Q. Which of the following is not a property that is utilized in coder design?

View solution

Q. Speech waveforms are _______

View solution

Q. Which of the following is not a property of pdf of speech signals?

View solution

Q. Auto correlation function measures______ between samples of a speech signal as a function of _______

View solution

Q. Power spectral density of speech is flat.

View solution

Q. Spectral flatness measure is the ratio of ______ and _____

View solution

Q. Low frequency signals contribute very little to the total speech signals.

View solution

Q. Quantization is a process of mapping a ________ range of amplitude of a signal into a finite set of __________ amplitudes.

View solution

Q. For a n bit quantizer, number of levels is equal to __________

View solution

Q. Distortion produced by quantization is directly proportion to ________ and inversely proportional to ______

View solution

Q. Signal to quantization noise ratio of a PCM encoder is given by _________

View solution

Q. Companding technique used in the US is called ____________

View solution

Q. An adaptive quantizer varies its ___________ in accordance to input speech signal power.

View solution

Q. Shannon predicted that better performance can be achieved by coding one sample at a time.

View solution

Q. ________ is a delayed decision coding technique.

View solution

Q. The characteristics of compressor in μ-law companding are _________

View solution

Q. What is the sequence of operations in PCM?

View solution

Q. In Adaptive Delta Modulation, the slope error reduces and ___________

View solution

Q. Frequency domain coders divides the speech signal into __________

View solution

Q. In frequency domain coding of speech, the number of bits used to encode each frequency component is constant.

View solution