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AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide The first portable VTR, the suitcase-sized 1967 AMPEX quadruplex VR-3000 1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness. However, only one reel is ...
It is H.264 and Dolby AC-3 packaged into the MPEG transport stream, with a set of constraints designed around camcorders. Developed jointly by Sony and Panasonic, the format was introduced in 2006 primarily for use in high definition consumer camcorders. [citation needed] Related specifications include the professional variants AVCCAM and NXCAM.
IVC 2 inch Helical scan was a high-end broadcast quality helical scan analog recording VTR format developed by International Video Corporation (IVC), and introduced in 1975. . Previously, IVC had made a number of 1 inch Helical
VTR Weight: 11 lb. Monitor Weight: 3.5 lb. [ 1 ] The Akai X500-VT is perhaps the oddest of the Akai format machines in as much as it is both a stereo reel to reel audio recorder of 3.3/4 and 7.5 inch per sec tape speed having an auto reverse function, as well as a video recorder combined in the same machine.
D-5 HD uses standard D-3/D-5 videocassettes to record HD material, using an intra-frame compression with a 4:1 ratio. It was introduced in 1994. [2] D-5 HD supports the 1080 and the 1035 interlaced line standards at both 60 Hz and 59.94 Hz field rates, all 720 progressive line standards and the 1080 progressive line standard at 24, 25 and 30 frame rates.
D6 HDTV VTR is SMPTE videocassette standard. A D6 VTR can record and playback HDTV video uncompressed. The only D6 VTR product is the Philips, now Thomson's Grass Valley's Media Recorder, model DCR 6024, also called the D6 Voodoo VTR. The VTR was a joint project between Philips Digital Video Systems of Germany and Toshiba in Japan.
If the user made any errors in doing this, the machine would malfunction and the tape could become damaged. So, another version, EIAJ-2, was released later on that used a single-reel cartridge (with the take-up reel being built into the VTR) instead of an open take up reel. Otherwise, the recording specifications were exactly the same.
AVC-Intra is compliant with the H.264/MPEG-4 AVC standard [2] and Panasonic claims to follow the SMPTE RP 2027–2007 [3] recommended practice specification. [4] Analysis by the x264 project has shown that Panasonic does not comply with this specification [ 5 ]