Method and apparatus for recording time information for digital data streams

An apparatus for recording time information of digital data streams received through an interface, the apparatus comprising:

• means for generating a clock;
• means for counting the generated clock such that a smaller-unit time field is reset when a count value of the smaller-unit time field reaches a predetermined value and a bigger-unit time field is incremented by 1 when the smaller-unit time field is reset;
• and
• means for creating data object units by adding the count values of the bigger-unit time field and the smaller-unit time field at the time each unit of a digital data stream is received, to the corresponding unit of the digital data stream.

A method for recording time information of digital data streams received through an interface, the method comprising the steps of:

• generating a clock;
• counting the generated clock such that a smaller-unit time field is reset when a count value of the smaller-unit time field reaches a predetermined value and a bigger-unit time field is incremented by 1 when the smaller-unit time field is reset;
• and
• creating data object units by adding the count values of the bigger-unit time field and the smaller-unit time field at the time each unit of a digital data stream is received, to the corresponding unit of the digital data stream.

An apparatus for recording time information of digital data streams received through an interface, the apparatus comprising:

• a clock generator to generate a clock;
• a counter to count the clock generated by the clock generator such that a smaller-unit time field is reset when a count value of the smaller-unit time field reaches a predetermined value and a bigger-unit time field is incremented by 1 when the smaller-unit time field is reset;
• and
• a data formatter to create data object units by adding the count values of the bigger-unit time field and the smaller-unit time field of the counter at the time each unit of a digital data stream is received, to the corresponding unit of the digital data stream,
• wherein the data object units carry management data.

An apparatus for recording time information of digital data streams received through an interface, the apparatus comprising:

• means for generating a clock;
• means for counting the generated clock such that a smaller-unit time field is reset when a count value of the smaller-unit time field reaches a predetermined value and a bigger-unit time field is incremented by 1 when the smaller-unit time field is reset;
• and
• means for creating data object units by adding the count values of the bigger-unit time field and the smaller-unit time field at the time each unit of a digital data stream is received, to the corresponding unit of the digital data stream,
• wherein the data object units carry management data.

A method for recording time information of digital data streams received through an interface, the method comprising the steps of:

• generating a clock;
• counting the generated clock such that a smaller-unit time field is reset when a count value of the smaller-unit time field reaches a predetermined value and a bigger-unit time field is incremented by 1 when the smaller-unit time field is reset;
• and
• creating data object units by adding the count values of the bigger-unit time field and the smaller-unit time field of the counter at the time each unit of a digital data stream is received, to the corresponding unit of the digital data stream,
• wherein the data object units carry management data.

A recording medium for recording time information of digital data streams received through an interface, the recording medium comprising:

• a recording layer;
• and
• data object units recorded on the recording layer,
• wherein the data object units are created by adding count values of a bigger-unit time field and a smaller-unit time field at the time each unit of a digital data stream is received, to the corresponding unit of the digital data stream,
• wherein the count values are generated, such that the smaller-unit time field is reset when the count value of the smaller-unit time field reaches a predetermined value, and the bigger-unit time field is incremented by 1 when the smaller-unit time field is reset, and wherein the data object units carry management data.

An apparatus for recording time information of digital data, the apparatus comprising:

• a clock generator to generate a clock;
• a counter to count the clock generated by the clock generator in order to create a smaller-unit time field and a bigger-unit time field, wherein the smaller-unit time field is created by a 27 MHz unit and the bigger-unit time field is created by a 90 KHz unit;
• and
• a data formatter to create a data object unit being presentation data, by adding a corresponding unit of the digital data to management data including the smaller-unit time field and the bigger-unit time field.

A method of recording time information of digital data, the method comprising:

• (a) generating a clock;
• (b) counting the clock in order to create a smaller-unit time field and a bigger-unit time field, wherein the smaller-unit time field is created by a 27 MHz unit and the bigger-unit time field is created by a 90 KHz unit;
• and
• (c) creating a data object unit being presentation data, by adding a corresponding unit of the digital data to management data including the smaller-unit time field and the bigger-unit time field.