Subject: Speech Processing

Topic: Speech Analysis in Time Domain

Difficulty: Medium

Why do we consider short time representation of speech signals? What do you mean by windowing? Explain the concept of short time speech processing with suitable general block diagram.

(i) Analyzing speech in the time domain has the advantage of simplicity in calculation and physical interpretation.

(ii) Several speech feature relevant for coding and recognition occur in temporal analysis e.g. energy (or amplitude), voicing and fo.

(iii) Energy can be used segment speech in automatic recognition systems, and must …