Subject: Speech Processing

Topic: Speech Analysis in Time Domain

Difficulty: High

(i) Median smoothing is used for removing noise present in the signals.

(ii) These filters basically remove noise by averaging the neighbourhood values of the signal.

(iii) Properties of running medians: Running medians of length L

a) ML ($\alpha$ x[n]) = $\alpha$ ML(x[n])

b) Medians are basically statistical operators that …