When a write operation is to be performed for writing digital audio data (track), stored on a hard disk, to a CDR disk in an audio-digital-signal recording apparatus, control is performed, prior to execution of the write operation, such that the digital audio data stored on the hard disk can not be accessed...http://www.google.com/patents/US20020087303?utm_source=gb-gplus-sharePatent US20020087303 - Digital-audio-signal recording apparatus
