Video signal processing device and method

A video signal processing apparatus comprising:

• data-extracting means for extracting a sequence number from a source video signal containing the sequence number that indicates the order in which fields exist in the source video signal;
• and
• data-generating means for processing the fields of the source video signal in accordance with the sequence number extracted by the data-extracting means, thereby generating a destination video signals,
• where the sequence number of said source video signal is stored in a user area of Vertical Interval Time Code (VITC) data in the destination video signal.

A video data editing apparatus for editing video data, said apparatus comprising:

• means for receiving 30-frame rate video data generated by performing 2-3 pull-down process on 24-frame rate source video data;
• data-extracting means for extracting a time code corresponding to the 24-frame rate source video data inserted in a user bit area of the VITC data contained in the 30-frame rate video data;
• and
• means for generating an edition list of 24-frame rate, for use in editing the 24-frame rate source video data in accordance with the 24-frame rate time code.

A video data editing apparatus for editing video data, said apparatus comprising:

• an on-line editing device for processing 24-frame rate video data;
• and an off-line editing device for processing 30-frame rate video data, wherein said off-line editing device comprises:
• means for receiving 30-frame rate video data generated by performing 2-3 pull-down process on 24-frame rate source video data;
• and
• means for generating an edition list of 24-frame rate, for use in editing the 24-frame rate source video data in accordance with the 24-frame rate time code which corresponds to the 24-frame rate source video data inserted in the user bit area of the VITC data contained in the 30-frame rate video data, and said on-line editing device comprises:
• means for editing the 24-frame rate source video data in accordance with the edition list of 24-frame rate.

A video data editing apparatus for editing video data, said apparatus comprising:

• means for receiving 30-frame rate video data generated by performing 2-3 pull-down process on 24-frame rate source video data, said 30-frame rate video data containing a 30-frame rate time code described, as VITC data about the 30-frame rate video data, in a bit area that accords with SMPTE-12M standards, and a 24-frame rate time code corresponding to the 24-frame rate source video data and a sequence number indicating the order of fields in one sequence of the 2-3 pull-down process, both described in an user bit area of the VITC data of the 30-frame rate video data;
• means for generating 24-frame rate video data, by performing inverse 2-3 pull-down process on the 30-frame rate video data in accordance with the sequence number,
• means for generating an edition list of 24-frame rate, by performing an off-line edition process using the 24-frame rate video data generated by means of the inverse 2-3 pull-down process and the 24-frame rate time code;
• and
• means for producing a master video program by performing on-line edition on the 24-frame rate source video data in accordance with the 24-frame rate edition list.

A video signal processing method comprising the steps of:

• extracting a sequence number from a source video signal containing the sequence number that indicates the order in which fields exist in the source video signal;
• and
• processing the fields of the source video signal in accordance with the sequence number extracted by the data-extracting means, thereby generating a destination video signal,
• where the sequence number extracted from said source video signal is stored in a user area of Vertical Interval Time Code (VITC) data in the destination video signal.

A video data editing method designed to edit video data, comprising the steps of:

• receiving 30-frame rate video data generated by performing 2-3 pull-down process on 24-frame rate source video data;
• extracting a time code corresponding to the 24-frame rate source video data inserted in a user bit area of the VITC data contained in the 30-frame rate video data;
• and
• generating an edition list of 24-frame rate, for use in editing the 24-frame rate source video data in accordance with the 24-frame rate time code.

A video data editing method designed to edit video data, comprising the steps of:

• receiving 30-frame rate video data generated by performing 2-3 pull-down process on 24-frame rate source video data, said 30-frame rate video data containing:
• a 30-frame rate time code stored as Vertical Interval Time code (VITC) data, in a bit area that accords with SMPTE-12M standards, and
• a 24-frame rate time code corresponding to the 24-frame rate source video data and a sequence number indicating the order of fields in one sequence of the 2-3 pull-down process, both stored in a user bit area of said VITC data of the 30-frame rate video data;
• and
• generating an edition list of 24-frame rate, for use in editing the 24-frame rate source video data in accordance with a 24-frame rate time code and sequence number.

A video data editing method designed to edit video data, comprising the steps of:

• receiving 30-frame rate video data generated by performing 2-3 pull-down process on 24-frame rate source video data, said 30-frame rate video data containing:
• a 30-frame rate time code deee*ibed stored as Vertical Interval Time Code (VITC) data, in a bit area that accords with SMPTE-12M standards, and
• a 24-frame rate time code corresponding to the 24-frame rate source video data and a sequence number indicating the order of fields in one sequence of the 2-3 pufl-down process, both stored in a user bit area of said VITC data of the 30-frame rate video data;
• generating 24-frame rate video data, by perfoniting inverse 2-3 pull-down pmcess on the 30-frame rate video data in accordance with the sequence number;
• generating an edition list of 24-frame rate, by performing an off-line edition process using the 24-frame rate video data generated by means of the inverse 2-3 pull-dowm process and the 24-frame rate time code;
• and
• producing a master video program by performing on-line edition on the 24-frame rate source video data in accordance with the 24-frame rate edition list.