Patent ID: 6055216
Filing Date: 2000-04-25
Classification: G11B

Abstract:
A disk reproduction apparatus comprising:means for reading information data from a disk as reproduction data and sub-code data, and demodulating the reproduction data and the sub-code data;means for decoding the demodulated reproduction data and sub-code data;a buffer memory controlled by said decoding means;write means for writing increments of the demodulated reproduction data and sub-code data to said buffer memory while maintaining a fixed relationship in phase therebetween; andreadout means for reading the demodulated reproduction data and the sub-code data out of said buffer memory while maintaining a fixed relationship in phase therebetween,wherein said information data includes audio data and ROM data, said reading and demodulating means reads the information data at a high rate uncorrelated with an audio reproduction rate, and said readout means reads the demodulated reproduction data at the audio reproduction rate.