JPH10208886A - Illumination control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an illumination control device which can effectively present an atmosphere when using a music system and can automatically change a lighting condition of illumination and can inexpensively perform an effective presentation effect by detecting a sound volume level of a music device, and changing a lighting condition of the illumination according to a detecting sound volume level. SOLUTION: An illumination control device 1 has a CPU 11 to control the whole, a communication control part 13 to perform communication, a memory 14 to store a sound volume detecting value or the like, a sound volume sensor 15 to take in a sound volume level, an A/D converter 16 to output it to the CPU 11 by converting an analog output value of the sound volume sensor 15 into a digital output value and a lighting system driving circuit part 17 to drive lighting systems 4A, 4B are 4C, and a control program 12 is stored in the CPU 11. The communication control part 13 is connected to a music device 2 through a telecommunication line 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting control device for a lighting device for effectively producing an atmosphere during a karaoke performance in a karaoke box or the like, and more particularly to a sound volume detection from a volume sensor for detecting a sound volume from the karaoke device. The present invention relates to a lighting control device that drives and controls a lighting device based on a value.

[0002]

2. Description of the Related Art Conventionally, in a karaoke box or the like,
Lighting devices are installed to effectively create the atmosphere of a karaoke performance. This lighting device is turned on regardless of music information, blinks or changes brightness according to a predetermined rhythm, or a lighting blink pattern or brightness change pattern is registered in advance for each song. The lighting is changed according to the pattern.

[0003]

However, it is difficult to effectively produce the atmosphere during karaoke performance only by turning on the lighting regardless of the music information or by simply blinking the lighting at a constant rhythm. Further, in order to change the illumination pattern for each song, it is necessary to register the illumination pattern for all songs, which requires a great deal of labor and cost. Further, when the lighting is changed according to a predetermined rhythm, it is not possible to effectively express changes in the emotions of the singing person. Furthermore, with constant lighting, there was no change in atmosphere, and it was not possible to express subtle emotions of the singing person.

In view of the above, the present invention has been made to solve the above-described problems. A volume sensor for detecting a volume level of a karaoke apparatus is provided, and lighting is performed in accordance with the volume level detected by the volume sensor. By changing the state, the atmosphere at the time of karaoke performance is effectively produced,
It is another object of the present invention to provide a lighting control device capable of automatically changing the lighting state of the lighting and capable of performing an effective effect at low cost.

[0005]

To achieve the above object, a lighting control device according to a first aspect of the present invention comprises a driving unit for driving a plurality of lighting devices for irradiating a place where a karaoke device is installed, and a sound volume in the karaoke device. Detecting means for detecting
Control means for changing a driving state of the lighting device based on a sound volume detection value detected by the detection means. In a lighting control device having such a configuration, a sound volume level during a karaoke performance is detected by a sound volume sensor, and driving control of the lighting devices is performed so that the lighting states of the plurality of lighting devices change in accordance with the detected sound volumes. This allows
The lighting condition can be changed in accordance with the volume level at the time of the karaoke performance, and there is no need to register a lighting pattern corresponding to the music in advance, and an effective effect can be performed at low cost. In addition, by changing the lighting state of the lighting in accordance with the volume level, it is possible to effectively produce an atmosphere during a karaoke performance.

According to a second aspect of the present invention, in the illumination control device according to the first aspect, at least three of the illumination devices are provided, and a first reference value and a second reference value which are compared with the volume detection value. Storage means for storing a second reference value having a reference value larger than one reference value, wherein the control means includes a first sound volume level at which a sound volume detection value detected via the detection means is equal to or less than the first reference value. In the case of, the first lighting device is driven, and when the volume detection value is a second volume level that is higher than the first reference value and equal to or less than the second reference value, the second illumination device is driven, and the volume detection value is When the third volume level is higher than the second reference value, the third lighting device is driven. In the lighting control device having such a configuration, the sound volume detection value is compared with the first reference value and the second reference value, and the sound volume level is detected based on the magnitude relation.
In addition, it is possible to automatically drive and stop the third lighting device. This makes it possible to change the lighting in accordance with the volume level at the time of the karaoke performance, so that it is possible to effectively produce a change in the emotions of the singing person, a reception state of the audience, and the like.

Further, the lighting control device according to claim 3 is
3. The lighting control device according to claim 2, wherein the first reference measurement time and a second reference measurement time longer than the first reference measurement time are stored, and the volume detection means detects the first reference measurement time for each first reference measurement time. Means for storing the first to third volume levels of the detected volume value, wherein when the detected volume value is the first volume level during a second reference measurement time, one third of the first reference value is provided. Is set as a new first reference value, and twice the new first reference value is set as a new second reference value. If the detected volume value is the second volume level during a second reference measurement time, the second reference value is used. A value obtained by adding one-third of the difference between the second reference value and the first reference value to a first reference value is set as a new first reference value, and a value obtained by adding two-thirds of the difference to the first reference value is used as a new first reference value. When the detected sound volume is at the third sound level during the second reference measurement time, the sound is detected during the second reference measurement time. A value obtained by adding one third of the difference between the maximum value of the amount detection value and the second reference value to the second reference value is set as a new first reference value, and two thirds of the difference is used as a second reference value. The added value is set as a new second reference value. In the lighting control device having such a configuration, when the detected sound volume level is the first sound volume level for a certain period of time or more, the first reference value and the second reference value are reset to be smaller than the first reference value. When the volume level is the second volume level for a certain period of time or more, the first reference value and the second reference value are reset between the first reference value and the second reference value, and the detected volume level is set for a certain period of time. As described above, in the case of the third volume level, it is possible to reset the first reference value and the second reference value to be larger than the second reference value. This makes it possible for the change in illumination to follow a subtle change in the detected sound volume level, thereby effectively producing a subtle change in the emotion of the singing person.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a lighting control device according to the present invention will be described with reference to the drawings based on an embodiment embodying the present invention. FIG. 1 is a block diagram showing a configuration of an embodiment of a lighting control device according to the present invention. The illumination control device 1 according to the present embodiment includes a CPU 11 for controlling the whole, a communication control unit 13 for performing communication, a memory 14 for storing a volume detection value and the like, and a volume sensor 1 for capturing a volume level.
5. an A / D converter 16 which converts an analog output value of the volume sensor 15 into a digital output value and outputs the digital output value to the CPU 11;
And a lighting device driving circuit 17 for driving the lighting devices 4A, 4B, 4C, and a control program 12 is stored in the CPU 11. Further, in the present embodiment, the volume reference levels are level 1, level 2 and level 3.
The control program 12 stores initial values of a first reference value and a second reference value for determining a volume reference level. Further, a first cycle time in which the reading of the volume sensor output value is repeated and a second cycle time in which the measurement of the volume sensor output value change is repeated are stored. In this embodiment, the first cycle time is 500 milliseconds, and the second cycle time is 3 seconds.

The communication control unit 13 is connected to the karaoke apparatus 2 via a communication line 3 such as RS-232C. The communication control unit 13 converts serial data of a command sent from the karaoke apparatus 2 into parallel data and converts the serial data into parallel data. And converts the parallel data of the command sent from the CPU 11 into serial data,
Output to Here, an operation start command, an operation end command, and the like of the lighting control device 1 are predetermined. Therefore, when the commands are sent from the karaoke apparatus 2 to the lighting control apparatus 1, the CPU 11 performs control corresponding to each command based on the control program 12. Furthermore, the lighting devices 4A, 4B, and 4C are connected to the lighting device driving circuit unit 17, respectively, and perform driving control of the lighting devices 4A, 4B, and 4C in response to control commands from the CPU 11. In the present embodiment, the illumination device 4A performs red illumination, the illumination device 4B performs blue illumination, and the illumination device 4C performs yellow illumination.

Next, the lighting device drive control of the other lighting control device 1 of this embodiment will be described in detail with reference to the flowcharts of FIGS. FIG. 2 is a drive control flowchart of the lighting device at the start of the present embodiment. Also,
FIG. 3 is a drive control flowchart of the lighting apparatus when the lighting state is changed according to the present embodiment. First, the lighting control device 1 is connected to the karaoke device 2 and the lighting devices 4A, 4B, 4C,
When the power is turned on, the CPU 11
, The volume reference level value and the first and second period times are read out and stored in the memory 14. And CP
U11 outputs a turn-off command for each of the lighting devices 4A, 4B, and 4C connected to the lighting device drive circuit unit 17. Then, a status flag (not shown) indicating the status of the CPU 11 is set to 0, indicating that the CPU 11 is in an initial state of waiting for a start command from the karaoke apparatus 2 (S1).

Next, the CPU 11 reads the status flag. If the status flag is 0, that is, if the start command is waiting (S2: YES), the CPU 11 waits for a start command. If the start command is not input (S3: NO), the CPU 11 reads the status flag again. The process returns to the state of waiting for a start command (S2). Next, when a start command is input from the karaoke device 2 to the lighting control device 1 (S3: YES), the CPU 11 takes in the output of the volume sensor 15 (S4). Here, the output signal of the volume sensor 15 attached to the main body of the lighting control device 1 is A / D
Output to the converter 16, the A / D converter 16 converts the input analog signal of the volume sensor 15 into a digital signal and outputs it to the CPU 11. Next, when the digital signal is input, the CPU 11 digitally encodes the digital signal and recognizes it as an output value of the volume sensor 15. Then, the first reference value of the volume level is stored in the memory 1
4 and the output value of the volume sensor 15 is compared with the first reference value (S5). If the output value of the volume sensor 15 is equal to or less than the first reference value (S5: YES), the volume level 1 is stored in the memory 14 (S6). Next, CPU
11 to the lighting device drive circuit section 17 and the red lighting device 4A
And the blue lighting device 4B is turned off, and the drive control command is output so as to turn on the yellow lighting device 4C (S
7). Then, when the drive control command is input, the lighting device drive circuit unit 17 turns off the lighting devices 4A and 4B and turns on the lighting device 4C.

Next, when the output value of the volume sensor 15 is larger than the first reference value (S5: NO), the CPU 11 reads out the second reference value of the volume reference level from the memory 14, and outputs the output value of the volume sensor 15. And the second reference value (S8). If the output value of the volume sensor 15 is equal to or smaller than the second reference value (S8: YES), the volume level 2 is stored in the memory 14 (S9). Next, a drive control command is output from the CPU 11 to the lighting device drive circuit 17 so that the red lighting device 4A and the yellow lighting device 4C are turned off and the blue lighting device 4B is turned on (S10). And
When the driving control command is input, the lighting device drive circuit unit 17 turns off the lighting devices 4A and 4C, and
B is turned on. If the output value of the volume sensor 15 is larger than the second reference value (S8: NO), the volume level 3 is stored in the memory 14 (S11). Next, a drive control command is output from the CPU 11 to the lighting device drive circuit 17 so that the blue lighting device 4B and the yellow lighting device 4C are turned off and the red lighting device 4A is turned on (S12). Then, when the driving control command is input, the lighting device drive circuit 17 turns off the lighting devices 4B and 4C and turns on the lighting device 4A.

Next, the CPU 11 starts a timer (not shown) built in the CPU 11,
The measurement of the second cycle time in which the measurement of the change in the volume sensor output value is repeated is started. Further, the timer time, that is, 0 is written in the memory 14 (S13). Next, the CPU 11 sets a state flag indicating the state of the CPU 11 to 1, and
It is stored that it is in a state of waiting for an end signal from the karaoke apparatus 2 (S14).

Next, the CPU 11 reads the status flag again, and when the status flag is 1, that is, when waiting for an end command (S2: NO), checks the output of the communication control unit 3 to determine whether the end command has been input. Yes (S1
5). When the end command has not been input (S15:
NO), the first cycle time (500 milliseconds in the present embodiment) is read from the memory 14 and the first cycle time, that is, the timer time written in the memory 14 from the previous time after the previous volume sensor output value is fetched. It is checked whether or not the time difference indicated by has elapsed 500 milliseconds (S16). If 500 milliseconds have not elapsed (S16: NO), the second cycle time (3 seconds in this embodiment) for repeating the measurement of the change in the volume sensor output value is read from the memory 14, and the timer time is set to the second time. Cycle time (3
Second) or more (S17).

Next, if the time of the timer is smaller than 3 seconds (S17: NO), the CPU 11 checks again the output of the communication control unit 3 to determine whether an end command has been input (S15). When the end command has not been input (S15: NO), the first cycle time (500 milliseconds in the present embodiment) is read from the memory 14 and the first cycle time after the previous volume sensor output value is fetched, that is, It is checked whether or not the difference between the timer time written in the memory 14 and the time indicated by the current timer has elapsed by 500 milliseconds (S16). If 500 milliseconds have elapsed (S16: YES), the timer time in the memory 14 is rewritten to the time of the timer at this time.

Next, the CPU 11 takes in the output value of the volume sensor 15 (S18). Next, the CPU 11 reads the first reference value of the volume level from the memory 14 and compares the output value of the volume sensor 15 with the first reference value (S1).
9). If the output value of the volume sensor 15 is equal to or less than the first reference value (S19: YES), the volume level 1 is stored in the memory 14 (S20). If the output value of the volume sensor 15 is larger than the first reference value (S19: NO),
The CPU 11 reads out the second reference value of the volume reference level from the memory 14, and compares the output value of the volume sensor 15 with the second reference value (S21). When the output value of the volume sensor 15 is equal to or less than the second reference value (S21: YES),
The volume level 2 is stored in the memory 14 (S22). If the output value of the volume sensor 15 is larger than the second reference value (S21: NO), the volume level 3 is stored in the memory 14 (S23).

Next, the CPU 11 reads the volume level of the previous volume detection value from the memory 14, compares the volume level of this volume detection value with the volume level of the previous volume detection value (S24), and compares this volume level with the current volume level. If the previous volume level is the same (S24: NO), the output of the communication control unit 3 is checked to see if an end command has been input (S15). If the current volume level and the previous volume level have changed (S24: YES), the timer is stopped (S25).

Next, when the detected volume value is the volume level 1 (S26: YES), the CPU 11 supplies the illumination device driving circuit 17 with the red illumination device 4A and the blue illumination device 4B.
Turns off and outputs a drive control command to turn on the yellow illumination device 4C (S27). Then, when the drive control command is input, the lighting device drive circuit unit 17 turns off the lighting devices 4A and 4B and turns on the lighting device 4C. When the current detected sound volume value is the sound volume level 2 (S26: NO, S28: YES), the lighting device driving circuit 17 turns off the red lighting device 4A and the yellow lighting device 4C, and turns off the blue lighting device. A drive control command is output to turn on the lighting device 4B (S29). When the driving control command is input, the lighting device driving circuit 17 turns off the lighting devices 4A and 4C, and turns off the lighting device 4B.
Lights up. When the current detected sound volume value is the sound volume level 3 (S28: NO), the CPU 11 turns off the blue lighting device 4B and the yellow lighting device 4C and turns off the red lighting device 4A. A drive control command is output so as to be turned on (S30). When the driving control command is input, the lighting device driving circuit 17
The lighting devices 4B and 4C are turned off, and the lighting device 4A is turned on.

Next, the CPU 11 resets and restarts the timer (S31). Next, the output of the communication control unit 3 is confirmed whether an end command has been input (S15), and the drive control of the lighting device is continued.

Next, when the volume level of the volume detection value does not change during the second cycle time (3 seconds in the present embodiment) (S17: NO), the CPU 11 stops the timer (S32) and performs volume detection. When the value is constant at the volume level 1 for 3 seconds, one third of the first reference value is set as a new first reference value, and twice the new first reference value is set as a new second reference value. When the sound volume detection value is constant at the sound volume level 2 for 3 seconds, one third of the difference between the second reference value and the first reference value is set to the first value.
The value added to the reference value is set as a new first reference value, and the difference of 3
A value obtained by adding two half to the first reference value is set as a new second reference value. When the detected volume value is constant at volume level 3 for 3 seconds, a value obtained by adding one third of the difference between the maximum value of the detected volume value for 3 seconds and the second reference value to the second reference value is obtained. A new first reference value, and a value obtained by adding two thirds of the difference to the second reference value is used as a new second reference value (S33). Next, the memory 14
Is rewritten with the changed first and second reference values (S34).
Next, the CPU 11 resets and restarts the timer (S31). Next, the output of the communication control unit 3 is confirmed whether an end command has been input (S15), and the drive control of the lighting device is continued.

Next, from the karaoke device 2 to the lighting control device 1
Will be described when the end command is output. First, when an end command is output from the karaoke device 2 to the communication control unit 3, the communication control unit 3 converts the input serial data into parallel data and outputs it to the CPU 11. When a command is input from the communication control unit 3 and the CPU 11 determines that the command is an end command (S15: YES), the lighting device driving circuit 17
Then, a drive control command is output to turn off all the lighting devices 4A, 4B, and 4C (S35). Then, when the drive control command is input, the lighting device drive circuit 17 turns off the lighting devices 4A, 4B, and 4C. Next, C
The PU 11 stops and resets the timer (S3
6). Next, the status flag is set to 0 for waiting for a start command (S37), and the system enters the start command waiting state (S37).
2).

Therefore, in the lighting control device 1 of the present embodiment, when the detected sound volume level is the first sound volume level for 3 seconds or more, the first reference value and the second reference value are reset to be smaller than the first reference value. If the detected sound volume level is the second sound volume level for 3 seconds or more, the first reference value and the second reference value are reset between the first reference value and the second reference value, and When the level is the third volume level for 3 seconds or more, the first reference value and the second reference value can be set to be larger than the second reference value. This makes it possible to change the lighting in accordance with the volume level at the time of the karaoke performance, so that it is possible to effectively produce a change in the emotions of the singing person, a reception state of the audience, and the like. In addition, since the change in illumination can follow a subtle change in the detected sound volume level, it is possible to effectively produce a subtle change in the emotion of the singing person. In addition, the lighting condition can be changed in accordance with the volume level at the time of the karaoke performance, and there is no need to register an illumination pattern corresponding to the music in advance, and an effective effect can be performed at low cost. In addition, by changing the lighting state of the lighting according to the volume level,
It is possible to effectively produce the atmosphere when performing karaoke.

It should be noted that the present invention is not limited to the above-described embodiment, and various modifications and changes can be made without departing from the scope of the present invention. Is also good. (A) In the present embodiment, the sound volume level is set in two stages, but a larger sound volume level may be set and the lighting device may be changed in various ways. Although only one lighting device is turned on, a plurality of lighting devices may be turned on simultaneously. (B) In the present embodiment, the volume sensor 15 is provided only in the main body. However, the volume sensor 15 is provided in a plurality of places such as a karaoke apparatus, and the maximum value among the respective volume detection values is used as the volume detection value. The average of the values may be used as the sound volume detection value. (C) In the present embodiment, one lighting control device 1 is operated, but a plurality of lighting control devices may be operated simultaneously to drive and control more lighting devices. (D) In the present embodiment, RS-232C is used for the communication line 3, but IEEE1284, IEEE1394, or the like may be used. (E) In the present embodiment, the first cycle time is 500 milliseconds,
The second cycle time is set to 3 seconds, but may be set to an arbitrary value.

[0024]

As described above, according to the illumination control device of the first aspect, the volume level during karaoke performance is detected by the volume sensor, and the illumination state of the plurality of illumination devices changes according to the detected volume level. Thus, the lighting device can be driven and controlled. This makes it possible to change the lighting conditions according to the volume level during karaoke performances, eliminating the need to register lighting patterns that match the song in advance, enabling low cost and effective production become.
Further, by changing the lighting state of the lighting in accordance with the volume level, it is possible to provide a lighting control device capable of effectively producing an atmosphere during a karaoke performance.

According to the illumination control device of the second aspect, when the detected volume value of the volume sensor is the first volume level equal to or less than the first reference value, the first illumination device is driven, When the second volume level is greater than the first reference value and equal to or less than the second reference value, the second lighting device can be driven, and when the third volume level is greater than the second reference value, the third lighting device can be driven. . Thereby, the first to third lighting devices can be automatically driven and stopped according to the volume level,
There is no need to register a lighting pattern that matches the song in advance,
Effective production can be performed at low cost. Also, since the lighting can be changed in accordance with the volume level at the time of karaoke performance, a lighting control device capable of effectively producing a change in the emotion of the singing person, a receiving state of the audience, and the like is provided. can do.

Further, according to the illumination control device of the third aspect, the sound volume level is detected at every first reference measurement time, and when the detected sound volume level is equal to or longer than the second reference measurement time, the first sound level is detected. When the reference value and the second reference value are reset to be smaller than the first reference value, and when the detected volume level is the second volume level for the second reference measurement time or longer, the first reference value and the second reference value are set. The first reference value and the second reference value are reset between the first reference value and the second reference value, and when the detected volume level is the third volume level for the second reference measurement time or longer, the first reference value and the second reference value are set to the second reference value. It can be set higher than the value. Thereby, the first to third lighting devices can be automatically driven / stopped in response to a subtle change in the sound volume level, and there is no need to register an illumination pattern corresponding to the music in advance, and the cost can be reduced. Effective performance can be performed. Further, it is possible to provide a lighting control device in which a change in lighting can follow a subtle change in a detected sound volume level, and can effectively produce subtle changes in emotions of a singing person. be able to.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a system configuration of an embodiment of a lighting control device according to the present invention.

FIG. 2 is a drive control flowchart at the time of start of the illumination control device of the present embodiment.

FIG. 3 is a drive control flowchart when the lighting state of the lighting control device of the present embodiment is changed.

[Explanation of symbols]

 Reference Signs List 1 lighting control device 2 karaoke device 3 communication line 4A, 4B, 4C lighting device 11 CPU 12 control program 13 communication control unit 14 memory 15 volume sensor 16 A / D converter 17 lighting device driving circuit unit

Claims (3)

[Claims] 1. A driving unit for driving a plurality of lighting devices for irradiating a place where a karaoke device is installed, a detecting unit for detecting a volume of the karaoke device, and a volume detection value detected by the detecting unit. A lighting control device, comprising: control means for changing a driving state of the lighting device. 2. A storage device comprising: at least three illumination devices; and a storage unit configured to store a first reference value to be compared with the sound volume detection value and a second reference value larger than the first reference value. The control means drives the first lighting device when the sound volume detection value detected via the detection means is a first sound volume level equal to or lower than the first reference value, and the sound volume detection value is equal to the first reference value If the second volume level is greater than and equal to or less than the second reference value, the second illumination device is driven. If the volume detection value is the third volume level greater than the second reference value, the third illumination device is activated. The lighting control device according to claim 1, wherein the lighting control device is driven. 3. A means for storing a first reference measurement time and a second reference measurement time longer than the first reference measurement time; and a volume detection value detected by the volume detection means for each first reference measurement time. Means for storing the first to third volume levels. If the volume detection value is the first volume level during a second reference measurement time, one third of the first reference value is set to a new first A reference value, twice as large as the new first reference value, as a new second reference value, and when the detected volume value is the second volume level during the second reference measurement time, the second reference value and the first reference value And a value obtained by adding one third of the difference to the first reference value as a new first reference value, and a value obtained by adding two thirds of the difference to the first reference value as a new second reference value If the detected volume value is at the third volume level during the second reference measurement time, the maximum value of the volume detection value during the second reference measurement time and the second A value obtained by adding one third of the difference from the two reference values to the second reference value is set as a new first reference value, and a value obtained by adding two thirds of the difference to the second reference value is used as a new second reference value. 3. The lighting control device according to claim 2, wherein the control value is a reference value.