A digitized TV picture is to be transmitted from a source that uses a matrix of

Question

A digitized TV picture is to be transmitted from a source that uses a matrix of 480 x 500 pixels, where each pixel can have one of 32 intensity values. Assume that 30 pictures are sent every second.

1) What is the data rate in units of bits/second that will be required to transmit this picture on a communications channel?

2)Given that this picture is to be transmitted over a noise-less CATV channel with a bandwidth of 6 MHz, will a signal set of QAM-64 be sufficient to achieve that data rate?

3)What is the signal-to-noise ratio in units of dB that will be required to transmit this picture on a noisy CATV channel with a bandwidth of 6 MHz?

Explanation / Answer

1) What is the data rate in units of bits/second that will be required to transmit this picture on a communications channel ===> 480*500*30*5bytes(per pixel.)

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