Device for synchronizing video and audio of Kara-OK system

A technology for synchronizing audio and converting devices, which is applied to components of TV systems, TVs, color TVs, etc., to achieve the effect of convenient use mode and rich display methods
CN1728770AInactive Publication Date: 2006-02-01LG ELECTRONIC (HUIZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LG ELECTRONIC (HUIZHOU) CO LTD
Publication Date
2006-02-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The device is composed of following parts: memory of accompaniment data for storing accompaniment data; memory of song data for recording song data; video memory in use for converting song data to image signal of fonts in bit map mode; memory of background image for storing background image; part for generating background image is in use for generating background image; based on accompaniment data of each instrument, a generation part of accompaniment signal in use for generating accompaniment signal; audio synthesis part for synthesizing sound signal from the accompaniment signal and userí»s sound from microphone and outputting synthesized sound through speaker; command input part in use for inputting number of song or commands for pointing other controlled operation; control part for controlling operation of song data after reading out accompaniment data and synchronized signal, and controlling speed of background image based on rhythm of song.
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Description

【Technical field】

[0001] This application is about a karaoke system, in particular, it can simultaneously display the background picture, accompaniment and lyrics of each song, and is a device and method for synchronizing the video and audio of a song. 【Background technique】

[0002] In recent years, the karaoke system has been popularized. In fact, karaoke rooms are mainly used by young people and other men, women and children, and their utilization rate is also increasing. So wherever you go, you can easily find a karaoke room and enjoy the happiness it brings.

[0003] General karaoke system such as figure 1 shown.

[0004] refer to figure 1 , it is based on the accompaniment data memory 20 that stores a plurality of musical instrument accompaniment data according to the digital sound (abbreviated as MIDI) standard; The lyric data memory 22 that records lyrics; Store the subtitle ROM 25 corresponding to the above-mentioned bitmap font; Store the background image stora...

Claims

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