# Answer to Question #55283 in Other Engineering for Radhika

Question #55283

In a satellite radio system, 64 stations of stereo quality make one data stream. For each station, two (left and right) signals of bandwidth 20 kHz are sampled, quantized, and binary-coded into PCM signals. The transmitter must multiplex the data from the 64 stations into a single stream via time multiplexing.

(a). If the maximum acceptable quantization error in sample amplitudes is 0.025% of the peak signal voltage, find the minimum number of bits needed for a uniform quantizer.

(b). If the sampling rate must be 30% higher than the Nyquist rate, find the minimum bit rate of the multiplexed data stream based on the quantizer of part (a).

(a). If the maximum acceptable quantization error in sample amplitudes is 0.025% of the peak signal voltage, find the minimum number of bits needed for a uniform quantizer.

(b). If the sampling rate must be 30% higher than the Nyquist rate, find the minimum bit rate of the multiplexed data stream based on the quantizer of part (a).

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