Karaoke system

A technology of correspondence and files, applied in the direction of sound-producing equipment, instruments, recording information storage, etc., can solve the problems of not being able to store too many songs on the same disc, not being direct and natural, and difficult data protection.

Active Publication Date: 2007-03-14
MEDIATEK INC +1
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, currently limited by the capacity of the DVD disc, if the original audio files of the songs are stored, too many songs cannot be stored on the same disc; Not direct and natural enough, and at the same time, there are many restrictions when choosing songs
And, if every music video (Music TV, MTV) is all stored on the DVD disc, then the number of tunes that can be stored is very few
[0003] In addition, in terms of intellectual property protection, nowadays, the entire disk is mostly handled in a way of preventing copying, but there is a lack of protection for individual files.
If the copy protection method is cracked, the protection of all data on the disc becomes very difficult

Method used

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Embodiment Construction

[0016] Referring to FIG. 1, FIG. 1 is a schematic diagram according to a preferred embodiment of the present invention. The karaoke system 1 of the present invention includes an optical information storage medium 12 and a playback device 14 . The optical information storage medium 12 stores a plurality of encrypted audio files, at least one encrypted video file and an encrypted lookup table. The comparison table is used to record the correspondence between the encrypted audio file and multiple sorting indexes. The playback device includes a memory for temporarily storing the audio file to be decrypted. This is because the background video is also played when the song is played, and the audio file and the video file are usually placed in two different discs. Position, if you want to read two files in different positions at the same time, the servo movement of the playback device will take a long time, which may cause pauses during playback. Therefore, the smaller audio files ...

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Abstract

The provided kara-OK system comprises: an optical information storage media with multiple enciphered audio files and at least one enciphered video file and a mapping list, and a display device to acquire and decode the list then respond to a command to acquire an audio and corresponding video file for display.

Description

technical field [0001] The invention relates to a karaoke system, in particular to a karaoke system that allows users to select and play music and movies stored in a CD through a directory presented by a CD drive. Background technique [0002] High-density optical recording media, such as compact disc-recordable (CD-R) or digital video disc-recordable (DVD-R), have the advantage of being able to record large amounts of data , has been widely used to record a large amount of video and audio data. Among them, the powerful audio-visual functions of the DVD player are being continuously developed, so that there is a strong demand for the application of the Karaoke system. However, currently limited by the capacity of the DVD disc, if the original audio files of the songs are stored, too many songs cannot be stored on the same disc; It is not direct and natural enough, and at the same time, there are many restrictions when choosing songs. And, if every music video (Music TV, M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/10G11B31/00G10K15/00
Inventor 周煜杰贾涛覃海成保院
Owner MEDIATEK INC
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