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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.
All of the machines require the use of metal particle tape. 2-track recorders (1/4"): X-86; X-86HS (capable of recording and playing back at 88.2 kHz and 96 kHz sample rates as well as the X-86's 44.1 kHz and 48 kHz) X-86C (for "compatible"; the X-86C could play back 50.4 kHz tapes made on the X-80 as well as normal X-86 tapes)
Recording onto a metal tape requires special high-flux magnetic heads and high-current amplifiers to drive them. [19] [79] Typical metal tape is characterized by remanence of 3000–3500 G and coercivity of 1100 Oe, thus its bias flux is set at 250% of Type I level.
Sony developed DVCAM based on the DV consumer format. The DV format was designed for use with metal evaporated tape, which offers approximately 5 dB better carrier-to-noise figures than metal particle tape. Customers have requested VTRs that can play additional DV-based 6 mm formats such as the consumer DV LP and DVCPRO.
The Digital-S tape itself uses a much higher quality metal particle formulation. The recording system is digital and for video uses DV compression at a 50 Mbit/s bitrate . Video is recorded in 4:2:2 component format at a variety of standard-definition resolutions, in either 4:3 or 16:9 aspect ratios .
The system was an R-DAT based system which stored memos using helical scan on special microcassettes, which were 30 mm × 21.5 mm × 5 mm with a tape width of 2.5 mm, with a recording capacity of up to 120 minutes similar to Digital Audio Tape. The cassettes are offered in three versions: The Sony NTC-60, -90, and -120, each describing the ...
The model 3 Stereo from 1957 was Tandberg's first stereo system which allowed playback of stereo tapes, however the ability to record in stereo was not made available until the introduction of the model 5 in 1958, which allowed for the connection of an external recording amplifier to record the second channel onto the tape. Their first full ...
A Sony M-100MC Voice-Activated Mic n' Micro Microcassette Recorder and a microcassette Microcassettes were sometimes also used for storing digital data. For the programmable calculators of the HP-41-series (from 1979, r.), there was a magnetic tape storage device. Microcassettes have mostly been used for recording voice.
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