 Terabit per second packet switch |
| Referring now to FIG. 2, a large, generalized switch 10 for ATM communications, is shown in block ... |
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| Telephone mouthpiece cover |
| Accordingly, the primary object of the present invention is to provide a telephone mouthpiece cover ... |
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| Compact electroacoustical transducer with spider covering rear basket opening |
| What is claimed is: 1. A loudspeaker comprising, motor means for responding to an input electrical ... |
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| Scrambled TV-IF signal transmission system |
| In view of the foregoing, a principal object of the present invention is a cable TV signal ... |
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| Digital audio waveform display on a video waveform display instrument |
| Accordingly the present invention provides a digital audio waveform display on a digital video ... |
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| TV line and field detection apparatus with good noise immunity |
| In regard to the following detailed description of an embodiment of the invention that is shown in ... |
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| Multilayered end bearing |
| Accordingly, in view of the above background, an object of the present invention is to provide an ... |
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| Representing a video signal upon the picture screen of a video display device |
| We claim: 1. A method of displaying a selected portion of a video signal upon the picture screen of ... |
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Karaoke system including host apparatus that downloads information file based on list of necessary information files
| Details |
Inventors: Tsurumi, Kanehisa; Semba, Youji; Murai, Yuichi;
Assignee: Yamaha Corporation (Hamamatsu, JP)
Primary Examiner: Witkowski; Stanley J.
Assistant Examiner:
Attorney, Agent or Firm: Pillsbury Madison & Sutro LLP
A host apparatus stores all of music-piece files and information files, and also stores lists information files (information file lists) required for a plurality of areas where communication karaoke apparatuses are located. When music-piece files are downloaded to a communication karaoke apparatus, information files are simultaneously downloaded. Information files required for the area are determined based on the area where the communication karaoke apparatus is located, and only the necessary information files are downloaded together with the music-piece files. As a result, the operation efficiency and the communication efficiency can be enhanced. At this time, a list of information files stored in the communication karaoke apparatus is requested, and only difference information files are downloaded so that the efficiencies can be further enhanced. |
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DETAILED DESCRIPTION It is an object of the invention to provide a host apparatus for a communication karaoke apparatus in which necessary information file lists for respective areas are prepared, and information files are downloaded to each communication karaoke apparatus based on the list of the information files, thereby eliminating the waste communication.
It is also an object of the invention to provide a method of editing a download file.
According to the present invention, there is provided a host apparatus for a communication karaoke apparatus which downloads a music-piece file for performing a karaoke performance by driving musical sound synthesizing means and image synthesizing means, and an information file for displaying various kinds of information by driving the musical sound synthesizing means and the image synthesizing means, to a plurality of communication karaoke apparatuses, wherein the host apparatus comprises: information file list storing means for storing a list of necessary information files for each of communication karaoke apparatuses or for each of areas where communication karaoke apparatuses are located; means for, when a music-piece file is downloaded to a communication karaoke apparatus, extracting an information file which is to be downloaded, based on a list of information files corresponding to the communication karaoke apparatus; and means for downloading the extracted information file together with the music-piece file.
According to the present invention, there is provided a method of editing a download file in a method of downloading a music-piece file for performing a karaoke performance by driving musical sound synthesizing means and image synthesizing means, and an information file for displaying various kinds of information during an intermission of the karaoke performance by driving the musical sound synthesizing means and the image synthesizing means, to a plurality of communication karaoke apparatuses, wherein lists of necessary information files are stored respectively for a plurality of areas, and when a music-piece file is downloaded to a communication karaoke apparatus, an information file which is to be downloaded is extracted based on a list of information files corresponding to the communication karaoke apparatus, and the extracted information file is downloaded together with the music-piece file
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Television 
