Spectral-Matching Interpretation of Linear Prediction
Noise-Weighting
A TYPICAL "FRONT-END"
THE SIGNAL MODEL ("FRONT-END")

Spectral Modeling

Parametric Transform

Spectral Analysis

Spectral
Shaping

Time-Derivative

Time-Derivative

Cepstral Analysis

Fourier
Transform
second derivative
first
derivative
(rate of change)
absolute spectral measurements
energy
delta-energy
Putting It All Together