JPH11231882A - Digital satellite broadcasting receiver having 'karaoke' function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform 'karaoke' music inexpensively without occupying large space in such a state as effectively coexisting with a receiving function for satellite broadcasting, and actively using received broadcasting. SOLUTION: Accompaniment music is synthesized with a synthesizer 22 on the basis of the digital 'karaoke' data of specified music read out from a disk medium such as CD, DVD and MD according to a user's input.to a user interface circuit 5. A selector circuit selectively derives a speech signal from a speech decoding circuit and an analog speech signal from the synthesizer 22 to a speech output terminal 25 for external equipment. Also, an image with the character string of words added to a decoded image from an image decoding circuit on the basis of the 'karaoke' data is derived to an image output terminal 24 for external equipment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a digital satellite broadcast receiver, and more particularly to a digital satellite broadcast receiver having a karaoke function.

[0002]

2. Description of the Related Art In a relatively small izakaya or small restaurant, a digital satellite broadcast receiver is often installed and a satellite broadcast program is broadcasted as part of a service for a visitor. In addition, some stores are considering introducing a karaoke device to further improve customer service in order to differentiate themselves from other stores. The display and speakers connected to the digital satellite broadcast receiver can be shared with the karaoke device, and the received broadcast can be played between karaoke performances in cooperation with the receiver, so that shopkeepers are willing to introduce.

[0003]

However, the karaoke apparatus is not a cheap one. When considering cost-effectiveness, they often take a second step. In addition, the karaoke apparatus is equipped with a large-scale laser disc changer for supplying accompaniment music and background images in addition to the controller, which makes the apparatus larger. Therefore, the inability to secure an installation space for the karaoke apparatus is a major obstacle to introduction.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to provide a karaoke performance utilizing a received broadcast, which is inexpensive, takes up little space, can coexist with a satellite broadcast receiving function without waste, and utilizes the received broadcast. It is an object of the present invention to provide an apparatus for performing the above.

[0005]

In order to achieve the above object, a digital satellite broadcast receiver according to the present invention includes a demodulation circuit system for appropriately selecting a transmission channel from an antenna input and extracting a received data stream, A demultiplexing circuit system for appropriately selecting a knitting channel to separate encoded video data and encoded audio data and control data, and a video decoding circuit for decoding the encoded video data; An audio decoding circuit for decoding audio encoded data, a user interface circuit for receiving an operation input from a user, a system control unit for controlling these units, a CD, a DVD and an M
A disk drive for reproducing digital data on a disk medium such as D, and generating accompaniment music based on digital karaoke data of a specified song read by the disk drive according to a user input given to the user interface circuit system A synthesizer, a switching circuit system for selectively leading an audio signal from the audio decoding circuit system and an analog audio signal from the synthesizer to an audio output terminal for an external device, and characters of lyrics based on the karaoke data. Image synthesizing output means for outputting an image obtained by adding a column to the decoded video from the video decoding circuit system to a video output terminal for an external device.

Further, the following requirements (A) to (H) may be appropriately combined with this digital satellite broadcast receiver as a basic configuration.

(A) The digital satellite broadcast receiver according to claim 1, wherein the karaoke data includes graphics data for drawing an animation, and the graphics data is used when the synthesizer generates the accompaniment music. An image drawn together with the lyric character string based on the scan data is derived to the video output terminal for the external device.

(B) The data obtained by the demultiplexing circuit system can be recorded on a predetermined disk medium set in the disk drive.

(C) The management data recorded in the header of the disk medium includes a classification code indicating the music genre of each of the songs, and the management data in the composition channel selected by the demultiplex circuit system is included. During the decoding output of the video encoded data, the music corresponding to the classification code that matches the genre designation code included in the control data of the organization channel according to the user input given to the user interface system is executed. The music generated by the synthesizer based on the karaoke data of the music to be played back by the disk drive is led to the audio output terminal for the external device by the switching circuit system.

(D) The karaoke data transmitted at appropriate times via a communication medium is stored in an appropriate storage means.

(D) A billing device is provided, and a fee is collected according to the performance of the karaoke accompaniment music.

(E) Means for displaying to a user a music name to be a music selection candidate, and search reservation means including operation input means for operating the user to input search conditions and music identification. The music selection candidate music list is read from an appropriate storage unit, and the music list is used as a part of the music selection candidate data handled by the search reservation means, and the reserved music is played in order.

(F) Auxiliary input terminals for inputting audio and video signals output from external devices such as CD, DVD and MD players are provided. It is led to an audio output terminal and the video output terminal.

(G) The karaoke data of each of the songs has a background selector appropriately set, and a received image of a channel corresponding to the background selector from the received multi-channel digital broadcast. And a background processing means for supplying the selected karaoke music data to the video decoding circuit system. When there is a request to reproduce a karaoke song, the background selector of the corresponding karaoke data is picked up and given to the background processing means.

(H) lighting control means for controlling a plurality of lighting fixtures, wherein the digital lighting control code corresponding to the progress of the karaoke accompaniment music, such as the timing of blinking and the designation of the lighting color in each of the lighting fixtures, is provided. The lighting control code is included in the karaoke data for each music piece, and the lighting control code is provided to the lighting control means in synchronization with the reproduction processing of the karaoke accompaniment music.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS === Basic Configuration and Operation of Receiver === FIG. 1 shows an example of the configuration of a digital satellite broadcast receiver. The system microcomputer 1 controls the entire receiver. Microcomputer 1
Has a ROM 2 and a RAM 3 attached thereto. An operation panel 4 for exchanging various kinds of information with a user is connected to the system microcomputer 1 via a user interface circuit 5. Further, an IC card 6 for recording billing information and the like of a pay broadcast service is connected to the microcomputer 1 via an IC card interface circuit 7. A telephone network is connected to the microcomputer 1 via the network control circuit 8 and the modem 9.

The signal captured by the antenna 10 is the tuner 1
1 is input. The tuner 11 selects a desired transmission channel. For the signal of the transmission channel selected by the tuner 11, the demodulation circuit 12 and the error correction circuit 1
In step 3, QPSK demodulation and error correction are performed. Next, if the data is scrambled, it is processed by the descrambling circuit 14. Thus, a reception data stream (transport stream) in which the MPEG2 video data, the MPEG audio data, and other control data are multiplexed can be extracted. An organization channel is appropriately selected from the received data stream, and video and audio encoded data are separated and extracted by the demultiplexing circuit 15,
The video signal and the audio signal are obtained by decoding by the MPEG2 decoder 16, respectively. The video signal is led to the video output terminal 24 via the on-screen display circuit 17.

The audio signal output from the MPEG2 decoder 16 is led to an audio output terminal 25 via a switch SW1 described below. The video output terminal 24 is connected to a video display, and the audio output terminal 25 is connected to an audio amplifier connected to a speaker system. Note that a personal computer or the like is connected to the data output terminal 26. The configuration of the digital satellite broadcast receiver described here is merely an example, and various embodiments can be applied to the present invention.

=== Configuration for Achieving Karaoke Function === In the receiver of this embodiment, as shown in FIG. 1, a CD-ROM 20 is used as an example of a disk medium on which karaoke data for a large number of songs is recorded. . Of course, DVD
And MD. In such a disk medium, MI
Karaoke data expressed in DI format is, for example, about 50
The songs have been recorded. The karaoke data includes MIDI data for controlling the synthesizer 22 to generate a synthesized sound of karaoke accompaniment music, and lyric character string data for superimposing and displaying lyrics in synchronization with the accompaniment music. Many titles of CD-ROMs 20 containing karaoke data of various songs are commercially available, and these can be freely selected and used in the receiver. The CD-ROM 20 is removably mounted on the player 21. There are also players of a type that can load a plurality of CD-ROMs at a time. If this is adopted, a larger number of karaoke data can be installed in a state where they can be immediately played.

The MIDI synthesizer 22 includes a processor, a sound source, an effector, a DA converter, etc., and performs sounds of various musical instruments specified by MIDI data stored in the CD-ROM 20 loaded in the interface circuit 21. As an analog audio signal. The system microcomputer 1 reads out the MIDI karaoke data of the designated music piece from the music pieces recorded on the CD-ROM 20 and gives it to the synthesizer 22, whereby an accompaniment sound signal of the music piece is generated.

The audio signal output from the MIDI synthesizer 22 is synthesized by the mixer 27 with the audio signal from the microphone 28. The output signal from the mixer 27 is a switch S
It is applied to the input of the switch SW1 via W2a. When the switch SW2a selects the input side and the switch SW1 selects the input side, the audio signal from the mixer 27 is led to the audio output terminal 25.

On the other hand, the on-screen display circuit 1
Reference numeral 7 combines the lyric character string developed in the video RAM 29 with the video signal from the MPEG2 decoder 16 and outputs it. When the switch SW2b selects the input side,
A video signal from the on-screen display circuit 17 is led to a video output terminal 24.

Each song recorded on the CD-ROM 20 has attributes such as a song title and an artist name,
There are also attributes that represent music genres such as enka and pops. The microcomputer 1 manages the entire attribute information of each song recorded on the CD-ROM 20 loaded in the player 21. CD- on the display of the operation panel 4
A music list recorded in the ROM 20 can be displayed, and an arbitrary music can be selected from the music list and played (details will be described later).

In this embodiment, an auxiliary audio input terminal 23 and an auxiliary video input terminal 30 for inputting a video / audio signal from an external device for reproducing a content recording medium such as an MD, a CD, a DVD, etc. are prepared. Have been. These terminals 23 and 30 are respectively connected to a switch SW2a.
And the input ′ of the switch SW2b. Whether or not these auxiliary input terminals 23 and 30 function effectively can be arbitrarily set by a user input from the operation panel 4.

=== Karaoke Operation === Karaoke Data of CD-ROM 20 is Synthesizer 22
Play and output sound. A list of songs recorded on the CD-ROM 20 is displayed on the display, and any song in the list can be selected and played.

It is assumed that a mode (broadcast mode) for receiving a broadcast program and outputting video and audio has been selected by the operation panel 4. As an audio output system in this case, the input side is selected by the switch SW1, and the MPEG2 decoder 1
The audio signal output from the audio signal output terminal 6 is output to an audio output terminal 25. At this time, it is assumed that the karaoke operation mode is selected by the operation panel 4 and an ID for designating the music to be played is input. The switch SW1 is switched to select the input side. It is checked whether the setting for enabling the auxiliary audio input terminal 23 has been made. If the setting to enable the terminal 23 has not been made, the switch SW2a
Use to select the input side.

CD-RO loaded in player 21
The karaoke data of the designated music piece is read out of the music pieces recorded in M20, and the MIDI data is sequentially input to the synthesizer 22. At the same time, the lyrics character string is drawn on the video RAM 29. The audio signal of the music played by the synthesizer 22 is synthesized with the singing voice from the microphone 28 by the mixer 27 and is output to the audio output terminal 25 via the switches SW1 and SW2. In this way, the accompaniment music and the singing voice are sounded from the speaker connected to the voice output terminal 25. In synchronization with the playback of the accompaniment music, the on-screen display circuit 17
The lyric character string developed in AM29 is converted to an MPEG2 decoder 1
6 and output to the video output terminal 24 through the switch SW2b.

When the setting for enabling the auxiliary audio input terminal 23 and the auxiliary video input terminal 30 is made,
Inputs' are selected by switches SW2a and SW2b, and audio signals and video signals from a CD or DVD player connected to terminals 23 and 30 are transmitted to switches SW2a and SW2a.
It is led to the audio output terminal 25 and the video output terminal 24 via W1 and SW2b, and the music and video are output.

==== Various Additional Functions ==== The digital satellite broadcast receiver of the present invention has various functions related to karaoke performance as described below. <<<< Animation Drawing Function for Background Image >>>> Karaoke data of each title such as a theme song of a popular animation includes graphics data for animation drawing as a background image. If the graphics data does not include lyrics character string data, the lyrics character string is drawn in the video RAM 29 and an animation is drawn based on the graphics data when the accompaniment music is reproduced. Then, the on-screen display circuit 17 only needs to synthesize the lyrics character string developed in the video RAM 29 and the animation, and output it to the video output terminal 24 through the switch SW2b.

If a lyric character string is originally included as part of the graphics data, the video RAM
An animation image developed in 29 is output to a video output terminal 24.
Output to. In this way, when an animation is output as a video, the broadcast video from the MPEG2 decoder 16 is not basically output, but the broadcast video is used as a background image for an animation character and a lyrics character string that are partially displayed on the display screen. The case is also included in the present invention.

<<<< Received Video Recording / Reproducing Function >>>> In this receiver, the video encoded data obtained by the demultiplexing circuit 15 can be recorded on the DVD 37 through the DVD player 36 and can be reproduced as appropriate. An operation input from the operation panel 4 or the remote control transmitter is received and a video being received is recorded. At the same time, the received voice may be recorded. The recorded video may be reproduced and output as an environmental video, or may be output together with the recorded audio. Of course, it can also be used as a background image when performing karaoke. It can be used as an output image even when a reception image is not obtained due to poor reception due to irregular weather. When the player 21 for playing back the disk medium storing the karaoke data is a DVD player, the above-mentioned received video recording function can be used, and the DVD player 36 in FIG. 1 can be omitted.

<<<< BGM Playback Function of Music Genre According to Reception Channel >>>> The management data recorded on the disk medium 20 storing the karaoke music, for example, the header of a CD-ROM, contains each music stored. Includes a classification code indicating the music genre of the performance data. When decoding and outputting the video coded data of the composition channel selected by the demultiplexing circuit 15 through the video output terminal 24, an operation input of a mode for automatically playing back BGM is received from the operation panel 4 or the remote control transmitter. The system microcomputer 1 acquires the genre designation code included in the received control data from the demultiplex circuit 15.
Then, the appropriate music corresponding to the classification code that matches the genre designation code is set as a reproduction target of the player 21. The reproduced music data is supplied to the synthesizer 22, and the generated audio signal is led out to the audio output terminal 25.

The music data for BGM recorded on the disk medium does not have to be for karaoke.
Alternatively, the appropriate music may be reproduced and output by the player 21 simply as BGM without receiving and outputting the satellite broadcast.

<<<< background image selection function >>>> The karaoke data of each song has a tune genre number for selecting the background image of the lyric character as a background selector. That is, each music is classified into ten types according to the music tone and atmosphere, and the classification is the music tone genre number.
In digital multi-channel satellite television broadcasting, for example, 10 karaoke video channels are supplied. Each channel is associated with ten types of tune genre numbers, and a video selected as appropriate for the tune and atmosphere of each genre is continuously broadcast on each channel for 24 hours. In the same channel, for example, images of short scenes are randomly connected and output.

As shown in FIG. 1, the receiver 12 is controlled by the system microcomputer 1 to determine a karaoke video channel. When reproducing and outputting the karaoke data of the music stored in the CD-ROM 20 as described above, the system microcomputer 1 picks up the tune genre number assigned to the karaoke data and controls the demultiplex circuit 15. To select a karaoke video channel corresponding to the tune genre number. The received video of the channel is supplied to the on-screen display circuit 17 and is output as a background of the character string of the lyrics from the video RAM 29.

<<<< Karaoke Data Receiving Function >>>> Karaoke data is appropriately distributed from a predetermined software distribution center as an acquisition route other than the CD-ROM. As a transmission medium, a telephone line or a satellite communication line is appropriately selected. When a satellite communication line is used, data is distributed in the form of data broadcasting. When a telephone line is used, it is connected to the telephone line via the network control circuit 8 and the modem 9 to receive karaoke data. The received karaoke data is stored in the hard disk device 31, for example. The storage medium may be an MD.

<<<< Table of Contents >>>> CD as described above
-There is a table of contents function of a different system from the case where the music list stored in the ROM is displayed and the performance reservation is accepted. Karaoke data stored in the hard disk device 31 is searched and reserved. In the table of contents function, first, a process of displaying a music selection candidate music list on a display connected to the video output terminal 24 is performed. This music selection candidate music list is stored in the hard disk device 31. Operation panel 4
And a remote control transmitter and a remote control receiver (not shown) are connected to the system microcomputer 1 via a user interface circuit 5 so that the user can operate the operation panel 4 or the remote control transmitter while watching the displayed music selection candidate music list. Perform various operations such as music search and performance reservation.

While the user looks at the display screen, the user searches for a desired music piece, selects a music piece, and displays various screens for accepting an operation input until a reservation is made. Specific contents of the displayed song selection candidate song list include, for example, song titles in the same order as the karaoke table of contents, genre, singer, and also the top 10 pops and enka songs. In addition, C stores a list of the latest song selection candidate tunes including a new score.
By regularly distributing the D-ROM 20, the music selection candidate music list on the hard disk device 31 is updated. In addition, a dedicated video output system that displays the song selection candidate list is provided separately from the display system of the lyrics characters and the background video, and the display of the song selection candidate list and the reception of the performance reservation are performed in parallel with the karaoke performance operation through the dedicated display. May go.

<<<< Charging Function >>>> This receiver includes a well-known prepaid coin box 32 as a charging device for collecting a karaoke usage fee from a user.
Is attached. The coin box 32 contains a microcomputer. This microcomputer is connected to the system microcomputer 1 via the charging interface 33, and operates in response to a command from the system microcomputer 1. According to the execution of the karaoke performance, the money inserted in the coin box 32 in advance is obtained.

The charging operation is performed under the control of the system microcomputer 1. For example, upon receiving a designated input of a music piece to be played, the microcomputer in the coin box 32 is inquired about the balance and is obtained. Then, the usage amount for one song is subtracted from the balance to check whether a necessary balance exists. If there is no balance, a message prompting the user to insert money into the coin box 32 is displayed on the display and waits until a necessary balance is obtained. If there is a necessary balance, the reception of the performance reservation is started.

After the reception processing, when the karaoke performance is started, the data of the corresponding usage amount is sent to the coin box 32 as the collection amount. The coin box 32 subtracts the collected amount from the current balance to obtain a new balance. When money is inserted by the user, the amount of the money is added to the current balance.

In addition to the coin box, a time charging system, a credit card, an I
An appropriate card such as a C card and a reader / writer for a prepaid card can be adopted. When the operation of the billing device is to be stopped for home use, it can be set with a predetermined dip switch or operation panel 4.

<<< Dimming Function >>>> This digital satellite broadcast receiver is provided with a plurality of lighting fixtures 34 for producing an effect in a karaoke performance. The driving of each lighting device 34 is controlled by the system microcomputer 1 via the lighting interface 35 in synchronization with the reproduction of the accompaniment music. The karaoke data of each song includes each lighting fixture 34
Is included in the MIDI format. The lighting control code for each song is patterned to control each lighting fixture in synchronization with the progress of the accompaniment music, and specifies the lighting color and blink timing in chronological order according to the atmosphere of each song. ing.

When the dimming function is not required, it can be set on a dip switch or the operation panel 4. In addition, the lighting interface 34 is a unit type, and the unit can be automatically inserted into or removed from an expansion slot provided in a digital satellite broadcast receiver to automatically enable or disable the dimming function.

[0045]

The accompaniment music to be played is digital karaoke data such as MIDI format on a disk medium such as a CD, DVD or MD, and karaoke data of a large number of music pieces are recorded on one disk medium. A disc medium of a large number of titles containing various karaoke data can be arbitrarily selected and removably loaded into the receiver. That is, there is no need to combine a separate karaoke device and a digital satellite broadcast receiver again. If the digital satellite broadcast receiver according to the present invention is prepared alone, normal satellite broadcasting and karaoke performance can both be enjoyed. In addition, various broadcast videos can be used as background images for karaoke. Eliminates the need to incorporate a large laser disc changer dedicated to karaoke video. Further, a display and a speaker connected to the digital satellite broadcast receiver can be used for karaoke performance. In other words, since no karaoke apparatus is separately prepared, extra purchase costs are not increased and the price can be reduced. In addition, the space can be reduced and the karaoke apparatus can be introduced even in a small shop.

When the karaoke data includes graphics data for drawing an animation,
An animation can be output as a background image along with the lyrics. Further, when the disc medium reproduced by the disc drive is capable of recording the video encoded data obtained by the demultiplexing circuit system, the received video is appropriately reproduced to obtain an environment video and a background of a karaoke performance. Available for pictures. Furthermore, during the output of the received video signal, when the music corresponding to the genre designating code included in the received control data is output as sound for reproduction by the disk drive, for example, the received video such as an environmental video The most suitable music can be reproduced from the disk medium and output to the outside.

In addition, when the karaoke data transmitted in a timely manner via the communication medium is stored in an appropriate storage means, compared with the case where the karaoke data is supplied by a CD-ROM,
Karaoke data can be automatically acquired with almost no manual intervention. In the case where a charging device is attached and the fee is collected in accordance with the performance of the karaoke accompaniment music, the labor of collecting the fee by hand can be omitted. If there is provided a means for displaying a song name as a song selection candidate to the user and a search reservation means including an operation input means for the user to input search conditions and music identification, This eliminates the need for the user to open the table of contents and select songs, and does not have to arrange the table of contents on the side of the apparatus. When an audio signal and a video signal of an external device such as a DVD player are input and output to the outside, the input audio signal and the video signal can be directly output to a display or a speaker, and can be used for karaoke performance.

An appropriately set background selector is attached to the karaoke data of each song, and a received image of a channel corresponding to the background selector is selected from among the received multi-channel digital broadcasts. In the case where a background processing unit is provided for supplying to the image synthesizing output unit, a background video suitable for the karaoke music to be played can be selected from digital broadcast and output. Since the video is broadcasted from an external broadcast station, a different fresh video can be expected each time, and the same video can be prevented from being tired of being reproduced. A lighting control unit for controlling a plurality of lighting fixtures, and a digital lighting control code synchronized with the progress of the karaoke accompaniment music, such as a blinking timing and a designation of a lighting color in each of the lighting fixtures, is used for the karaoke for each music. If it is included in the data, dimming suitable for each music piece can be realized, and the effect of production can be enhanced.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a digital satellite broadcast receiver according to one embodiment of the present invention.

[Explanation of symbols]

Reference Signs List 1 system microcomputer (system control unit) 2 ROM 3 RAM 4 operation panel 5 user interface circuit 6 IC card 7 IC card interface circuit 8 network control circuit 9 modem 10 antenna 11 tuner 12 demodulation circuit 15 demultiplexer circuit 16 MPEG2 decoder 17 on-screen Display circuit 20 CD-ROM 21 CD-ROM player (disk drive) 22 MIDI synthesizer 23 Auxiliary audio input terminal 25 Audio output terminal 26 Data output terminal 27 Mixer 28 Microphone 29 Video RAM 30 Auxiliary video signal input terminal 31 Hard disk device 32 Coin box 33 Billing Interface 34 Lighting Fixture 35 Lighting Interface 36 DVD Player (Disk Drive) 37 DVD S W1, SW2 switch

Claims (10)

[Claims] 1. A demodulation circuit system for appropriately selecting a transmission channel from an antenna input and extracting a received data stream, and a video data and audio coded data for controlling encoded video data and audio data by appropriately selecting a composition channel from the received data stream. A demultiplexing circuit for separating data and the like, a video decoding circuit for decoding the video encoded data, an audio decoding circuit for decoding the audio encoded data, and an operation input from a user User interface circuit system that receives the data, a system control unit that controls these units, a disk drive that reproduces digital data on a disk medium such as a CD, DVD, or MD, and a user input provided to the user interface circuit system. The digital format color of the designated song read by the disk drive A synthesizer for generating accompaniment music based on orch data, a switching circuit system for selectively leading an audio signal from the audio decoding circuit system and an analog audio signal from the synthesizer to an audio output terminal for an external device, A digital satellite broadcast comprising: image combining output means for outputting an image obtained by adding a character string of lyrics to a decoded video from the video decoding circuit system based on karaoke data to a video output terminal for an external device. Receiving machine. 2. The digital satellite broadcast receiver according to claim 1, wherein said karaoke data includes graphics data for drawing an animation, and said graphics data is generated when said synthesizer generates said accompaniment music. An image drawn together with the lyric character string based on data is derived to the video output terminal for the external device. 3. The digital satellite broadcast receiver according to claim 1, wherein data obtained by said demultiplexing circuit system can be recorded on a predetermined disk medium set in said disk drive. It is characterized by the following. 4. The digital satellite broadcast receiver according to claim 1, wherein the management data recorded in a header of the disk medium includes a classification code indicating a music genre of each music piece. The control data of the knitting channel according to the user input given to the user interface system during decoding and outputting of the video coded data in the knitting channel selected by the demultiplexing circuit system. The music corresponding to the classification code matching the genre designation code included in the external device is set as a reproduction target of the disc drive, and the music generated by the synthesizer based on the karaoke data of the music is changed by the switching circuit system to the external device. It is derived to a voice output terminal intended for. 5. The digital satellite broadcast receiver according to claim 1, wherein said karaoke data transmitted timely via a communication medium is stored in an appropriate storage means. And 6. The digital satellite broadcast receiver according to claim 1, further comprising a charging device, wherein a fee is charged according to execution of the performance of the karaoke accompaniment music. . 7. A digital satellite broadcast receiver according to claim 1, wherein a means for displaying a music name as a music selection candidate to a user, and a search condition operated by the user. And a search reservation unit including an operation input unit for inputting music and music identification, read out a music selection candidate music list from an appropriate storage unit, and use the music list as a part of music selection candidate data handled by the search reservation unit, It is characterized in that reserved songs are played in order. 8. The digital satellite broadcast receiver according to claim 1, wherein an auxiliary input terminal for inputting audio and video signals output from an external device such as a CD, DVD, and MD player. Is provided, and the signals obtained through the input terminals are led out to the audio output terminal and the video output terminal, respectively. 9. The digital satellite broadcast receiver according to claim 1, wherein the karaoke data of each of the music pieces has an appropriately set background selector attached thereto. Background processing means for selecting a received image of a channel corresponding to the background selector from multi-channel digital broadcasting and supplying the selected image to the video decoding circuit system. The background selector of the karaoke data is picked up and given to the background processing means. 10. The digital satellite broadcast receiver according to claim 1, further comprising lighting control means for controlling a plurality of lighting fixtures, wherein a blink timing and a lighting color of each of the lighting fixtures are controlled. A lighting control code in a digital format corresponding to the progress of the karaoke accompaniment music, such as designation, is included in the karaoke data for each song, and the lighting control code is synchronized with the reproduction process of the karaoke accompaniment music. It is provided to control means.