JPH02242587A - Dimmer in audio reproducer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a light control device for an audio reproduction device, and for example, to a light control device for a karaoke system.

[Conventional technology]

There are various types of karaoke systems, from those for home use to those for commercial use, and when categorized in terms of configuration, there are a wide variety of karaoke systems, from those using an eight-track disc to video disc karaoke systems capable of outputting video.

The video disc karaoke system (hereinafter referred to as the "do karaoke system") allows the singer (user) or user to sing into a microphone along with accompaniment music while watching the lyrics and images displayed on a monitor television. It is a system that Video discs include LaserVision discs (L), which display videos on a monitor television.
D) and a compact disc on which still images are projected (C
DVDCDI) etc.

Users of the karaoke system who sing may be spotlighted to increase the performance effect. The illumination mode was either fixed illumination light inside, or flashed at regular time intervals.

[Problem to be solved by the invention]

There is little change in the illumination light described above. Additionally, in some cases, the spotlight may flicker slowly even though a slow tempo song is being played, and conversely, the spotlight may blink at a slow speed even though a fast tempo song is being played. As a result, some users found that even when they were singing along to the accompaniment music, they were not feeling well.

In addition, there were cases in which it was not possible to change the lighting even if the lighting did not match the atmosphere of the store where the karaoke system was installed.

Therefore, the present invention changes the number of lights turned on and the blinking interval of the lights individually or continuously in accordance with the singer's voice volume, the volume of the accompaniment music, the rhythm of the accompaniment music, and a separately provided oscillator. The purpose of this invention is to provide a light control device that can

[Means to solve the problem]

FIG. 1 shows a diagram of the principle of the present invention. - A portion A surrounded by a chain dotted line corresponds to claim 1, a portion B surrounded by a chain double-dashed line corresponds to claim 2, and a portion C surrounded by a chain three-dot line corresponds to claim 3.

The light control device in the sound playback device according to the invention of claim 1 is the light control device in the sound playback device that superimposes a microphone (803) source on music information recorded on a recording medium (801) and outputs the same. The lamp blinking pattern of is stored in the pattern storage section (805), the rhythm of the music information or the microphone source is detected by the rhythm detection section (806), and the dimming control section (807) is activated according to the detected rhythm. ), the blinking pattern is selected and determined, and the lamp (804) is controlled to blink.

A four-light device in an audio reproduction device according to the invention of claim 2 is a light control device in an audio reproduction device that superimposes a microphone (803) source on music information recorded on a recording medium (801) and outputs the same. A plurality of lamp blinking patterns are stored in the pattern storage section (805),
The volume of the music information or the microphone source is detected by a volume detection unit (809), and depending on the volume, the dimming control unit (807) selects and determines the blinking pattern to control blinking of the lamp (804). It is configured as follows.

A light control device in a sound playback device according to the invention of claim 3 is a light control device in a sound playback device that superimposes 17 a microphone (8 0 3 ) source on music information recorded on a recording medium (801) and outputs the result. A plurality of lamp blinking patterns are stored in advance in the pattern storage unit (805), and the cycle generated by the oscillator (81.1) is processed by the dimming control unit (807)2, and the blinking pattern is adjusted according to the processing result. The lamp (804) is configured to blink and control the lamp (804) by selecting and determining a pattern.

[Effect]

According to the invention of claim 1, a recording medium (801)
The music information stored in is played back by the playback device (802) and output from the speaker (808). According to this music information, the microphone (803) outputs the voice
A karaoke performance is performed using human power (singing voice).

A rhythm detection section (806) detects a rhythm signal from among the music signals during the karaoke performance.

On the other hand, a large number of blinking patterns are stored in advance in the pattern storage section (805).

Then, the dimming control section (807) selects and determines the blinking pattern depending on the slowness of the rhythm.

Based on this selection decision, the lamp (804) is controlled to blink. Note that the monitor television (81,0) is used in the case of a video disc karaoke system.

According to the invention of claim 2, the music information stored in the recording medium (80F,) is reproduced by the reproduction device (802) and output from the speaker (808). A voice (singing voice) is human-powered from the microphone (803) according to this music information,
Karaoke will be performed.

The volume level of the microphone signal during this karaoke performance is detected by a volume detection section (809).

On the other hand, a large number of blinking patterns are stored in advance in the pattern storage section (805).

Then, the dimming control section (807) selects and determines a blinking pattern depending on the detected volume level. Based on this selection decision, the lamp (804) is controlled to blink.

According to the third aspect of the invention, music information stored in a recording medium (801) is reproduced by a reproduction device (802) and output from a speaker (808). Sound (singing voice) is input from the microphone (803) in accordance with this music information, and a karaoke performance is performed.

On the other hand, a large number of blinking patterns are stored in advance in the pattern storage section (805). Further, an oscillator (811) outputs a signal with a predetermined period.

Then, the blinking pattern is selected or determined in accordance with the period in the dimming control section (807). Based on this selection decision, the lamp (804) is controlled to blink.

〔Example〕

Next, embodiments of the present invention will be described based on the drawings.

FIG. 2 and FIG. 5 respectively show a block diagram and an external view of an embodiment of the present invention.

As shown in FIGS. 2 and 5, embodiments of the present invention include:
The system includes an existing video disc karaoke system (hereinafter referred to as karaoke system) 100, a lighting section 200, a speaker section 300, a monitor section 400, a floor lighting section 500, and a dimming control section 600.

First, the mechanical structure of the embodiment will be explained with reference to FIG.

A frame 702 made of a pipe moon and having a U-shaped side surface is fixed to the upper surface side of the pedestal 701. Pedestal 7
A floor lighting section 500 partitioned into four sections is formed in the center of 01, and two fluorescent lamps (not shown) are arranged inside the partitions. A support column 703 is fixed upright at the tip of the pedestal 701 (on the right side in the figure), and a monitor television 6 constituting the monitor section 400 is mounted at the top of the column. A microphone 8 is hooked to the lower front surface of the monitor television 6.

A ceiling plate 707 is installed on the upper side of the frame 702 (=I
I'm being kicked. A first acoustic reflector 705 with a predetermined angle is installed on the lower surface of the tip of the ceiling plate 707. A reflecting plate 706 is placed opposite to the first acoustic reflecting plate 705.

A rear plate 704 is provided between the left and right vertical columns of the frame 702.

First and second talk pack speakers 17a, 7b are fixed at a predetermined angle to the upper portions of the left and right vertical columns of the frame 702, respectively. These speakers 1
．． The accompaniment music emitted from 7a and 17b is divided into those that directly reach the singer (not shown) on the pedestal 701 and those that do not directly reach the singer. Accompaniment music that does not reach the singer directly is reflected by the first acoustic reflector 705 and then reflected by the second acoustic reflector 706 to reach the singer's ears.

That is, two types of accompaniment music, direct and indirect, reach the singer, and the singer can enjoy a more powerful sense of presence.

On the outer periphery of the second part of the frame 702, there are two first
Sixth spotlights h 15 a to 15 f are attached to illuminate the singers (users).

The existing karaoke system 10 is inside the control unit storage box 710.
0 and a dimming control unit 600 are housed therein.

Control unit storage box 7]0 and pedestal 70F are cables]0 It is connected via 711.

Next, a circuit block configuration of an embodiment of the present invention will be explained with reference to FIG.

An existing karaoke system 100 includes a video disc (recording medium) 1 and a karaoke device 2. The karaoke device 2 includes a source playback device 3 and a video signal processing section 4.
, mixing amplifier 5, monitor TV 4a, and speaker 5
It is composed of a. A microphone 8 is connected to the mixing amplifier 5. A video signal VSI is outputted from the video signal processing section 4 and is connected to be input to the chondral rough. The mixing amplifier 5 outputs an audio signal ASI consisting of accompaniment music and a singer's voice, and is connected to the controller 7 for human input. Note that the audio signal may be extracted directly from the microphone 8. Further, the audio signal ASI is a stereo signal.

The illumination light unit 200 includes first to sixth sub-board lights 1.
-5a to i-5f. Each spotlight 1-5a to 15f is connected to an output terminal 1.4a to 1-4f of the controller 7.

The speaker section 300 includes an amplifier 16 and speakers 17a, 1
．． 7b. The audio signal AS2, which is the output signal of the control rough, is connected to be supplied to the amplifier 16.

The monitor section 400 includes a monitor television 6. The monitor television 6 is connected to be supplied with a video signal VS2 which is an output signal of the controller 7.

The floor lighting section 500 is configured with a fluorescent lamp or the like as described above.

The dimming control section 600 includes a controller 7, a power supply circuit, and the like. The detailed configuration of the dimming control unit 600 is shown in FIG. 3, and the configuration will be explained later together with the operation.

The controller 7 is supplied with commercial power through a power cord 9a having a plug 9. The commercial power supply is connected to the first to third outlets hl via the power switch 10.
la, 1 lb, 1 ] c. A plug 12a connected to a power source cord 6a is inserted into the first outlet 11a. As a result, commercial power is supplied to the monitor television 6. second outlet], 1 b
plug 12b connected to power cord 1-3a
is now inserted. As a result, the floor lighting section 5
00 fluorescent light (not shown) is lit. Third outlet h 1.1. A plug 12c connected to the power cord 16a is inserted into the plug 12c. As a result, commercial power is supplied to the amplifier 16. The controller 7 outputs an audio signal AS3, and is connected to, for example, a tape deck.

Next, the operation will be explained.

First, as a prerequisite in FIG. 2, the plug 9 is inserted and connected to a commercial power supply (not shown), and the first to third plugs 12a to 1-2c are connected to the outlet 11, respectively.
a to 1] c.

When the power switch 1o is turned on in this state, the fluorescent lamp of the floor lighting unit 500 is turned off after about 5 seconds, and only one fifth spotlight 15e (see FIG. 5) is turned on, and the pedestal 70F is turned on. illuminate the surrounding area. This lighting can prevent the user from tripping on the pedestal 701- even if the surroundings are dark. This system is particularly effective if the installation location is dark or if the user is a drunk. Fifth spotlight]-5e is a video signal V to be described later.
When S1 is output, the lights are turned off synchronously, and the previous safety use is switched to the flashing control use.

Next, the operator of the karaoke system sets the recording medium (video disc) 1 in the SOS playback device 3, and selects a song that the user wants to sing. Then, the video signal processor 4 outputs the video signal S1, and the lyrics, background, etc. are displayed on the monitor television 6 as the video signal VS2 via the controller 7. At the same time, the same lyrics and background are also displayed on the monitor television 4a. The video signal VS1 described above
The audio signal ASI is output from the mixing amplifier 5 with a slight delay.
rJj and is supplied to the controller 7. This audio signal ASI is supplied as audio signals AS2 and I7 from the controller 7 to the amplifier 16 (Jl), and is also supplied as an audio signal AS3 to a tape deck (not shown in the figure) or the like. The audio signal AS2 reaches the user's ears as accompaniment music from the speakers 1.7a and 3.7b.In this state, the user sings into the microphone 8.Then, the mixing amplifier 5 produces accompaniment music. and audio (the user's singing voice) are mixed, amplified by an amplifier 16, and output from speakers 17a and 17b as ``C karaoke music''.

On the other hand, the above-mentioned audio signal ASI is processed by the controller 7 and the spotlight is controlled to blink. This blinking control will be explained based on FIG. 3.

As shown in FIG. 3, the audio signal ASI consisting of stereo (F signal (L signal and R signal)
supplied to This audio signal ASI is transmitted to the output terminal 51.
a, 51. b empty & point signal a. It is output as S 2, and Ondo 1 signal A is output from 1η force terminal 52a52b.
It is output as S3.

The L signal and R signal of the audio signal AS1 input from the input terminals T-2 1-a, 2] and b are amplified by buffer amplifiers 22a and 22b, respectively, each having a high input impedance. The output terminals 51a, 51b and 52a, 52b are set to high impedance.
This is to eliminate the influence of other audio equipment connected to the After the amplification, the audio signal ASI is supplied to the mixing amplifier 23, where the R signal is synthesized. 2
The reason why two signals are synthesized is that the rhythm signal and the audio signal (singing voice) may be unevenly distributed only in the L signal or only in the R signal. This composite signal passes through a manual sensitivity adjustment Bonnieme 24, is amplified by an amplifier 25, and is then distributed into two signals. By adjusting the polycomb 24, the lighting section 20 can be adjusted to suit the atmosphere of the store (for example, a quiet store).
You can set the level of the music signal to achieve zero dimming.

Next, one of the composite signals is detected by the level detection section 26,
It is output at a DC level that corresponds to the AC level in the composite signal. When the direct current level fluctuates minutely, the spotlight constant switch 27 makes the fine fluctuations more noticeable. This has the effect of preventing shortening of the lifespan of spotlights 1 to 1 due to excessive blinking, in addition to the production effect generated as a result of switching the time constant. The DC signal after detection is analog/digitally converted into a 6-bit digital signal corresponding to the level by the 1-novel comparator 28. This 6-bit signal is subjected to pulse length control by passing through a monostable multivibrator 29. This is to prevent flickering on the spotlight due to level fluctuations. Furthermore, the 6-bit signal is sent to the decoder 3o.
The signal is converted into a 3-bit binary symbol, and is input to the address line of the ROM 31, which stores a spotlight to be described later. The decoder 30 is for reducing six human power lines to three trees.

The other synthesized signal (audio signal) output from the amplifier 25 is amplified by a buffer amplifier 32, and then filtered to 1-25 Hz and 8 KH by first and second band pass filters (BPF) 33a33b, respectively. The components in the z domain are extracted. For example, a bass rhythm signal passes through a first bandpass filter 33a, and a cymbal rhythm signal passes through a second bandpass filter 33b. Since the audio signal (singing voice) is generally 400 to 1 KHz,
It does not pass through these band pass filters 33a and 33b. Therefore, rhythmic components in the singing voice will be ignored.

This makes it possible to extract a relatively stable rhythm of a musical instrument in a pseudo manner. The passed rhythm signal components are mixed by a mixing amplifier 34. This mix allows both bass and treble rhythm signals to be mixed together. This mix signal passes through the rhythm detection section 35, and a pseudo rhythm signal of accompaniment music is created. This pseudo rhythm signal is! After the pulse length is controlled by the 11 stable multivibrator 36, it is counted by the counter 37. The purpose of controlling the pulse length is, for example, to prevent the counter from continuously counting due to repeated drum strikes. The output of this counter 37 determines the timing for changing the combination of spotlights.

The oscillator 39, the counter 40, and the latch 41 generate a random signal to provide randomness to the lighting of the spotlight. This is because if randomness is not provided, the audience etc. will be able to predict the blinking pattern and lose interest. This random signal is inputted to the address line of the ROM 3 at the timing of the output of the rhythm signal counter 37 described above.

The slowest output of the counter 40 is input to the counter 42, which generates the timing and address signal for changing the lighting combination of the spotlights in a fixed period of time during the fourth automatic mode, which will be described later. The output of this counter 42 is input to the address line of the ROM 31.

The output of the ROM3 is transmitted to the switching circuit 49 via the F4I coupler 48. switching circuit 4
9 switches the commercial power source (AC100) in accordance with the control signal output from the light amount adjustment section 50, and after adjusting the light amount, it is output to the Spora I light. R.O.
A first automatic mode switch 43, a third automatic mode switch 44, and a fourth automatic mode switch 45 for flashing moto setting are connected to M31. The fifth motoswitch 46 is for manual mode and is connected to a manual mode switch 47 for turning on and off the individual spotlights.

The power mute unit 56 delays the output voltage from the power supply circuit 55 for about 5 seconds after the power switch 10 is turned on, and turns off all the spotlights until the voltage becomes stable.

Next, various modes will be explained.

The first automatic mode is determined as a spotlight to be lit. The switching timing of the spotlight alignment is short, and the switching occurs after the number of detected rhythms counts 8. Time constant switch 27
The level detection time constant of is small and corresponds to relatively small level fluctuations. To set the first automatic mode, it is sufficient to turn on the first automatic mode I switch 43.

The second automatic mode is spotlight There are 1 to 6 elephants, and the number depends on the sound level.

The switching timing of the lighting combination of the spotlights is long, and the number of rhythms changes at 32 counts. The level sensing time constant is dog, and small level fluctuations are ignored. When the second automatic mode switch 38 is turned on, pulses corresponding to 32 force counts are supplied to the latch 4]. When the second automatic mode switch 38 is off, the latch 41 is supplied with eight pulses worth of pulses.

In the third automatic mode, the number of spotlights is 2 or 3 without biasing to the left or right. Two lights are lit when the level is 0 to 4 (low), and three lights are lit when the level is 5 to 6 (iQ21 is low). That is, even if there is no audio signal ASI, two lights will light up, and conversely, even if a very loud singing voice is produced, three lights will not light up. The switching timing for spotlight alignment is short, and the rhythm number switches at 8 counts. The level detection time constant is small.

In the fourth automatic mode, the number of illuminated spotlights is 2 to 4 without biasing to either the left or right side. The spotlight change timing is constant (approximately 3 seconds).

The fifth mode is manual mode, mode setting switch 46
It is set when you turn on. In this case, each spotlight can be turned on or off at all times using the individual spotlight manual mode switch 47.

Incidentally, blinking pattern control as shown in FIG. 4 is also possible. As shown in FIG. 4(A), information for lighting the first to sixth lamps at rhythm timings 1, 1.13 and onwards is stored in the ROM 3 as a basic blinking pattern. On the other hand, it is assumed that the voice level of the singer changes as shown in FIG. 4(B) in accordance with the timing.

1. For example, in the evening 1' mink t5, the number of lights in the basic pattern is 3, and the audio level is 0. In this case, a synthesis operation is performed on the basic pattern according to the actual audio level, and the number of lights to be lit is six. This shift can further enhance the performance of karaoke music for users with loud voices.

In addition, in this embodiment, a floor lighting section 500 (see FIG. 2)
Although the fixed illumination 12 and the light amount adjustment unit 50 (see FIG. 3) are manually operated, they may be automatically adjusted.

Further, in this embodiment, a video disc is used as the recording medium, but it is of course applicable to a karaoke machine that uses only audio signals.

Furthermore, the rhythm of a singing voice may be detected and used for dimming control.

〔Effect of the invention〕

As explained above, according to the invention of claim 1, the flashing pattern of the spotlight changes according to the speed (rhythm) of the song, and according to the invention of claim 2, the flashing pattern of the spotlight changes according to the volume of the volume. Furthermore, according to the invention of claim 3, the blinking pattern of the spotlight changes depending on the period of the oscillator, thereby producing a lighting effect.Therefore, the singers and the audience can be more entertained. You can do it.

[Brief explanation of drawings]

Fig. 1 is a diagram explaining the principle of the present invention, Fig. 2 is a block diagram of an embodiment of the invention, Fig. 3 is a block diagram of a controller in an embodiment of the invention, and Fig. 4 is a synthesis of rhythm and audio level. FIG. 5 is an external configuration diagram of an embodiment of the present invention. 80]...Recording medium (video disc) 802...
Playback device 803...Microphone 804...Spotlight 805...Pattern storage section 806...Rhythm detection section 807...Dimmer control section 808.Speaker 809..Volume detection section 811.Oscillator Ko00. Existing karaoke system 200... Lighting section 300... Speaker section 400... Monitor section 500... Floor lighting section 600... Controllers ASl, AS2, AS3 - Audio signal VSI VS2... Video signal

Claims (1)

[Claims] 1. In a light control device in an audio reproduction device that superimposes a microphone source on music information recorded on a recording medium and outputs the same, a plurality of lamp blinking patterns are stored in advance, and a plurality of lamp blinking patterns are stored in advance, What is claimed is: 1. A light control device for a sound reproduction device, characterized in that a rhythm of a microphone source is detected, and the blinking pattern is selected and determined according to the detected rhythm to control blinking of a lamp. 2. In a light control device for an audio reproduction device that superimposes a microphone source on music information recorded on a recording medium and outputs the same, a plurality of lamp blinking patterns are stored in advance, and the light control device adjusts the light according to the volume of the microphone source. A light control device for a sound reproduction device, characterized in that the blinking pattern is selectively determined to control blinking of a lamp. 3. In a dimming device for an audio reproduction device that superimposes a microphone source on music information recorded on a recording medium and outputs the same, a plurality of lamp blinking patterns are stored in advance and the light is adjusted according to the period of the signal emitted from the oscillator. A light control device for a sound reproduction device, characterized in that the blinking pattern is selectively determined to control blinking of a lamp.