Patent ID: 7539399
Filing Date: 2009-05-26
Classification: G11B,H04N

Abstract:
1. A recording apparatus for recording data to a record medium, comprising: video encoding means for encoding video data in a group structure of a plurality of frames by performing a compression-encoding process; video data output means for outputting encoded video data by said video encoding means; audio data output means for outputting compression-encoded or non-compressed audio data; management data generating means for generating management data which manages said encoded video data and said audio data; transforming means for transforming the data structure of encoded video data that is output from said video data output means, audio data that is output from said audio data output means, and the management data into a file structure; and recording means for recording said transformed encoded video data, the audio data, and the management data to a record medium, wherein the file structure contains a first video data unit which corresponds to a predetermined number of frames of said encoded video data outputted from said video output means, a first audio data unit which corresponds to a predetermined number of sound samples of said audio data, a second video data unit which comprises a plurality of said first video data units, and a second audio data unit which comprises a plurality of said first audio data units, wherein said second video data unit and said second audio data unit are recorded on a successive location of said record medium respectively; and wherein said management data includes video track data and audio track data of independent data structure, and wherein the video track data contains a size quantity of the first video data unit and a start position of the second video data unit and the audio track data contains a size quantity of said first audio data unit and a start position of said second audio data unit, respectively.