JP3876043B2 - Online karaoke system using cable TV network - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a communication karaoke system that obtains video data as a background of karaoke using a cable television network.
[0002]
[Prior art]
The online karaoke device plays the melody of the requested song from the speaker, and the display device displays the scenery and background images (BGV images) that match the lyrics and songs, and displays the words of the lyrics as characters. Superimposing on the device.
The requested music is sent from the database host base station ahead of the public line or ISDN line each time.
On the other hand, for the background video, a still image (steel image) is received from the host base station via a public line, or an LD player installed in a karaoke store is used, and a song is recorded from the laser disk (LD board) provided. An image suitable for the image is selected and read out on the program and displayed.
[0003]
[Problems to be solved by the invention]
Conventional BGV video only allows still images to reduce costs.
In addition, BGV video when using an LD board, CD-ROM, VideoCD, etc. is limited in terms of space and cost in the store for the LD board etc., so the number of scene videos is less than the number of songs. There was a problem that the same video came out in another request song, and it got tired of appearance.
In the CATV karaoke service, since one song occupies 1CH, services such as real-time on-demand are impossible.
An object of the present invention is to display as many BGV videos as possible in response to changes in music.
[0004]
The present invention is a system that uses a cable television network 1 comprising a cable television broadcast network 2 and a cable television telephone network 3, and is provided at one end of the cable television telephone network 3. A plurality of telephones 16 and the karaoke terminal 4 are connected to the music database 5 at the other end, and the cable TV-use telephone network 3 includes an exchange to selectively connect the telephones to each other to make a call. Each communication karaoke terminal 4 is connected to the music database 5, a television device 6 can be connected to the communication karaoke terminal 4, and a set-top box of a number of receiving terminals is connected to one end of the cable television broadcasting network 2. 9 is connected to a cable broadcasting station 10 for transmission at the other end, and the set top box 9 is close to the communication karaoke terminal 4 and the television device 6. The music data in the music database 5 is composed of MIDI data and lyric data as a set, and the cable broadcasting station 10 includes a plurality of broadcasting stations 11 and a plurality of background images. The communication karaoke terminal 4 is connected to the music database 5 and receives MIDI data and lyric data, and a performance tune sounds from the speaker 8 of the television device 6 and the lyric data is displayed on the display unit 7. The set-top box is provided with a light receiving unit 25 that receives infrared rays and converts them into electrical signals. Channel switching is performed by infrared rays from a channel remote controller 15 to selectively select one of the cable broadcasting stations 10. In a communication karaoke system using a cable television network in which channels are displayed on the television device 6, the song data The base of the music data is composed of a genre code showing an image of the lyric data and the music and the MIDI data,
The plurality of background image stations 12 are distinguished corresponding to the genre code, the channel remote controller 15 is provided with a character key K for designating the genre code, and the music karaoke terminal receives the music received from the music database. A cable for transmitting the genre code of data to the outside is provided, and a light emitting element 24 that is held by an elastic suction cup and converts the genre code into an infrared signal is provided at the end of the cable. Affixed with the elastic suction cup 26 in the previous period so as to overlap the light receiving unit 25,
The genre code is transmitted to the set top box via the cable, the light emitting element 24, and the light receiving unit 25, and the set top box selects a background image station according to the genre code and matches the genre of the requested song. A background image is displayed on a television device.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described as a communication karaoke system on a cable television network.
In FIG. 1, a cable television network 1 is composed of an original cable television broadcast network 2 and a cable television-utilizing telephone network 3 that has been put to practical use later for a low fee. A general telephone 16, a karaoke terminal 4, and a music database 5 are connected to the use telephone network 3.
There are as many telephones 16 as there are telephone subscribers, and karaoke terminals 4 are as many as there are purchasers, and a relatively large number of music databases 5 are provided in a wide area.
[0006]
Although not shown, the cable television telephone network 3 is provided with an exchange to selectively connect ordinary telephones to each other to make a call.
The communication karaoke terminal 4 corresponds to a commercially available media box X-55 or the like, and is selectively connected to the music database 5 by the cable television using telephone network 3 in the same manner as the telephone 16.
[0007]
A television apparatus 6 is always connected to the communication karaoke terminal 4, and during operation, a performance song for karaoke sounds from the speaker 8, and a background image is displayed on the display unit 7.
The cable television broadcasting network 2 is connected to a set-top box 9 of a large number of receiving terminals and a wired broadcasting station 10 for transmission.
The set top boxes 9 for receiving movies and the like are as many as cable TV subscribers and occupy a large number, and the cable broadcasting station 10 is provided in one place in a wide area.
[0008]
The cable broadcasting station 10 is composed of, for example, about 100 private broadcasting stations 11 and a plurality of background image stations 12, and these are broadcast on the cable television broadcasting network 2 in parallel at all times with different channels. .
An administrator of the cable television network 1 manages both the music database 5 and the cable broadcasting station 10.
In the embodiment, in FIG. 2, the same cable television subscriber is also a telephone subscriber of the cable television using telephone network 3, and the communication karaoke terminal 4, the television set 6 and the set top are located close to each other in the same room. A box 9 is arranged.
[0009]
The communication karaoke terminal 4 is controlled by the remote controller 13, a song request is input, the microphone 14 is connected to the communication karaoke terminal 4, and the singer sings toward the microphone 14.
The set top box 9 is also controlled by a dedicated channel remote controller 15 to perform channel switching.
The remote controller 13 and the channel remote controller 15 control the communication karaoke terminal 4 and the set top box 9 by infrared rays.
[0010]
Now, the music data in the music database 5 is composed of MIDI data, lyrics data and genre code as a set.
The genre code is obtained by classifying song data in advance according to its type, for example, enka, pop, folk, new music, and the like.
For example, if the song is “Night Wind of Journey”, the code K indicating enka, H if it is “Nyari Nari” of Hops, F if it is “Kanda River” of folk, and G code if it is “Gari Gari” of new music, respectively. Has been granted.
[0011]
The set-top box 9 also has a dedicated channel remote controller 15 that has numeric keys 1, 2, 3,... For broadcasting, and character keys K, H, F, G, etc. for code channels. Similarly, it is possible to switch the selection of the background image according to the genre of music.
The background image station 12 includes various types of moving image data corresponding to each genre code K, H, F, G, etc., and constantly broadcasts moving images corresponding to the genre codes K, H, F, G, etc.
[0012]
In FIG. 2, an external terminal 21 is provided on the back of the communication karaoke terminal 4, and an interface card 22 is connected to the external terminal 21.
A signal cable 23 extends from the interface card 22, and a light emitting element 24 is connected to the tip of the signal cable 23.
[0013]
A light receiving unit 25 is provided in front of the set top box 9 and receives an infrared signal from the channel remote controller 15.
The light emitting element 24 of the signal cable 23 is attached to the surface by an elastic suction cup 26 so as to overlap the light receiving portion 25 of the set top box 9 (indicated by an arrow and a broken line in FIG. 2).
The external terminal 21, the interface card 22, the cable 23, the light emitting element 24, and the elastic suction cup 26 constitute a signal transmission means 27.
[0014]
In FIG. 3, the elastic suction cup 26 is transparent, the area of the elastic suction cup 26 is larger than the area of the light receiving part 25, and the area of the light receiving part 25 is larger than the area of the light emitting element 24.
An infrared signal (indicated by a dotted line) from the channel remote controller 15 can pass through the elastic suction cup 26 outside the light emitting element 24 and enter the light receiving unit 25.
[0015]
When the communication karaoke terminal 4 receives the genre code together with the MIDI data etc. from the cable television using telephone network 2, it outputs the corresponding code signal K etc. from the interface card 22 to the signal cable 23 via the external terminal 21.
The light emitting element 24 generates an infrared signal based on the code signal K and the like, and this infrared signal is applied to the light receiving unit 25 facing the light emitting element 24.
The infrared signal (displayed by a solid line) from the light emitting element 24 is the same quality as the infrared signal from the channel remote controller 15 and controls the set top box 9 to switch the genre code.
[0016]
Now, when the user of the communication karaoke terminal 4 uses 13 to request a desired song (send the song number), the communication karaoke terminal 4 causes the cable TV network 1 of the cable TV network 1 to use the cable TV telephone network. 2 to the song database 5.
Then, the MIDI data, the lyrics data, and the genre code of the requested song are sent to the communication karaoke terminal 4 via the cable television telephone network 2.
[0017]
At the communication karaoke terminal 4, the MIDI data is decompressed and the lyrics data is converted into text and sent to the television device 6.
Next, the decompressed MIDI data starts playing the music from the speaker 8.
Further, since the communication karaoke terminal 4 receives the genre code from the cable television using telephone network 2, the corresponding code signal K and the like are output from the interface card 22 to the signal cable 23 through the external terminal 21.
[0018]
The light emitting element 24 generates an infrared signal by the code signal K or the like, and the infrared signal is irradiated to the light receiving unit 25.
The infrared signal from the light emitting element 24 controls the set top box 9 to select the background image station 12 corresponding to the genre code.
[0019]
Since the background image station 12 is always broadcast on the cable television broadcasting network 3, the set top box 9 selects and receives a background image corresponding to the genre code of the requested song.
A background image that matches the scene of the performance song is sent to the television device 6 and displayed on the display unit 7, so that the user can sing happily.
[0020]
In order, after the MIDI data of the song data, the lyrics data, and the genre code arrive from the music database 5, a background image corresponding to the genre code is received from the background image station 12 of the cable broadcasting station 10, but the MIDI data is decompressed. Since the performance is performed at the speed of human sense, the display of the background image on the display unit 7 and the performance from the speaker 8 are performed almost simultaneously in the electronic operation.
[0021]
【The invention's effect】
As described above, according to the present invention, a karaoke service with a background image suitable for an image can be provided in an abundantly simple and low-cost manner using an urban CATV network (subscribers: 3 million). realizable.
Since the LD board is not stocked in large quantities, the space is saved, and the cost is minimized while the BGV video increases.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram of a communication karaoke system using a cable television network of the present invention.
FIG. 2 is a perspective view of a main part of a communication karaoke system using the cable TV network of the present invention.
FIG. 3 is a more detailed configuration diagram of the communication karaoke system using the cable television network of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cable television network 2 Cable television broadcasting network 3 Cable television telephone network 4 Karaoke terminal 5 Music database 6 Television apparatus 7 Display part 8 Speaker 9 Set top box 10 Cable broadcasting station 11 Private broadcasting station 12 Background image Station 13 Remote control 14 Microphone 15 Channel remote control 16 Telephone 21 External terminal 22 Interface card 23 Signal cable 24 Light emitting element 25 Light receiving part 26 Elastic sucker 27 Signal transmission means

Claims (1)

A system using a cable television network comprising a cable television broadcast network and a cable television telephone network,
A plurality of telephones and a karaoke terminal are connected to one end of the cable TV telephone network, and a music database is connected to the other end. The cable TV telephone network includes an exchange and selectively selects the telephones. And connected to each communication karaoke terminal to the music database, the communication karaoke terminal can be connected to a television device,
A set-top box of a number of receiving terminals is connected to one end of the cable television broadcasting network, and a cable broadcasting station for transmission is connected to the other end, and the set-top box includes the communication karaoke terminal and the television set. Are located close to each other and connected to this television set,
The music data of the music database is composed of MIDI data and lyric data as a set thereof, and the cable broadcasting station is composed of a plurality of broadcasting stations and a plurality of background image stations,
Each communication karaoke terminal is connected to the music database, receives MIDI data and lyric data, and the performance tune sounds from the speaker of the television device, and the lyric data is displayed on the display unit,
The set-top box is provided with a light receiving unit that receives infrared rays and converts them into electrical signals. Channel switching is performed by infrared rays from a channel remote controller, and one channel of the cable broadcasting station is selectively displayed on the television set. In the communication karaoke system using the cable TV network
The music data of the music database is composed of the MIDI data, the lyrics data, and a genre code indicating an image of the music,
The plurality of background image stations are distinguished corresponding to the genre code, and the channel remote controller includes a character key for designating the genre code,
The communication karaoke terminal is provided with a cable that transmits the genre code of the music data received from the music database to the outside, and a light emitting element that is held by an elastic suction cup and converts the genre code into an infrared signal at the end of the cable. Provided by pasting the light emitting element with the elastic sucker so as to overlap the light receiving part of the set top box,
The genre code is transmitted to the set top box via the cable, the light emitting element, and the light receiving unit, and the set top box selects a background image station according to the genre code, and a background image that matches the genre of the requested song Is a communication karaoke system using a cable TV network.

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