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6 Μαρ 2024 · But when were CDs invented, and how do they actually work? In this article, we will explore the origins of the compact disc. We will also look at how CDs and CD drives work, while investigating what the future holds for this technology.
- How Solid-state Drives Work
Just $50,000, which works out to about $570,000 in 2024...
- How Solid-state Drives Work
12 Μαρ 2019 · Forty years ago the world got its first glimpse of what would become one of the most important music devices in history - the compact disc (CD). The CD was invented in 1979.
The story of the CD started way back in 1957 with experiments involving the rudimentary video disc by the Italian Antonio Rubbiani, that stimulated an entire generation of scientists to think along the lines of digital technology.
21 Ιουν 2013 · 1915: First 10-inch 78 rpm gramophone record introduced. 1922: The concept of time sampling in communication introduced by John Renshaw Carson. 1928: Technology used for today’s audio CDs proposed and proved in theory by Harry Nyquist, a Swedish physicist.
Following the pioneering work of Philips on an optical video player in the early 70's, a project was started in 1974 within Philips and its Research laboratories to develop a digital optical audio disk with error correction code.
In 1877 "Mary Had a Little Lamb" was recorded and played on Thomas Edison's first experimental talking machine called a phonograph. About one hundred years (1982) after Edison's introduction of the phonograph, two companies, Sony and Philips, marketed the first digital audio 5-inch compact disc (CD).
9 Μαρ 2019 · The first sample compact disc - better known as a CD - was created 40 years ago. How well have they stood the test of time?
