Question

A television screen contains 1080X860 Pixels (Picture Element). This screen refreshes at a rate of 30...

A television screen contains 1080X860 Pixels (Picture Element). This screen refreshes at a rate of 30 pages /sec. if the color of each of these RGB pixels is defined by 3 bytes.

How much is the needed transmission rate in bps in such a system?

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Answer #1

Question:

A television screen contains 1080X860 Pixels (Picture Element). This screen refreshes at a rate of 30 pages /sec. if the color of each of these RGB pixels is defined by 3 bytes.How much is the needed transmission rate in bps in such a system?

Sol:

Total number of pixels per frame in the television screen is 1080 x 860 = 928800 Pixels.

Each pixel is defined by 3 bytes of information.

Therefore bytes per frame= total number of pixels per frame x bytes per pixel = 928800 *3 Bytes = 2786400 Bytes

The screen refreshes at a rate of 30 pages /sec. So there is 30 frames per second.

Needed Transmission rate (bytes/sec) = number of bytes per frame x frames per second = 2786400 x 30 = 83592000 bytes per second = 79.72 megabytes per second

Needed Transmission rate in bps (bits/sec) = 637760000 bits per second

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