
Connected to the output. The microphone 6a is distributed with the amplifier 5a.
Delay that can be controlled via the device 10c
The output of this delay device, connected to the input of
The weighted distributor is applied to the input of the radiator weighted distributor 4 and
4 is the sum of all assigned input lines
These are given to the projectiles 3a to 3n. Amplifier 5b, distribution
10c, delays 9a and 9b and in this case 9c and
Control of the controllable device for the heavy distributor 4
The rule input 7 corresponds to the adjustment and control device 8
Connected to output. Control for acoustic radiator weighted distributor 4
The tool input is the differential amplification of the acoustic radiators 3a to 3n and
The variable distribution of the input signal of the distributor 4a is controlled.
You. The so-called playback method which is often used
In case of partial or complete sound emission due to
The sound source may be partially or completely shuffled by sound recording.
But the corresponding microphone is a sound note.
Is replaced by the output of the
One or several major acoustic radiators in the technical area
Originally supplemented by acoustic radiators 3d, 3e
It is advantageous to supplement the sound, this acoustic radiator has a corresponding
It is located near the sound source position. A similar procedure is used to increase the original sound source with low capacity.
Also applies to width. FIG. 2 shows such an acoustic radiator 3n.
Here are some examples, which support the original sound and its input signal
The signal is removed without delay by the output of the amplifier 5c
Can be To avoid feedback, use appropriate fingers
Proper microphone and acoustic radiator with
Have been. After the amplification device 5, for example for an actor
Due to the auxiliary sound emitters 3h, 3e used,
An additional distributor 4a to which these acoustic radiators are connected and additional
The heavy device 4b is inserted. The controllable widening device of FIGS. 1 and 3
5 for adjusting the level and direction of the movable solo sound source
Of the sound source or microphone of the adjustment or control device 8
An advantageous embodiment of the configuration of these inputs at position 8a is shown in FIG.
It is shown. Microphone assigned to movable solo sound source
Lophone 6 or an alternative sound signal source (eg, playback
Simulate this sound source with a magnetic recording device)
At least two controllable amplifiers 5
a, 5b, 5c, these amplifiers are for example
Form voltage as a controlled amplifier (VCA)
Can be done. Of the controllable amplifier 5
The output is connected to the input of the source weighted distributor 10 and this weighted
The output signal of the distributor is, for example, the delay shown in FIGS.
Connected to device 9. Driving mode for level modulation 16
Jules has multipliers 17a, 17b, 17c
All existing controllable amplifiers via
a, 5b, 5c are connected to the control inputs. Input configuration of sound source or microphone position 8b
Output or another of the comparison and control device 8b
In the configuration, the adjustment or control device 8 (FIGS. 2 and
3), but these are also
17a, 17b, 17c connected to corresponding inputs.
ing. Activate the operation module for level modulation 16
All existing controls
The width devices 5, 5a, 5b, 5c are therefore
Changed in the same direction, here the sound source or microphone
By activating the input configuration at position 8a, the same increase is made.
Different widths of the width devices 5, 5a, 5b, 5c
Is adjusted to prevent directivity effects between the output signals of the amplification configuration.
The required level difference is set. Input and operation module
The control signals for both 8a and 16
Zigital format as well as DC signal format for control
Can also be obtained in
To each of the multipliers 17a, 17b, 17c
Control input of the width-enhancing device 5a, 5b, 5c
Which results in a control signal being applied to Thus
In each channel, the level of the sound source signal or
Not only do you need to change the required amplification to affect the modulation.
And the same width control device 5a, 5b, 5c
Changes in the required amplification that affect the modulation of the direction due to
Can be realized. This allows each sound to be
Reduce costs for channels and improve communication quality
It becomes possible. This kind of control
Width circuit is 2 channel stereo sound effect or 4 channel method
Audio mixing of multi-channel recording technology
It is also advantageous in a mixing console. The input arrangements 8a and 8c are adjusted and controlled.
Can be realized in various ways in the roll device 8
You. One possible configuration is, for example, a keyboard switch,
Switch glue in the form of a sensor or other contact element
These are composed, for example, in the form of a matrix.
This matrix is used to perform audience seating
Simulates the shape ratio of the area, and has an acting area
The partial area of the species is one indicator element (for example a lamp or
LEDs) are individually assigned to switches
You. Another configuration of driving and indicating elements is, for example,
The perimeter of the area is marked by a switch, thus
A movable sound source inside the simulated performance area
Appropriate indicator elements to indicate the individual (imagined) location of the
It is possible because of that. Further, the operating field that has been changed is that
Can be moved freely in the direction and for example a counter
Its position coordinates in the form of pulses, codewords or DC signals
Including a coordinate oscillator that emits Graphic display example
For example, a video monitor is also possible, for example a light pen
Or by a manual tracking element such as another optoelectronic sensor
Perform this function. For the first mentioned configuration,
The circuit configuration of the input configuration 8a of the adjustment or control device 8 is
Appropriate, this part of the row or column is shown in FIG.
You. Primary connection of switches 20a, 20b, 20c
Connections are represented as manual keyboard switches and are
And the secondary connections are connected to the logic OR circuit 21 respectively.
Connected to the input, so the output
Operate any of them to use as a gate circuit
Assigned to each switch via the AND element 22
Of applied upper / lower counters 24a, 24b, 24c
Clock oscillator 23 whose frequency changes to each timing input
L signal to start timing signal generated by
As a result. Luck before and after these counters
Control input of the switch 20a, 20b, 20
Since each is individually connected to one of the secondary connections of c,
F / assigned to each of the operated switches 20b.
The R counter 24b counts forward and counts the remaining counts.
All count in the opposite direction. For example, in binary
Counter 2 that emits the counter position in a loaded form
4 are output from the coders 25a, 25b, 25, respectively.
Connected to the input to c and passed through the power-counting stage
Input data words created by
And translate this into the correspondingly formed output data word.
Form. The output data words of these coder 25 are
A delay device 9, a widening device 5 or
Controls parameters of weighted distributors 4 and 10
However, they are connected to the first output of the coder. An example
For example, in operation areas such as lamps, LEDs or LCD displays
Suitable indicating elements 27a, 27b, 27c in the second
Can be connected to output. Control with DC voltage
By using the amplifier 5 (so-called VCA)
Tal-analog converters 26a, 26b, 26c
Can be switched on for the target. Coder 25 and digital-analog conversion
The device 26 controls the delay, amplification and distribution to be controlled.
Output of control values to the device and counter output
Force monitoring, timing multiplex not shown
When implemented by a channel system,
Can be reduced to individual functional blocks of different types
You. The function of the above circuit is also
Even with highly integrated components such as processors
It can be advantageously realized. The structure shown in FIG. 6 is approximately proportional to the way of sound.
Easy control of automatic sound source localization for control
Here is an example that can be solved.
Comparison to the direct distance measuring device without further auxiliary equipment
Has already been done. In the same position with the acoustic radiators 3a and 3b
The ultrasonic radiator is an acoustic measurement signal generator 30a and 30b
, Each being scanned by an ultrasonic generator 31a
And 31b. Microphone 6 is acting area
Various distances from two acoustic radiators 3a and 3b in zone 1
To record the ultrasonic frequencies used and placed separately
It is provided for. This can also be a wireless stay
Can be configured as a microphone
The scanned ultrasound signal to another frequency range
You can also. However, in FIG.
The case of a three-layer connection is shown.
2, 33a and 33b.
ing. The first filter is a low-pass filter
Thus, the sound signal of the sound source is added to its output. other
The two filters 33a and 33b are, for example, PLL filters.
A selective filter with a frequency like Luther,
Two ultrasonic frequencies f ₁ , F ₂ Has been adjusted. Scanning pulses—for example, amplifiers, rectifiers and limiters
Reproduction circuits 34a and 34b including threshold control
Scan signals that have the same duration but are originally
For the subsequent scan signal,
The original scan signal is modulated by the ultrasonic generator 31
a and 31b, and the time comparison circuits 35a and 35b.
b to the other input, for example RS
A rigger can be used, again the original scan
The signal is applied to the setting input and the reproduced delayed scan
A signal is applied to the reset input. Simply reset pulse
That only the first front side of the car controls
Additional reflected ultrasound pulses that may occur are invalid
Remains. A pulse with a duration proportional to the propagation time is added.
The obtained outputs of the time comparison circuits 35a and 35b are
In simple cases, these pulses can be controlled late.
Of appropriate adjustments or controls for the spreading or widening device
Time value converter 36 which is an integrated element to change to size
a, 36b. Adapted to the specific conditions of the invention
One possible embodiment of a timed value converter is shown in FIG.
The time value converter 36b is shown in FIG. Individual fired
Scan pulse is lost, for example, temporarily darkens
Consideration of interference of scanning pulse transmission due to strong ultrasonic elongation
It is necessary to control this,
And can be most easily realized by the counter
It is recommended that a logic comparison circuit be inserted. Thus, the generation of the scanning pulse is performed at the timing
The divider inserted after the pulse generator 38
Der) 37. Timing pulse
In addition to the input of the AND gate 39 in the time value converter 36b,
Continuation that is proportional to the propagation time
A pulse of time is applied. Accordingly, the output of the AND gate 39 is transmitted every time.
There are several timing pulses that are proportional to the sowing time,
This pulse is triggered, for example, by the side before the scan pulse.
And compared to several previous scan pulses
Can be analyzed at the counter, where the transmission is first
Occurs on the side after the transmitted scan pulse, and
To the control input of a delay or amplification device that can be trolled
Counter reading, adjustment magnitude, and adjustment direction
Communicate any limited differences. The lost scan pulse leads to transmission and adjustment.
There is nothing but guides you to recovered counting. this thing
Can also be deflected instead of, for example, the shadowed direct scan pulse.
Has been fired and the adjustable limit has been exceeded
Sometimes applied. This is simply a matter of a few timing pulses.
Of many possible self-controls in the size of the adjustment
Conversion circuit 40, and is therefore
did. With no further need for drawings,
In 6, a number of acoustic radiator positions and microphones
Possible enlargements to be made can also be recognized. Limit of the acting area
Two or three stray ultrasonic waves in the field
Projector determines coordinates for any number of sound source locations
Is stored by increasing the circuit portions 33 to 36
You. These coordinates are input of the position of the sound source or microphone
The configuration 8a can be used in parallel or in series. Note as well
Lee represents the input configuration of the acoustic radiator position 8c. Follow
The comparison and control device 8b includes a computer.
This computer is
Calculate relationships and compare actual values with values from previous cycles
Adjustment, if necessary, after further calculation of the comparison control.
Size and various controllable delays or gains
And instructions as commands directed to the device. Automatic input is also advantageously combined with manual input.
Can be assigned to a fixed sound source by this manual input.
Reduced technical requirements for microphones
There are also performance requirements for solos with many position changes.
It is a reduction.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit diagram of a basic block. FIG. 2 shows a spatial configuration of a microphone and an acoustic radiator. FIG. 3 is a circuit diagram of blocks of the possible configuration of FIG. 2; FIG. 4 shows a preferred controllable amplification device. FIG. 5 shows a manual input configuration. FIG. 6 shows an automatic input configuration. [Description of Signs] 1 Performance area 2 Listening area 3 Acoustic radiator 4 Acoustic radiator weighted distributor 5 Controllable amplifier 6 Microphone 7 Control input terminal 8 Adjustment or control device 8a Input configuration (microphone or sound source position) 8b Comparison or control device 8c Input configuration (acoustic radiator position) 9 Controllable delay device 10 Sound source weight distributor 16 Level modulator 17 Multiplier 20 Switch 21 OR circuit 22 AND circuit 23 Clock oscillator 24 Upper / lower counter 25 Uder 26 Digital / Analog converter 27 Pointing element 30 Acoustic measurement signal generator 31 Ultrasonic oscillator 32 Low pass filter 33a Frequency selection filter 33b Frequency selection filter 34 Scan pulse reproduction circuit 35 Time comparison circuit 36 Time value converter 37 Divider 38 Timing Scan oscillator 39 AND gate 40 self-control conversion circuit

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Wolfgangk Hake Germany 1199 Berlin Ne Luteciutlase 43 (72) Inventor Werner Lorenz Germany 1195 Berlin Ke Peniskel Llandshuitlase 156 (72) Inventor Wolfgunk Arnert Germany Republic 1116 Berlin Teichauer Schütlase 46 (72) Inventor Frank Schüitezfuen Germany 1636 Brakenfe Rude Goethe Schütlerse 26 (72) Inventor Walter Reichart Germany 8020 Dresden Dondorf Schütlerase 39 (56) References JP JP-A-54-85701 (JP, A) JP-A-55-39481 (JP, A) JP-A-57-68991 (JP, A) 35558 (JP, U) JitsuHiraku Akira 58-178726 (JP, U) JitsuHiraku Akira 50-73401 (JP, U) (58 ) investigated the field (Int.Cl. ^6, DB name) H04R 3/00 320 H04R 3/00 310 H04R 3/12

Claims (1)

(57) [Rules for requesting registration of utility model] A wide-area acoustic amplification device for a playing area and a listening area extending in a multi-dimensional manner, comprising a plurality of distributed acoustic radiators, microphones, and a connection between the acoustic radiators and the microphones. Having at least one microphone connected to a soloing device having a delay device, an amplifying device, and a weighted distribution device for enabling a reactorless connection to prevent a signal from flowing back to the wrong channel. A wide-area sound amplifying device assigned to a sound source, comprising: a microphone (6, 6a, 6) assigned to a solo sound source.
b, 6c) have at least one connection
One delay device (9, 9a, 9b, 9c), at least one amplifying device (5, 4b), and a control device (8) for controlling the delay time of the delay device, the amplitude of the amplifying device, and the like. In addition to the acoustic radiators (3a, 3b, 3c) arranged in the transition area between the performance area (1) and the listening area (2), the acoustic radiators are distributed and arranged in the performance area (1). Additional acoustic radiators (3d, 3e, 3f, 3g, 3n) are connected to the outputs of the weight distribution devices (4, 4a, 4b), and the control device (8) is for microphone position data, sound source power The input means for measuring, adjusting, and recording the data (8a), the acoustic radiator position data, and the acoustic radiator power data, and comparing the microphone position data with the acoustic radiator power data to determine the delay. Time A wide-area acoustic amplification device, characterized by including a comparison device (8b) for deriving a signal of an interval and an amplitude. 2. 2. The wide-area sound amplifier according to claim 1, wherein said input means includes a fixed storage device, and said input means includes a microphone assigned to a solo sound source having a variable position and a sound radiator having a variable position. A wide-area sound amplifying device, wherein an input panel is used to adjust position data of the sound. 3. 2. The wide-area sound amplifier according to claim 1, wherein said input means includes a fixed storage device, and said adjustable position and location device includes a microphone assigned to a variable-position solo sound source and a variable-position sound. A wide-area acoustic amplification device used for radiator position data. 4. 2. A wide-range acoustic amplification device according to claim 1, wherein said input means has power data (8a) of a sound source and power data (8c) of a sound radiator or a numerical or digital output value of coordinates, and a comparison device. And a control device including a computer for providing control values for controlling the delay device and the amplification device. 5. 2. A wide-range acoustic amplification device according to claim 1, wherein said weight distribution device (4, 4a, 4b) is a delay device (9d).
And the sound source weight distribution devices (10b, 10d)
A wide-area sound amplifying device coupled to a plurality of microphones assigned to a performance area, wherein a signal portion of the microphone is included in comparison data of a power of a sound source and a sound radiator. 6. 2. A wide-range acoustic amplification device according to claim 1, wherein said amplification device is related to the amplitude of a microphone signal.
Alternatively, the control of one or more of the weight distribution devices (4, 4a, 4b) includes a control circuit (17a, 17b, 17c) for multiplication, the inputs of which are the control device (8) and the adjustment unit. The output of (16) is connected to the control input of at least two controllable amplifiers (5a, 5b, 5c) having a signal input connected to the microphone (6). A wide-range acoustic amplification device. 7. 2. A wide-range sound amplifying device according to claim 1, wherein said controllable attenuating device comprises said weight distribution device (4, 4a, 4b) and an additional sound radiator (3d, 3e) in the playing area (1). , 3f, 3g, 3n), and the control input of the attenuation device is connected to the comparison device (8
b) A wide-range acoustic amplification device connected to b). 8. 2. A wide-area sound amplifying device according to claim 1, wherein the input means and the comparison device (8) have an additional connection to a unit for generating reverberation. 9. 3. The wide-area acoustic amplification device according to claim 2, wherein the adjustable input panel is a panel for simulating a playing area having an operating field, in which the positions of the sound source and the acoustic radiator are indicated and associated. A wide area sound amplifier, wherein the comparing device is a combination of these input panels for simultaneous, proportional movement of the delay time and amplitude steps. 10. 3. The wide-area acoustic amplification device according to claim 2, wherein said adjustable input panel is connected on the one hand to a common voltage and on the other hand to the input of an OR circuit and the up / down control input of an up / down counter. , The time input of the counter is connected to the input of the AND circuit, the input of the AND circuit is connected to the output of the OR circuit and the variable frequency key signal, and the data of the upper and lower counters The output is a coder (25
a, 25b, 25c) connected to a comparison device (8b) via a route. 11. 4. A wide-range acoustic amplification device according to claim 3, wherein a measurement signal generator (30a, 30b) or a microphone or other measuring device is provided in said position determination device, and said microphone is assigned to a solo sound source whose position is variable. (6, 6a, 6b, 6c) and at least two positions (3a, 3b) at the edge of the playing area, which are connected to each other and coded (36a, 39, 4).
A wide-range acoustic amplification device, characterized in that it is connected to the comparison device (8b) by 0). 12. The wide-area acoustic amplification device according to claim 11,
The measurement signal generators (30a, 30b) are connected to ultrasonic signal generators (31a, 31b), the microphone (6) is connected to an ultrasonic receiver, and a separation device (33a, 33b) is provided at the terminal of the microphone output. ), And a clock signal (37) for the ultrasonic signal generators (31a, 31b) and a transmitted and collected pulse (34).
a, 34b) are applied to a time comparison circuit (35a, 35b), which emits a pulse substantially proportional to the duration of the propagation path, and the measurement signal generator and the ultrasonic wave When the signal generator is co-located, the time comparison circuit (35a, 35b) is coupled to the control input of the delay or amplification device via the time value converter (36a, 39, 40). A wide-range sound amplification device characterized by being performed.