Abstract: There is provided a music accompaniment apparatus that is connected to at least one external device to reproduce an audio or video signal, the music accompaniment apparatus including: an audio input section for inputting an external audio signal; an audio signal processing section for processing an audio signal including an accompaniment signal internally provided and an external audio signal input through the audio input section, and externally outputting the processed audio signal; a video signal processing section for processing a video signal including a caption signal, and externally outputting the processed video signal; a time delay calculating section for calculating the difference between a transmission time of a check signal to the at least one external device and a reception time of the check signal from the at least one external device to compute a time delay representing a delay of the audio or video signal for the at least one external device; and a control section for controlling the whole oper

Abstract: The present invention is directed to an apparatus and method for digital-mixing two sound sources, and performing both audio-outputting and encoding-storing of the digital-mixed sound sources.

Abstract: The present invention is directed to an apparatus and method for digital-mixing two sound sources, and performing both audio-outputting and encoding-storing of the digital-mixed sound sources.