MY123906A - Method for assigning audio channel identification, method for selecting audio channel using the same, and optical recording and reproducing apparatus suitable therefor - Google Patents

Abstract

A METHOD FOR ASSIGNING A CHANNEL IDENTIFICATION (ID) OF AN AUDIO SIGNAL BYWHICH IT IS POSSIBLE TO FOLLOW UP AND SELECT THE AUDIO CHANNEL SELECTED BY A USER EVEN THOUGH A PROGRAM OR AN AUDIO DATA STREAM IS CHANGED IN AN AUDIO/VIDEO (A/V) DEVICE FOR REPRODUCING A PROGRAM INCLUDING A PLURALITY OF AUDIO DATA STREAMS, A METHOD FOR SELECTING AUDIO CHANNELS USING THE SAME, AND AN APPARATUS SUITABLE THEREFOR ARE PROVIDED. THE METHOD FOR SELECTING THE AUDIO CHANNELS OF AN AN DATA STREAM INCLUDING A PLURALITY OF PROGRAMS, EACH PROGRAM INCLUDING AT LEAST TWO KINDS OF AUDIO DATA STREAMS, EACH AUDIO DATA STREAM INCLUDING AT LEAST TWO SUB-AUDIO DATA STREAMS WHICH ARE NOT REPEATED AND HAVE A SERIES OF IDS ACCORDING TO APREDETERMINED ORDER OF PRECEDENCE, INCLUDES THE STEPS OF (A) WHEN A PROGRAM IS CHANGED TO ANOTHER PROGRAM, SEARCHING WHETHER THERE IS A SUB-AUDIO DATA STREAM HAVING A CHANNEL ID WHICH IS THE SAME AS THE CHANNEL ID ASSIGNED TO THE SUB-AUDIO DATA STREAM OF THE PROGRAM WHICH WAS BEING REPRODUCED BEFORE THE PROGRAM WAS CHANGED, IN THE CHANGED PROGRAM AND (B) WHEN IT IS DETERMINED THAT THERE IS THE SUB-AUDIO DATA STREAM HAVING A CHANNEL ID WHICH IS THE SAME AS THE CHANNEL ID ASSIGNED TO THE SUB-AUDIO DATA STREAM OF THE PROGRAM WHICH WAS BEING REPRODUCED BEFORE THE PROGRAM WAS CHANGED IN THE STEP (A), SELECTING THE SUB-AUDIO DATA STREAM. ACCORDING TO THE METHOD FOR SELECTING AN AUDIO SIGNAL, IT IS POSSIBLE TO FOLLOW UP THE VOICE MODE SELECTED BY A USER ALTHOUGH A PROGRAM OR, ANAUDIO DATA STREAM IS CHANGED.(FIG. 6)