Nepabeigtā dienasgrāmata


7. Aprīlis 2006

(bez virsraksta) @ 09:40

 

Comments

 
[User Picture Icon]
From:[info]kemune
Date: 7. Aprīlis 2006 - 10:26
(Link)
In the early 1970s, using video Laserdisc technology, Philips' researchers started experiments with "audio-only" optical discs, initially with wideband frequency modulation FM and later digitized PCM audio signals. At the end of the 1970s, Philips, Sony, and other companies presented prototypes of digital audio discs.

Nepabeigtā dienasgrāmata