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What was the invention in the earlly 20th century that gave TV and computers richer sounds and cleaner pictures?
Wiki User
∙ 11y ago
That invention would be Hi-def, increasing the fidelity of sound (from stereo [2 channel] to surround [6 channel]) and increasing the video resolution from 360 vertical lines to 720 or 1080
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoPopcorn
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