Music – Instruments – Electrical musical tone generation
Patent
1996-10-29
1998-10-20
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84477R, 434307A, G09B 500, G09B 1504, G10H 126
Patent
active
058249346
ABSTRACT:
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.
REFERENCES:
patent: 5252775 (1993-10-01), Urano
patent: 5464946 (1995-11-01), Lewis
patent: 5489103 (1996-02-01), Okamoto
patent: 5496178 (1996-03-01), Back
patent: 5532923 (1996-07-01), Sone
patent: 5589947 (1996-12-01), Sato et al.
patent: 5631433 (1997-05-01), Iida et al.
Murai Yuichi
Semba Youji
Tsurumi Kanehisa
Witkowski Stanley J.
Yamaha Corporation
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