Patent ID: 6141004
Filing Date: 2000-10-31
Classification: G11B,H04N

Abstract:
An optical disc player to read an optical disc bit stream from an optical disc and to display a menu, comprising:a system controller to control an overall operation of the optical disc player;an audio/video decoder to decode the optical disc bit stream into audio data and video data, and to control a playback operation of the menu by transferring control information for the menu playback operation to said system controller; anda key input device to receive a key input indicative of a playback menu request from a user;wherein the system controller receives the key input from the key input device and transfers the key input to the audio/video decoder, and the audio/video decoder checks whether the key input has been received, checks whether the key input received from the system controller is valid by referring to the optical disc bit stream, checks whether a key input has been received if the key input is not valid and determines whether the key input relates to button selection if the key input is valid.