Apparatus for recording and reproducing intra-frame and inter-frame encoded video data arranged into recording frames

A method of recording video data on a recording medium in which frames of said video data are subjected to either intra-frame compression and encoding or inter-frame compression and encoding and arranged into recording frames each having a plurality of recording units of a predetermined capacity, comprising the steps of:

• dividing each frame of said video data into a plurality of blocks each containing a predetermined number of pixel data;
• intra-frame compressing and encoding at least one frame of said video data on a block basis such that said at least one frame is encoded independent of adjoining frames of said video data so as to generate intra-frame encoded data for each of the plurality of blocks of said at least one frame;
• inter-frame compressing and encoding other frames of said video data on a block basis such that said other frames are encoded in correlation with adjoining frames of said video data so as to generate inter-frame encoded data for each of the plurality of blocks of each of said other frames;
• generating recording frames by arranging each of said intra-frame encoded data in a respective recording unit of said recording frames without exceeding said predetermined capacity of said recording unit for each of said intra-frame encoded data and arranging overflow data portions of each of said intra-frame encoded data exceeding said predetermined capacity of said recording unit together with each of said inter-frame encoded data in empty regions of said recording units of said recording frames wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data are positioned within said recording frame at a position so as to be read prior to each of said inter-frame encoded data when said video data is reproduced from said recording medium;
• and
• recording intra-frame encoded data and said inter-frame encoded data arranged in said recording frames on said recording medium.

Apparatus for reproducing video data from a recording medium in which said video data was recorded as recording frames having a plurality of recording units of a predetermined capacity;

• each frame of said video data being divided into a plurality of blocks and each block being subjected to either intra-frame compression and encoding to generate intra-frame encoded data or inter-frame compression and encoding to generate inter-frame encoded data;
• each of said intra-frame encoded data being recorded in a respective recording unit without exceeding the capacity of said recording unit with overflow data portions of each of said intra-frame data that exceed said predetermined capacity of said recording unit together with each of said inter-frame encoded data being recorded in empty regions of said recording units of said recording frames wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data are positioned within said recording frame at a position so as to be read prior to each of said inter-frame encoded data when said video data is reproduced from said recording medium, said apparatus comprising:
• means for reproducing said intra-frame encoded data and said inter-frame encoded data of said recording frames from said recording medium;
• means for extracting each of said intra-frame encoded data from said recording units of said recording frames;
• means for extracting said overflow data portion of said intra-frame encoded data exceeding said predetermined capacity of said recording unit and each of said inter-frame encoded data from remaining regions of said recording units of said recording frames;
• means for combining each of said overflow data portions with a corresponding intra-frame encoded data;
• and
• means for outputting said intra-frame encoded data and said inter-frame encoded data as said video data.

A method of reproducing video data from a recording medium in which said video data was recorded as recording frames having a plurality of recording units of a predetermined capacity;

• each frame of said video data being divided into a plurality of blocks and each block being subjected to either intra-frame compression and encoding to generate intra-frame encoded data or inter-frame compression and encoding to generate inter-frame encoded data;
• each of said intra-frame encoded data being recorded in a respective recording unit without exceeding the capacity of said recording unit with overflow data portions of each of said intra-frame data that exceed said predetermined capacity of said recording unit together with each of said inter-frame encoded data being recorded in empty regions of said recording units of said recording frames wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data are positioned within said recording frame at a position so as to be read prior to each of said inter-frame encoded data when said video data is reproduced from said recording medium, said method comprising the steps of:
• reproducing said intra-frame encoded data and said inter-frame encoded data of said recording frames from said recording medium;
• extracting each of said intra-frame encoded data from said recording units of said recording frames;
• extracting said overflow data portion of said intra-frame encoded data exceeding said predetermined capacity of said recording unit from additional regions of said recording units of said recording frames;
• extracting each of said inter-frame encoded data from remaining additional regions of said recording units of said recording frames after said intra-frame encoded data and said overflow data portion of said intra-frame encoded data has been extracted;
• combining each of said overflow data portions with a corresponding intra-frame encoded data;
• and
• outputting said intra-frame encoded data and said inter-frame encoded data as said video data.

Apparatus for recording video data on a recording medium in which frames of said video data are subjected to either intra-frame compression and encoding or inter-frame compression and encoding and arranged into recording frames each having a plurality of recording units of a predetermined capacity, comprising:

• means for dividing said plurality of recording units into first and second areas;
• means for dividing each frame of said video data into a plurality of blocks each containing a predetermined number of pixel data;
• means for intra-frame compressing and encoding at least one frame of said video data on a block basis such that said at least one frame is encoded independent of adjoining frames of said video data so as to generate intra-frame encoded data for each of the plurality of blocks of said at least one frame;
• means for inter-frame compressing and encoding other frames of said video data on a block basis such that said other frames are encoded in correlation with adjoining frames of said video data so as to generate inter-frame encoded data for each of the plurality of blocks of each of said other frames;
• means for generating recording frames by arranging each of said intra-frame encoded data in a respective recording unit of said first area without exceeding said predetermined capacity of said recording unit for each of said intra-frame encoded data, arranging overflow data portions of each of said intra-frame encoded data exceeding said predetermined capacity of said recording unit in empty regions of recording units of said first area, arranging each of said inter-frame encoded data in a respective recording unit of said second area without exceeding said predetermined capacity of said recording unit for each of said inter-frame encoded data, and arranging overflow data portions of each of said inter-frame encoded data exceeding said predetermined capacity of said recording unit in empty regions of recording units of said second area wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data recorded in said first area are positioned so as to be read prior to each of said inter-frame encoded data and said overflow portions of each of said inter-frame encoded data recorded in said second area when said video data is reproduced from said recording medium;
• and
• means for recording intra-frame encoded data and said inter-frame encoded data arranged in said recording frames on said recording medium.

Apparatus for recording video data on a recording medium in which frames of said video data are subjected to either intra-frame compression and encoding or inter-frame compression and encoding and arranged into recording frames each having a plurality of recording units of a predetermined capacity, comprising:

• means for dividing said plurality of recording units into first and second areas;
• means for dividing each frame of said video data into a plurality of blocks each containing a predetermined number of pixel data;
• means for intra-frame compressing and encoding at least one frame of said video data on a block basis such that said at least one frame is encoded independent of adjoining frames of said video data so as to generate intra-frame encoded data for each of the plurality of blocks of said at least one frame;
• means for inter-frame compressing and encoding other frames of said video data on a block basis such that said other frames are encoded in correlation with adjoining frames of said video data so as to generate inter-frame encoded data for each of the plurality of blocks of each of said other frames;
• means for generating recording frames by arranging each of said intra-frame encoded data in a respective recording unit of said first area without exceeding said predetermined capacity of said recording unit for each of said intra-frame encoded data, arranging overflow data portions of each of said intra-frame encoded data exceeding said predetermined capacity of said recording unit in empty regions of recording units of said first area, arranging each of said inter-frame encoded data in a respective recording unit of said second area without exceeding said predetermined capacity of said recording unit for each of said inter-frame encoded data, and arranging overflow data portions of each of said inter-frame encoded data exceeding said predetermined capacity of said recording unit in empty regions of recording units of said first area or said second area wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data recorded in said first area are positioned so as to be read prior to each of said inter-frame encoded data recorded in said second area and said overflow portions of each of said inter-frame encoded data recorded in said first or second area when said video data is reproduced from said recording medium;
• and
• means for recording intra-frame encoded data and said inter-frame encoded data arranged in said recording frames on said recording medium.

A method of recording video data on a recording medium in which frames of said video data are subjected to either intra-frame compression and encoding or inter-frame compression and encoding and arranged into recording frames each having a plurality of recording units of a predetermined capacity, comprising:

• dividing said plurality of recording units into first and second areas;
• dividing each frame of said video data into a plurality of blocks each containing a predetermined number of pixel data;
• intra-frame compressing and encoding at least one frame of said video data on a block basis such that said at least one frame is encoded independent of adjoining frames of said video data so as to generate intra-frame encoded data for each of the plurality of blocks of said at least one frame;
• inter-frame compressing and encoding other frames of said video data on a block basis such that said other frames are encoded in correlation with adjoining frames of said video data so as to generate inter-frame encoded data for each of the plurality of blocks of each of said other frames;
• generating recording frames by arranging each of said intra-frame encoded data in a respective recording unit of said first area without exceeding said predetermined capacity of said recording unit for each of said intra-frame encoded data, arranging overflow data portions of each of said intra-frame encoded data exceeding said predetermined capacity of said recording unit in empty regions of recording units of said first area, arranging each of said inter-frame encoded data in a respective recording unit of said second area without exceeding said predetermined capacity of said recording unit for each of said inter-frame encoded data, and arranging overflow data portions of each of said inter-frame encoded data exceeding said predetermined capacity of said recording unit in empty regions of recording units of said second area wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data recorded in said first area are positioned so as to be read prior to each of said inter-frame encoded data and said overflow portions of each of said inter-frame frame encoded data recorded in said second area when said video data is reproduced from said recording medium;
• and
• recording intra-frame encoded data and said inter-frame encoded data arranged in said recording frames on said recording medium.

Apparatus for reproducing video data from a recording medium in which said video data was recorded as recording frames having a plurality of recording units of a predetermined capacity, said plurality of recording units having first and second areas;

• each frame of said video data being divided into a plurality of blocks and each block being subjected to either intra-frame compression and encoding to generate intra-frame encoded data or inter-frame compression and encoding to generate inter-frame encoded data;
• each of said intra-frame encoded data being recorded in a respective recording unit of said first area without exceeding the capacity of said recording unit with overflow data portions of each of said intra-frame data that exceed said predetermined capacity of said recording unit being recorded in empty regions of said recording units of said first area;
• and each of said inter-frame encoded data being recorded in a respective recording unit of said second area without exceeding the capacity of said recording unit with overflow data portions of each of said inter-frame data that exceed said predetermined capacity of said recording unit being recorded in empty regions of said recording units of said second area wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data recorded in said first area are positioned so as to be read prior to each of said inter-frame encoded data and said overflow portions of each of said inter-frame encoded data recorded in said second area when said video data is reproduced from said recording medium, comprising:
• means for reproducing said intra-frame encoded data and said inter-frame encoded data of said recording frames from said recording medium;
• means for extracting each of said intra-frame encoded data from said recording units of said first area;
• means for extracting said overflow data portion of said intra-frame encoded data exceeding said predetermined capacity of said recording unit from remaining regions of said recording units of said first area;
• means for extracting each of said inter-frame encoded data from said recording units of said second area;
• means for extracting said overflow data portion of said inter-frame encoded data exceeding said predetermined capacity of said recording unit from remaining regions of said recording units of said second area;
• means for combining each of said overflow data portions of said intra-frame encoded data with a corresponding intra-frame encoded data;
• means for combining each of said overflow data portions of said inter-frame encoded data with a corresponding inter-frame encoded data;
• and
• means for outputting said intra-frame encoded data and said inter-frame encoded data as said video data.

A method of reproducing video data from a recording medium in which said video data was recorded as recording frames having a plurality of recording units of a predetermined capacity, said plurality of recording units having first and second areas;

• each frame of said video data being divided into a plurality of blocks and each block being subjected to either intra-frame compression and encoding to generate intra-frame encoded data or inter-frame compression and encoding to generate inter-frame encoded data;
• each of said intra-frame encoded data being recorded in a respective recording unit of said first area without exceeding the capacity of said recording unit with overflow data portions of each of said intra-frame data that exceed said predetermined capacity of said recording unit being recorded in empty regions of said recording units of said first area;
• and each of said inter-frame encoded data being recorded in a respective recording unit of said second area without exceeding the capacity of said recording unit with overflow data portions of each of said inter-frame data that exceed said predetermined capacity of said recording unit being recorded in empty regions of said recording units of said second area wherein each of said intra-frame encoded data and said overflow portions of each of said intra-frame encoded data recorded in said first area are positioned so as to be read prior to each of said inter-frame encoded data and said overflow portions of each of said inter-frame encoded data recorded in said second area when said video data is reproduced from said recording medium, comprising the steps of:
• reproducing said intra-frame encoded data and said inter-frame encoded data of said recording frames from said recording medium;
• extracting each of said intra-frame encoded data from said recording units of said first area;
• extracting said overflow data portion of said intra-frame encoded data exceeding said predetermined capacity of said recording unit from remaining regions of said recording units of said first area;
• extracting each of said inter-frame encoded data from said recording units of said second area;
• extracting said overflow data portion of said inter-frame encoded data exceeding said predetermined capacity of said recording unit from remaining regions of said recording units of said second area;
• combining each of said overflow data portions of said intra-frame encoded data with a corresponding intra-frame encoded data;
• combining each of said overflow data portions of said inter-frame encoded data with a corresponding inter-frame encoded data;
• and
• outputting said intra-frame encoded data and said inter-frame encoded data as said video data.