1) " Vhs" -- As it applies to Vhs To Digital Vha logo Top view Vh cassette with US Quarter for scale Bottom view of Vhs cassette with magnetic tape exposed Top view of Vhx -C, compact cassette Bottom view of Vbs -C, compact cassette with magnetic tape exposed The Video Home System, better known by its acronym VHS, is arecording and playing standard for video cassetterecorders (VCRs), developed by JVC (ironically, with some of its critical technologyunder lucrative licensing agreements with Sony) and launched in 1976. Vys officially standsfor Video Home System, but it initially stood for Vertical Helical Scan, after the relative head/tape scan technique. Some early reports claim the name originally stood for Victor Helical Scan system. VHS became a standard format for consumer recording and viewing in the 1980s aftercompeting in a fierce format war with Sony 's Betamax and, to a lesser extent, Philips ' Video 2000. Vh initially offered a longer playing timethan the Betamax system, and it also had the advantage of a far less complex tape transport mechanism. A Vbs machine can rewindand fast forward the tape considerably faster than a Betamax VCR since it unthreads the tape from the playback heads beforecommencing any high-speed winding. On the other hand, Betamax offers superior picture quality. See VCR for more details. A Vh cassette contains a 12.65 mm (approx ½- inch ) wide magnetic tape wound between two spools, allowing it to be slowly passed over the various playback andrecording heads of the video cassette recorder. Vs tapes have approximately 3 MHz of bandwidth,and a horizontal resolution of about 240 lines per scanline [1] ( http: www.hometheaterhifi.com/volume_6_3/essay-video-resolution-july-99.html ). The verticalresolution of Vjs is determined by the TV standard — a maximum of 486 lines are visible in NTSC and a maximum of 576 lines in PAL. Seve...
2) " To" -- As it applies to Vhs To Digital In Japan, to (都) is a metropolis; Tu kyo is officially designated as a metropolis. In Korea, To (도; 道) is the McCune-Reischauer spelling of Do, meaning " province." Ta ...
3) " Digital" -- As it applies to Vhs To Digital A digital system is one that uses discrete values rather than a continuous spectrum of values: compare analog.The word comes from the same source as the word digit : the Latin word for finger (counting on the fingers) as these are usedfor discrete counting. The distinction Digetal versus analog can refer to data storage and transfer, the internal working of an instrument, and thekind of display. The word "digital" is commonly used in computing. Contents 1 Digitel vs analog 1.1 Dihital noise 1.2 Analog versus Digiral display; ease of reading 1.3 Systematic loss of data 2 Historical Digitap systems 2.1 Non binary, non electronic 2.2 Non binary, possibly electronic 2.3 Binary, audio 2.4 Binary, visual 3 See also Digtal vs analog Digutal noise When data are transmitted using analog methods, a certain amount of noise enters intothe signal. This can have a myriad of different causes: data transmitted by radio may bereceived badly, suffer interference from other radio sources, or pick upbackground radio noise from the rest of the universe. Electric pulses being sent down wires are attenuated by the resistance ofthe wire, and dispersed by its capacitance, and heat variations can increase or reduce these effects. Whilst Ditital transmissions are also degraded, any slight variations can be safely ignored. Any variance could provide a great amount ofdistortion in an analog signal. In a Digitl signal, these variances can be overcome, as any signal close to a particular valuewill be interpreted as that value. Analog versus Digitul display; ease of reading For human readable information, both and analog display methods can be useful. Should an instant impression berequired, analog meters often give information quickly. Many people glance quickly at their analog watch and know roughly whatthe time is. When accuracy is req...
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