A delta modulation is to designed to transmit the information of an analog waveform that has a peak amplitude of$1$ volt and a bandwidth of $3\mathrm{.}4$ K Hz$.$ Assume the waveform is to be transmitted over a channel whose frequency response is extremely poor above $1$ M Hz$.$

$10$ pts$.($a$)$ Select an appropriate step size & sampling rate for a sinewave test signal and discuss its performance.

$10$ pts$.($b$)$ If the DM system is to be used to transmit the information of a voice signal select appropriate step size where the sampling rate is $25$ k Hz$.$

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