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Assume that you want to transfer HDTV video of 1000x2000x24 pixels at 30 frames/sec over a...

Assume that you want to transfer HDTV video of 1000x2000x24 pixels at 30 frames/sec over a network. Available bandwidth of the network is 200 Mbps. How much you must compress the video in order to be able to send it in real time? Calculate the compression ratio.

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Answer #1

Number of frames per second = 30

Each frame contains = (1000*2000*24) bits = 48*106 bits = 48 Megabits of data

So, the required bandwidth to transmit the video is = 48*30 Mbps = 1440 Mbps

Since the available bandwidth is 200 Mbps so we can not send this file in real time without compression.

The required minimum compression ratio will be 200:1440 or 1 : 7.2

We can also express the minimum compression ratio as ((200/1440)*100)% = 13.89%

Hope this helps.

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