Method and device for recording digital data

Details Method and device for recording digital data Method and device for recording digital data

H - Electricity

04

N

H04N 5/91 (2006.01) H04N 7/24 (2006.01)

Patent

CA 2541793

Various applications record or handle uncompressed video, where the amount of information needed for each frame or field is constant, based on the video frame rate and colour resolution of each pixel. Since various video frame rates and audio sample rates are defined and can be combined independently, the amount of audio samples per video frame may vary. The disclosed method allows packing audio samples and video samples into constant size containers, e.g. MXF containers, so that there is an integer amount of audio samples within the time period needed for one video frame, independent from the used video raster. The method includes generating constant length KLV encoded video packets (PicI), generating variable length KLV encoded audio packets (AudI) corresponding to the same time period as the video packets (PicI), generating variable length KLV encoded data packets (DatI), wherein the sum of the lengths of the audio packet and the data packet are constant, and generating from said packets a constant size content package (CP_1,...,CP_N).

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