This specification provides a karaoke player, system and the method thereof. A goal of the player, the system and the method is to reduce the download data flux. Playing data that do not contain video signal are transmitted by a server to a signal processing device/karaoke player, which then decodes the playing data into audio signal and subtitle signal. A player/karaoke player plays the video signal, the audio signal, and the subtitle signal. Therefore, the player, the system and the method can enhance the data transmission efficiency.