Patent ID: 8204360

Claim:
A portable recording apparatus having a built-in camera for recording data to a record medium, comprising: a camera for acquiring an image; a video input for inputting video data representing the acquired image; a video encoder for encoding video data in a group structure of a plurality of frames by performing a compression-encoding process; a video data output for outputting the encoded video data; an audio data output for outputting compression-encoded or non-compressed audio data; a management data generator for generating management data which manages said encoded video data and said audio data; a transformer for transforming the data structure of said encoded video data, the outputted audio data, and the management data into a file structure; and a recorder 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, 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.