Method of immediate writing or reading files on a disc like recording medium

A recorder comprising:

• a disc drive for receiving a blank writable disc inserted into The recorder;
• formatting means for formatting the inserted disc, wherein the formatting includes an initializing, the initializing includes recording control data in a lead-in area, the control data defines a general purpose area (GPA) within a program area of the disc, and the program area follows the lead-in urea;
• writing means for recording user data within the program area after the initializing, wherein the recording includes recording data in a user portion of the program area that is outside of the general purpose area (GPA);
• and wherein:
• the formatting means continues the formatting of the disc after some of the user data has been recorded, the continued formatting includes recording format data in the user portion of the program area;
• and
• the formatting includes a finalizing and when the disc is ejected from the drive prior to completing the formatting, then the finalizing is completed prior to the ejecting, and the finalizing includes writing additional control data in the lead-in area and in a lead-out area without completing the formatting of the entire disc, the lead-out area follows the program area.

A method comprising:

• on a removable rewritable disc like recording medium, the recording apparatus comprising,
• receiving digital information signals;
• receiving a removable rewritable disc-like recording medium;
• formatting the disc including an initializing, the initializing includes recording control data in a lead-in area, the control data defines a general purpose area (GPA) within a program area of the disc, and the program area follows the lead-in area;
• recording the digital information signals onto the removable medium;
• continuing the formatting of the disc after some of the user data has been recorded, wherein the continued formatting includes recording format data in the user portion of the program area;
• prior to ejecting the disc from the recording apparatus, when the formatting of the disc is not yet complete, finalizing the disc by recording additional control data in the lead-in area and in a lead-out area without completing the formatting of the entire disc, wherein the lead-out area follows the program area;
• reading the recorded digital information signals recorded from the removable medium;
• and
• outputting the read digital information signals.

Programming apparatus for programming a programmable recorder, comprising:

• formatting means for programming the recorder for formatting a blank writable disc, the formatting including an initializing, the initializing includes recording control data in a lead-in area, the control data defines a general purpose area (GPA) within a program area of the disc, and the program area follows the lead-in area;
• writing means for programming the recorder for recording user data within the program area after the initializing, the recording includes recording data in a user portion of the program area that is outside of the general purpose area (GPA);
• and wherein
• the recorder continues the formatting of the disc after some of the user data has been recorded, the continued formatting includes recording format data in the user portion of the program area;
• prior to ejecting the disc from the recording apparatus, when the formatting of the disc is not yet complete, the recorder finalizing the disc by recording additional control data in the lead-in area and in a lead-out area without completing the formatting of the entire disc, the lead-out area follows the program area.