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Collectors traditionally reserve the term picture disc for records with graphics that extend at least partly into the actual playable grooved area, distinguishing them from picture label discs, which have a specially illustrated and sometimes very large label, and picture back discs, which are illustrated on one unplayable side only.
An early analogue optical disc system existed in 1935, used on Welte's Lichttonorgel sampling organ. [15] An early analog optical disc used for video recording was invented by David Paul Gregg in 1958 [16] and patented in the US in 1961 and 1969. This form of optical disc was a very early form of the DVD (U.S. patent 3,430,966).
In the history of optical storage media there have been and there are different optical disc formats with different data writing/reading speeds.. Original CD-ROM drives could read data at about 150 kB/s, 1× constant angular velocity (CAV), [1] the same speed of compact disc players without buffering.
Optical storage in the form of discs grants the ability to record onto a compact disc in real time. Compact discs held many advantages over audio tape players, such as higher sound quality and the ability to play back digital sound. [4] Optical storage also gained importance for its green qualities and its efficiency with high energies. [5]
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You've started 2025 right: You're exercising daily, meeting your step goals and eating healthy. Looking for something else to bump up your health game? Consider adding apple cider vinegar to your ...
Republicans who control the U.S. House of Representatives are trying to overcome internal differences on how to pay for President Donald Trump's sweeping tax cuts, with hardline conservatives ...
Kodak Photo CD and packaging. Photo CD is a system designed by Kodak for digitizing and saving photos onto a CD. Launched in 1991, [1] the discs were designed to hold nearly 100 high quality images, scanned prints and slides using special proprietary encoding.