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The earliest known audio tape recorder was a non-magnetic, non-electric version invented by Alexander Graham Bell's Volta Laboratory and patented in 1886 (U.S. patent 341,214). It employed a 3 ⁄ 16 -inch-wide (4.8 mm) strip of wax-covered paper that was coated by dipping it in a solution of beeswax and paraffin and then had one side scraped ...
A Bigston-based 410 Program Recorder, the first model sold. The Day-Glo orange sticker inside the tape area makes the tape position more visible. A Chelco-based 410, the first widespread version of the Program Recorder The 1010 was smaller than the 410 models and added a power LED. The XC12 was the last of the line.
The files generated with digital recorders vary in size, depending on the manufacturer and the format the user chooses. The most common file formats that digital recorders generate have one of the extensions WAV, WMA and MP3. Many dictation machines record in the DSS and DS2 format. Dictation audio can be recorded in various audio file formats.
Not all video tape recorders use a cassette to contain the videotape. Early models of consumer video tape recorders , and most professional broadcast analog videotape machines (e.g. 1-inch Type C) use reel to reel tape spools. The history of the videocassette recorder follows the history of videotape recording in general.
MII is a professional analog recording videocassette format developed by Panasonic in 1986 in competition with Sony's Betacam SP format. It was technically similar to Betacam SP, using metal-formulated tape loaded in the cassette, and utilizing component video recording.
"VCR"-format cassettes in case (left) and on own (right). A full-size CD is shown for scale. Size comparison between a Betamax cassette (top) and a VHS cassette (bottom) The videotape format war was a period of competition or "format war" of incompatible models of consumer-level analog video videocassette and video cassette recorders (VCR) in the late 1970s and the 1980s, mainly involving the ...