JP2681549B2 - Video / TV integrated composite AV equipment with karaoke - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite AV device having three functions of television, video and karaoke.

[0002]

2. Description of the Related Art Heretofore, there has been no integrated composite AV device including a video tape recorder and a television receiver, which has a karaoke function.

As individual products, there are a video with a karaoke function and a laser disk with a karaoke function. These are used by connecting the AV output terminal to the AV input terminal of the television via a cable.

When the video and the television are separate units, the antenna is generally connected to a tuner built in the video, and when the television signal (video signal and audio signal) on air is received by the television, the signal in the video is transmitted. It is designed to be input to the TV side via a cable with the recording / playback system passing through.

[0005]

In the AV system in which the video with karaoke function is cable-connected to the television as described above, when one song is finished and the next song is searched for in the playback mode of the karaoke tape. When a cue search (DPSS) for selecting a song is performed, or when the video is set to the stop mode to change the singer, an on-air TV signal is output to the AV input terminal of the TV by the automatic switching function of the video side tuner. It will be input, and the on-air program will appear on the TV screen.

However, the user is currently enjoying karaoke, and when an image of an on-air program completely unrelated to it appears on the screen or sound is heard from the speaker, the atmosphere of the place is destroyed. I will end up.

[0007] When the time is midnight and the on-air program is not broadcast, both the image and the sound become noise. Depending on the model, when the sync signal is not detected,
There are some cases where noise mute is applied to the speaker output, but in that case, the user voice that is input from the microphone and should be mixed is also muted.

The cause of the above-mentioned inconvenience is that the video and the television are separated from each other, so that on the television side, whether the signal input from the AV input terminal is a video reproduction signal or an antenna is used. It can be said that it could not be identified at all whether it was the received on-air television signal.

The present invention was conceived in view of the above circumstances, and integrates a video tape recorder having a karaoke function and a television receiver (in this specification, as described above). The integrated one is referred to as a video / TV integrated composite AV device),
Make it possible to identify the karaoke playback mode on video so that when the cue search mode or stop mode for song selection is temporarily set, the on-air television signal is not accepted and the karaoke atmosphere is not destroyed. The purpose is to do.

[0010]

The invention according to claim 1
Then, by integrating the video tape recorder and the television receiver into a single unit , the video equivalent to the video tape recorder is displayed.
Signal recording / reproduction system, audio signal recording / reproduction system, and television
Video signal reception processing system and audio signal equivalent to a video receiver
Each is equipped with a reception processing system and can be obtained with a microphone.
The audio signal from the audio signal recording / reproducing system or receiving the audio signal.
Karaoke that mixes with the audio signal obtained by the processing system and outputs
An AV device having a function part, the karaoke function part
Every time a karaoke position ON signal is input to activate
In response to this, the television signal is received by the video signal reception.
Input to the signal processing system and the audio signal reception processing system
The first means to make FF and the karaoke position ON
Each time a signal is input, the video signal recording is performed in response to this.
Determine the operating status of the re-system and audio signal recording / re-system,
Place of constant results beginning search mode or stop mode
If the karaoke function unit has been activated, a color-standby standby video signal is sent to the video signal reception processing system.
It is characterized in that it comprises a second means for sending for.

Further, in the invention according to claim 2,
In addition to the configuration described in Item 1, the image is displayed by the second means.
When the operation status of the image signal recording / playback system and the audio signal recording / playback system is determined to be the search mode or the stop mode
Responds to this by forcibly muting the speaker output.
It is characterized in that a third means for performing F is provided.

[0012]

Operation: A video tape recorder having a karaoke function and a television receiver are integrated into a video / TV integrated composite AV device to activate the karaoke function section.
Each time the Laoque position ON signal is input, the first hand
Stage provides a television signal in response to this signal input.
To the video signal reception processing system and the audio signal reception processing system
The input is turned off and the second means is used.
The operating status of the video signal recording / playback system and the audio signal recording / playback system
Is judged, and the judgment result is the cue search mode or scan.
In the case of top mode, the karaoke function has been activated.
The karaoke standby video signal that informs
Since it is sent to the signal reception processing system, it becomes possible to control the state of the image displayed on the TV screen and the speaker output, and at the same time enjoying karaoke.
You don't have to break the atmosphere inside.

That is, when the karaoke mode is set, the karaoke position ON signal is output and locked in a state in which the on-air television signal is not accepted, and the video is temporarily cued to the search mode to select a song or change a singer. When in stop mode, the karaoke standby video signal is output to the TV to display an appropriate karaoke standby screen.

Further, when the cue search mode or the stop mode is set, even if the time is midnight and the on-air program is not broadcast and the synchronization signal is not detected, the speaker output mute is turned off, in other words, By enabling the speaker output, it is possible to enjoy the microphone test and the singing voice by the singer without prohibiting the microphone input voice from being output from the speaker.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a karaoke-equipped video / TV integrated composite AV device according to the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing the electrical structure of a karaoke-equipped video / TV integrated composite AV device.

In FIG. 1, 2 is a receiving antenna, 4 is a tuner, 6 is an audio / video intermediate frequency amplifying and detecting circuit, 8,
Reference numerals 10 and 12 are auxiliary input terminals (AUX) for connecting a laser disk or a video movie, 8 is a video input terminal, 10 is a left audio input terminal, 12 is a right audio input terminal,
Reference numeral 14 is an input side interlocking changeover switch, 16 is a video signal recording / reproducing system, 18 is an audio signal recording / reproducing system, and 20 is an output side interlocking changeover switch.

Video signal recording / reproducing system 16 and audio signal recording / reproducing system 18
Can be considered to have the same function as the video tape recorder.

The input-side interlocking change-over switch 14 is for switching a tuner position, an auxiliary input position, and a non-connection position as a video / audio signal to be input.

The output side interlocking changeover switch 20 switches between a video reproduction position and a through position as a video / audio signal to be output.

22 is a microphone, 24 is a microphone jack, 2
6 is a microphone voice amplifier, 28 is a microphone voice volume,
30 is an audio mixing circuit, 32 is a tone control circuit, 34 is a dual audio output circuit, 36 is a left speaker, 38
Is the right speaker.

The left and right audio signals or the audio signal recording / reproducing system 18 directly passing through the input side interlocking changeover switch 14 to the output side interlocking changeover switch 20 are reproduced and output through the output side interlocking changeover switch 20. The incoming audio signal and the user's audio signal input from the microphone 22 are mixed in the audio mixing circuit 30. That is, the microphone 22, microphone jack 24, microphone audio amplifier 26, microphone audio volume 2
8 and the audio mixing circuit 30 constitute a karaoke function section.

Reference numeral 40 is a key matrix for giving various commands by manual operation in the main body of the apparatus, 42 is a remote control signal receiving section for receiving a remote control signal from a remote control transmitter (not shown), and 44 is a main controller for collectively controlling the entire apparatus. A microcomputer, 46 is a servo microcomputer for controlling a mechanism system, 48 is a video chroma jungle (V / C / J), 50 is a D / A converter, and 52 is an on-screen display circuit (OS).
D). And the above video tape recorder machine
Video signal recording / reproducing system 16 and audio signal recording / reproducing system 18, which fulfill the function
And the part except the karaoke function part is a television
It functions as a receiver, and in this example, the
4, audio / video intermediate frequency amplification and detection circuit 6, input side
Interlocking changeover switch 14, output side interlocking changeover switch 20,
And video chroma jungle 48 receives video signal
In addition to the processing system, tuner 4, video and audio intermediate frequency amplification
And detection circuit 6, input side interlock switch 14, output side
Interlock switch 18, tone control circuit 32,
And the two-voice output circuit 34 is applied to the voice signal reception processing system.
Each is equivalent. In addition, the above main microcomputer
The computer 44 has the first to third aspects in the claims.
Means.

The main microcomputer 44 decodes the input command signal from the key matrix 40 or the remote control signal receiving section 42 to obtain the tuner 4, the input side interlock changeover switch 14, the video signal recording / reproducing system 16, the audio signal recording / reproducing system. 18, output side interlocking changeover switch 20, two-voice output circuit 3
4, servo microcomputer 46, D / A converter 50 and on-screen display circuit 5
Control 2 etc. Main microcomputer 44
Control signals and information are exchanged between the servo microcomputer 46 and the servo microcomputer 46.

The main microcomputer 44 is D /
As the information given to the A converter 50 and the on-screen display circuit 52, as the level control information about the image, color density (COLOUR), contrast (CONTLAST), brightness (BRIGHT), hue (TINT) and its OSD display information, etc., and bass (BASS), as level control information about voice,
High tone (TREBLE), left and right volume balance (BALAN
CE), volume (VOLUME) and OSD display information thereof.

The D / A converter 50 provides level control information about the video to the video chroma jungle 48, while providing level control information about the audio to the tone control circuit 32. The on-screen display circuit 52 converts the given level control information including various information characters into three primary color signals of R, G, B and sends them to the video chroma jungle 48. The video chroma jungle 48 outputs R, R from the luminance signal and the chroma signal input from the video signal recording / reproducing system 16.
The G and B primary color signals are generated and the vertical synchronizing signal and the horizontal synchronizing signal are generated. Also, various level control information from the on-screen display circuit 52 is mixed and sent to the CRT.

As described above, the composite AV equipment in which the video tape recorder and the television receiver are integrated and the karaoke function is mounted is further provided with the following configuration.

In the key matrix 40, the karaoke position O with respect to the main microcomputer 44
A key is provided for sending the N signal. Also,
The remote controller transmitter (not shown) is also provided with similar keys, and the remote controller signal receiving section 42 sends the remote controller signal to the main microcomputer 44.

When the karaoke position ON signal is input, the main microcomputer 44 first
The input side interlock changeover switch 14 is forcibly switched to the non-connection position. As a result, the video signal from the video input terminal 8 of the tuner 4 or AUX and the audio signals from the left and right audio input terminals 10 and 12 of the tuner 4 or AUX are not input to the VTR side or the CRT side. .
By disconnecting the connection with the tuner 4, the input of the on-air television signal is turned off.

After switching to the non-connection position, the main microcomputer 44, based on the information from the servo microcomputer 46, the current video tape recorder (video signal recording / reproducing system 16, audio signal recording / reproducing system 18).
Determine what the state of is like.

When the karaoke mode for reproducing the karaoke tape is designated, the main microcomputer 44 controls the video signal recording / reproducing system 16 and the audio signal recording / reproducing system 18 to the reproducing state, and the output side interlocking changeover switch. 20 is switched to the reproducing side, the video signal reproduced from the karaoke tape is sent to the CRT via the video chroma jungle 48 to display the karaoke screen, and the accompaniment audio signal reproduced from the karaoke tape is mixed by voice. It is sent to the circuit 30. At this time, microphone 2
The audio signal from the user who enjoys karaoke input from 2 is mixed with the audio signal of the accompaniment in the audio mixing circuit 30, and the left and right speakers 36, 38 are passed through the tone control circuit 32 and the dual audio output circuit 34.
Will be emitted from.

Incidentally, the reproduction of the karaoke tape causes the video chroma jungle 48 to output a synchronizing signal.
As long as the sync signal is detected, the two-voice output circuit 34
To the speaker output mute OFF. Therefore, the two-voice output circuit 34 is in the output permission state.

Next, the main microcomputer 44
As a result of determining the video state, the main microcomputer 44, when the karaoke position ON signal is input, indicates to the on-screen display circuit 52 when it is in the cue search mode or the stop mode. A karaoke standby ON signal is transmitted, and a speaker output mute OFF signal is transmitted to the two-voice output circuit 34.

As a result, the on-screen display circuit 52, for example, for the video chroma jungle 48, an appropriate karaoke standby video signal,
For example, a video signal for displaying "KARAOKE STAND-BY" or the like in white characters on a green background is sent in the form of R, G, and B primary color signals.

By the way, at the time of reproducing a normal tape which is not a karaoke tape, when the video state is not the reproduction mode but the cue search mode or the stop mode, the main microcomputer 44 does not detect the sync signal. The ON signal is sent to the dual audio output circuit 34 to prevent noise audio from being emitted from the speakers 36 and 38.

However, when the karaoke tape is reproduced and the karaoke position ON signal is input to the main microcomputer 44 in advance, the sync signal is not detected, that is, the on-air television signal such as midnight is received. Even if it is not, the main microcomputer 44 turns off the speaker output mute.
The signal is sent to the two-voice output circuit 34, and the two-voice output circuit 3
No. 4 is set as a voice output allowable state, and the voice mixing circuit 30
The audio signal from the microphone 22 input by the user via the speaker is emitted from the speakers 36 and 38.

When it is necessary to adjust the microphone sound volume in the mute OFF state because the singer changes, etc., the microphone test can be performed by adjusting the microphone sound volume 28. In addition, the speaker 36 without karaoke accompaniment,
You can also enjoy singing through 38.

The karaoke position ON signal is output not only from the key matrix 40 and the remote control signal receiving section 42, but also from the microphone jack 24 to the microphone 22, for example.
Attach an interlock switch that turns on when the
The ON signal may be used as a karaoke position ON signal.

[0039]

According to the first karaoke-equipped video / television integrated composite AV apparatus according to the present invention, the video tape recorder and the television receiver are integrated, so that the television screen is determined based on the result of the determination of the video state. And speaker output can be controlled, and when the video is temporarily set to search mode or stop mode for song selection or singer replacement, output of on-air programs is prohibited and an appropriate karaoke standby screen is displayed. This has the effect of not breaking the atmosphere while enjoying karaoke.

Further, according to the second karaoke-equipped video / television integrated composite AV apparatus according to the present invention, when the cue search mode or the stop mode is set in a time zone such as midnight when an on-air program is not broadcast, synchronization is achieved. Even if a signal is not detected, the speaker output can be muted and the singing voice can be enjoyed through the speaker output without muting the speaker output and without outputting the noise sound.

[Brief description of the drawings]

FIG. 1 is a karaoke-equipped video according to an embodiment of the present invention.
It is a block diagram which shows the electric constitution of a television integrated composite AV apparatus.

[Explanation of symbols]

2 receiving antenna 4 tuner 32 tone control circuit 14 input side interlock switch 34 two audio output circuit 16 video signal recording / reproducing system 36 left speaker 18 audio signal recording / reproducing system 38 right speaker 20 output side interlocking switch 40 key matrix 22 microphone 42 Remote control signal receiver 24 Microphone jack 44 Main microcomputer 26 Microphone audio amplifier 46 Servo microcomputer 28 Microphone audio volume 48 Video chroma jungle 30 Audio mixing circuit 52 On-screen display circuit

Claims (2)

(57) [Claims] 1. A video tape recorder in which a video tape recorder and a television receiver are integrally combined to form a video tape recorder.
Video signal recording / reproducing system and audio signal recording / reproducing system
A video signal reception processing system equivalent to a revision receiver and
Each has a voice signal reception processing system and a microphone
The audio signal obtained by
Output by mixing with the audio signal obtained by the signal reception processing system
An AV device having a karaoke function part , wherein a karaoke position for activating the karaoke function part is ON.
Every time there is a signal input, the television
Is a video signal reception processing system and an audio signal reception processing system.
The first means for turning off the input to the
In response to this, the video signal recording / reproducing system and the audio signal recording / reproducing system
If the result of the judgment is that the search mode or the stop mode is found, the karaoke function section
Karaoke mounted video TV-integrated composite AV equipment to the second means for sending a karaoke standby video signal informing that launched to the video signal reception processing system, comprising the. 2. In addition to the arrangement of claim 1, wherein said
Video signal recording / reproducing system and audio signal recording / reproducing system by means of 2
Is in search mode or stop mode
If it is determined that the karaoke-equipped composite video / television integrated AV equipment is provided with a third means for forcibly turning off the speaker output mute accordingly .