JP3891900B2 - Communication karaoke system, communication karaoke terminal device, and program used for communication karaoke terminal device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a communication karaoke system, a communication karaoke terminal device, and a program used for a communication karaoke terminal device.
[0002]
[Prior art]
In the case of a general storage type for commercial communication karaoke, music data such as a MIDI file acquired by communication is stored in a storage device of the main body, and a background image and lyrics are synthesized and displayed during performance.
[0003]
Ideally, this background image should be associated one-to-one, but it is a storage-type commercial communication karaoke terminal device installed in a karaoke box or snack, etc., and all the music should have an image that corresponds to the entire image. Since it is impossible due to the problem of the capacity of the storage device, a method is adopted in which a plurality of genre-specific video data are prepared and a genre suitable for the song is selected.
[0004]
As the Internet becomes broadband, streaming distribution that plays while downloading is becoming popular as an on-demand music / video distribution method. By adopting broadband, it will be possible to download and play music and videos that match the music from a center with a large recording capacity in real time.
[0005]
[Problems to be solved by the invention]
However, the spread of broadband networks is still a transitional period, and there are still many areas where the spread is delayed, and even in areas where the spread is progressing, there are still problems with the reliability and stability of the network. is there. Therefore, if a network failure occurs, it may be impossible to play karaoke.
[0006]
In addition, with the widespread use of broadband networks, broadband network compatible online karaoke terminal devices are expected to become mainstream. However, as a manufacturer, it is not possible to have two types of broadband karaoke terminal devices compatible with broadband networks. However, since there is a lot of waste in terms of cost, it is advantageous to have a system that can be introduced even in areas where broadbandization is delayed.
[0007]
The present invention has been made in view of the above circumstances, and is a storage-type communication karaoke terminal device, but also supports a broadband network, and a communication karaoke terminal device capable of performing karaoke performance that matches music and video. The purpose is to provide.
[0008]
[Means for Solving the Problems]
The communication karaoke system according to the first aspect of the present invention comprises a center device that distributes karaoke data, and a communication karaoke terminal device that is connected to the center device via a network and stores at least index information of the karaoke data. In the communication karaoke system, the index information includes a network priority flag indicating whether or not to perform karaoke performance with network priority, and when the communication karaoke terminal apparatus receives a karaoke performance request, the network priority Based on the flag, when priority is given to the network, the center device is requested to perform streaming reproduction of karaoke data.
[0009]
In the communication karaoke system according to a second aspect of the present invention, in the first aspect, the karaoke data is composed of music information and background video information, and the network priority flag is assigned to each of the music information and background video information. It is characterized by.
[0010]
A communication karaoke terminal device according to a third aspect of the present invention is a communication karaoke terminal device that is connected to a center device that distributes karaoke data via a network and stores at least index information of the karaoke data. Includes a network priority flag indicating whether or not to perform karaoke performance with network priority. When a karaoke performance request is received, karaoke data is transmitted to the center device in the case of network priority based on the network priority flag. It is characterized by requesting the streaming reproduction.
[0011]
A communication karaoke terminal device according to a fourth aspect of the present invention is a communication karaoke terminal device that is connected to a center device that distributes karaoke data via a network and stores at least index information of the karaoke data. Includes a network priority flag indicating whether or not to perform the karaoke performance with network priority. When a karaoke performance request is received, the network priority is stored in the communication karaoke terminal device based on the network priority flag. The reproduced karaoke data is reproduced.
[0012]
A program used for the communication karaoke terminal device according to the fifth aspect of the present invention is connected to a center device that distributes karaoke data via a network, and is used for a communication karaoke terminal device that stores at least index information of the karaoke data. The program includes a network priority flag indicating whether or not to perform karaoke performance with network priority in the index information, and when receiving a karaoke performance request, the network priority is based on the network priority flag. Requesting the center device to perform streaming reproduction of karaoke data.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals and description thereof will not be repeated.
[0014]
FIG. 1 shows a system configuration diagram of the communication karaoke system of the present invention. The center device 11 holds and manages karaoke data such as music information, lyrics information, and background video information, and is a communication karaoke installed in a store such as a karaoke box via a broadband transmission line 13 such as the Internet. Karaoke data is supplied to the terminal device 12.
[0015]
FIG. 2 is a flowchart showing a flow from reservation of a song to performance. When a user inputs a music number to the online karaoke terminal apparatus 12 by using a remote controller or the like and reserves a music (step 1, hereinafter, step is abbreviated as S. The same applies to the drawings) to play the music. Preparation (S2) and preparation of a background image to be displayed (S3). Thereafter, performance is started automatically or manually (S4). During performance, music performance (S4), lyric display (color change) (S5), and video reproduction (S6) are executed simultaneously.
[0016]
When the performance is completed, if there is a next reserved music, the process proceeds to preparation of the next music (S7), and if not, the process shifts to a reservation waiting state.
[0017]
In the music preparation in step 2, the music is stored in advance in the storage device in the communication karaoke terminal device 12, or in the case of downloading from the server (center device 11) via the network. (3) There are three types of streaming playback via the network. In this embodiment, the music is prepared according to the music preparation flowchart shown in FIG.
[0018]
When a song is reserved, first, the presence or absence of the corresponding song is searched from the song database (local index) held in the communication karaoke terminal apparatus 12 using the song number of the reserved song as a key (S301). The music database includes a music ID, (video ID), presence / absence of a local file (performance music data file and background video data file stored in the communication karaoke terminal device 12), network priority flag (song, and / or Various flags such as a flag indicating whether the video is reproduced using the data file stored in the communication karaoke terminal device 12 or downloaded from the center device 11 via the network, or the genre information of the music Contains information.
[0019]
When the information of the corresponding music is not in the database (S302), the center apparatus 11 is inquired via the network 13 (NW) (S303). If there is no information about the corresponding song in the database on the center apparatus 11 (S304), a message indicating that there is no corresponding song is displayed, and the process is terminated (S305).
[0020]
In S302, if there is a corresponding song, the network priority flag of the song information acquired from the database is checked (S306), and if not, the presence of a local file is checked (S307). If the network is prioritized, it is checked whether the network is valid (whether download or streaming playback is possible) (S308), and if OK, if the music data on the network is in the MIDI format (S309), the music data is downloaded. Is performed (S310), and then reproduction preparation processing of the stored music is performed (S314). In S309, if it is a streaming format, a reproduction preparation process for streaming is performed (S311).
[0021]
If it is determined in S308 that the network is not valid, the presence of a local file is checked (S312). If there is no information about the corresponding song, a message indicating that there is no corresponding song is displayed and the process is terminated. (S313). If there is a local file in S307 and S312, preparation for music performance is made based on the accumulated data (S314).
[0022]
As for the background video, (1) if it is stored in advance in the storage device in the communication karaoke terminal device 12, (2) if it is downloaded from the server (center device 11) via the network, (3) if the network is In the present embodiment, a background video is prepared according to the video preparation flowchart of S3 shown in FIG.
[0023]
First, in S401, a local index search is performed, and the obtained music database is checked. The database includes information such as a video ID, the presence / absence of a local file, a network priority flag, and a genre. Then, it is checked whether a video ID is specified in the database (S402). If the video ID is not designated, the video ID of the background video is determined based on the genre information of the music (S403).
[0024]
Next, it is checked whether or not the video information specified by the video ID exists in the local file (S404). If the information does not exist in the local file, the information is sent to the center device 11 via the network (NW). The presence / absence of video information is inquired (S405). If there is no corresponding video information in the database on the center device 11 (S406), the video ID is determined from the genre information of the corresponding song (S403).
[0025]
In S404 and S406, if there is the corresponding video information, the network priority flag of the video information acquired from the database is checked (S407), and if not the network priority, the presence of a local file is checked (S408). If the network is prioritized, it is checked whether the network is valid (S409). If the network is valid, a streaming reproduction preparation process is performed if the network is valid (S410). On the other hand, if the network is invalid, the presence / absence of a local file is checked (S411). If there is a local file in S408 and S411, a reproduction preparation process for the stored video is performed (S412).
[0026]
When the preparation processing for each of the music and the video ends, the reproduction of the music and the video starts automatically or by pressing the performance start button. Usually, in the case of video prepared for each genre, synchronization with music is not necessary, but for music with choreography or video in which an artist is singing the music, the music and video need to be synchronized.
[0027]
In this embodiment, for the video that needs to be synchronized with the music, it has time stamp information indicating when a specific frame in the video is played, separately from the video data. Control synchronization.
[0028]
According to the present embodiment, storage and streaming can be combined for music and video according to the music type. For example, normally music is network-prioritized, video is set to network-priority, music stored in the communication karaoke terminal device 12 such as MIDI data and streaming background video are played, and music such as choreography and lip sync is supported. For songs with special video, both music and video are streamed with network priority, for songs with low access frequency, there is no local file, network priority is set, music data is downloaded from the network after receiving a reservation, etc. Can be considered.
[0029]
Further, in the case of a network failure or the like, the music stored automatically may be played even if the network priority is set.
[0030]
The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description of the embodiments but by the scope of claims for patent, and is intended to include meanings equivalent to the scope of claims for patent and all modifications within the scope.
[0031]
【The invention's effect】
As described above, according to the present invention, a communication karaoke system and a communication karaoke terminal apparatus capable of performing a karaoke performance in which music and video are matched in correspondence with a broadband network while being a storage type communication karaoke terminal apparatus. And the program used for a communication karaoke terminal device can be provided.
[Brief description of the drawings]
FIG. 1 is a system configuration diagram of a communication karaoke system showing an embodiment of the present invention.
FIG. 2 is a flowchart showing a flow from music reservation to performance in the communication karaoke terminal apparatus 12 according to an embodiment of the present invention.
FIG. 3 is a flowchart showing a flow of music preparation according to an embodiment of the present invention.
FIG. 4 is a flowchart showing a flow of image preparation according to an embodiment of the present invention.
10 communication karaoke system 11 center device 12 communication karaoke terminal device 13 transmission path

Claims (5)

A communication karaoke system comprising a center device that distributes karaoke data, and a communication karaoke terminal device that is connected to the center device via a network and stores at least index information of the karaoke data,
The index information includes a network priority flag indicating whether or not to perform karaoke performance with network priority,
The communication karaoke terminal device requests streaming playback of karaoke data from the center device in the case of network priority based on the network priority flag when receiving the karaoke performance request. system. 2. The communication karaoke system according to claim 1, wherein the karaoke data includes music information and background video information, and the network priority flag is assigned to each of the music information and the background video information. A communication karaoke terminal device that is connected via a network with a center device that distributes karaoke data and stores at least index information of the karaoke data,
The index information includes a network priority flag indicating whether or not to perform karaoke performance with network priority,
A communication karaoke apparatus which requests streaming playback of karaoke data from the center apparatus when network priority is given based on the network priority flag when a karaoke performance request is received. A communication karaoke terminal device that is connected via a network with a center device that distributes karaoke data and stores at least index information of the karaoke data,
The index information includes a network priority flag indicating whether or not to perform karaoke performance with network priority,
A communication karaoke apparatus which, when receiving a karaoke performance request, reproduces karaoke data stored in the communication karaoke terminal apparatus based on the network priority flag if the network priority is not given. A program used for a communication karaoke terminal device that is connected via a network to a center device that distributes karaoke data and stores at least index information of the karaoke data,
The index information includes a network priority flag indicating whether or not to perform karaoke performance with network priority,
A program used for a communication karaoke apparatus, which, when receiving a karaoke performance request, requests streaming playback of karaoke data from the center apparatus in the case of network priority based on the network priority flag.

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