Q. In non uniform quantization, the quantization noise is _______ to signal size.

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Q. The output SNR can be made independent of input signal level by using

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Q. Companding is the process of

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Q. Which value of μ corresponds to linear amplification?

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Q. What is the standard value of μ in μ-law ?

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Q. The standard value of A in A-law is

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Q. Which type of quantization is most preferable for audio signals for a human ear?

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Q. Which waveforms are also called as line codes?

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Q. When pulse code modulation is applied to non binary symbols we obtain waveform called as

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Q. Examples of PCM waveforms are

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Q. Which type is used and preferred in digital logic circuits?

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Q. Which method is called as differential encoding?

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Q. Which method is preferred in magnetic tape recording?

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Q. NRZ-S is complement of _______

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Q. The return to zero waveform consists of

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Q. Phase encoded group consists of

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Q. In which waveform logic 1 is represented by half bit wide pulse and logic 0 is represented by absence of pulse?

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Q. In which waveform logic 1 and logic 0 are represented by opposite one half bit wide pulses?

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Q. In which waveform logic 1 is represented by equal amplitude alternating pulses?

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Q. Application of phase encoded binary signals are

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