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DVCPROHD is a format for recording high definition video. Developed by Panasonic, DVCPROHD can be considered a high definition variant of DV format. Depending on frame rate and frame size, DVCPROHD uses up to four times higher bitrate than DV.
To reduce amount of recorded data, horizontal resolution of images is reduced compared to broadcast high definition video. This horizontal compression is similar to but more significant than that of other HD formats such as HDCAM, HDV or AVCHD. On another hand, DVCPROHD uses higher quality 4:2:2 color sampling, compared to 4:2:0 or 4:1:1 color sampling used in lower-bitrate video formats.
DVCPRO HD horizontally compresses recorded images to 960x720 pixels for 720p output, 1280x1080 for 1080/59.94i or 1440x1080 for 1080/50i.
The final DCT compression ratio of DVCPRO HD is approximately 6.7:1. To maintain compatibility with HDSDI, DVCPRO100 equipment upsamples video during playback. A camcorder using a special variable-framerate (from 4 to 60 frame/s) variant of DVCPRO HD called VariCam is also available. All these variants are backward compatible but not forward compatible. DVCPRO-HD is codified as SMPTE 370M; the DVCPRO-HD tape format is SMPTE 371M, and the MXF Op-Atom format used for DVCPRO-HD on P2 cards is SMPTE 390M.
DVCPRO cassettes are always labeled with a pair of run times, the smaller of the two being the capacity for DVCPRO50. A "M" tape can hold up to 66/33 minutes of video. The color of the lid indicates the format: DVCPRO tapes have a yellow lid, longer "L" tapes made specially for DVCPRO50 have a blue lid and DVCPRO HD tapes have a red lid. The formulation of the tape is the same, and the tapes are interchangeable between formats. The running time of each tape is 1x for DVCPRO, ½x for DVCPRO 50, ½x for DVCPRO HD EX, and ¼x for DVCPRO HD, since the tape speed changes between formats. Thus a tape made 126 minutes for DVCPRO will last approximately 32 minutes in DVCPRO HD.
Presently, only Panasonic camcorders and tape recorders can record and play back DVCPROHD content.