Speech Processing Basics

Vocal tract modeling, LPC.

Darshan N
Updated: 19 March 2026
12 min read

Speech Processing Quiz

Test your knowledge of vocal tract modeling and linear predictive coding fundamentals.

Question 1 of 3

Q1.In Linear Predictive Coding (LPC), the vocal tract is modeled as an all-pole filter of the form H(z) = G / A(z). The prediction order p for telephone-quality speech is typically: