Digital television Kara OK system and method for realizing function of Kara OK thereof

Abstract

The invention relates to a digital television Kara OK system and a method for realizing the function of Kara OK thereof. The system comprises a song play scheduling server, a song broadcasting server and a user set-top box orderly, which are connected with one another by digital television network communication. The method comprises the steps as follows: performing play scheduling to a song audio file, a video file and a lyric file; generating a lyric showing time stamp according to the lyric and audio stream synchronous time information; causing the lyric and the showing time stamp to generate a lyric list; packing the song audio and video files into a song audio and video stream which is broadcasted to a terminal together with the lyric list; receiving the song audio and video stream and the lyric list by the terminal and analyzing the lyric list to obtain the lyric and the showing time stamp; comparing the song audio and video stream showing time stamp with the lyric showing time stamp to obtain the synchronous lyric; and playing the song audio and video stream by the terminal and synchronously displaying the lyric. The system has the advantages of small transmission processing data quantity, low requirement on hardware configuration, no additional apparatuses, easy and rapid operation method, good synchronization, and real-time response of user operation without waiting.

Description

technical field [0001] The invention relates to a system which is beneficial for digital TV to realize karaoke, and also relates to a method for realizing karaoke function in the system, in particular to a digital TV karaoke system and a method for realizing karaoke function. Background technique [0002] "Karaoke" is an entertainment method that simulates singing with the accompaniment of a band through music accompaniment and lyrics subtitle prompts. The karaoke function is mainly achieved by playing a CD with sound, lyrics, subtitles and scenes in the audio equipment. The singer follows the lyrics and subtitles to sing along with the sound. Through certain audio equipment, people can experience singing with music accompaniment. It is fun and meets people's entertainment needs, and is deeply loved by the public. [0003] Based on a broad mass base, karaoke has gradually entered the home from entertainment venues that provided professional karaoke services in the past. Bec...

AI Technical Summary

Problems solved by technology

[0007] 2. This method is based on the existing karaoke composition and playing principle to realize the karaoke function in the digital TV system. The program is relatively complicated, and the advantages of digital signal transmission and processing in the digital TV system are not fully utilized.

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