Formant extraction from group delay function

Chirp group delay analysis of speech signals

Speech Communication

Significance of joint features derived from the modified group delay function in speech processing

EURASIP Journal on Audio, Speech, and Music Processing

Minimum-phase parts of zero-phase sequences

Signal Processing

Spectral analysis of speech signals using chirp group delay

Progress in nonlinear speech processing

Robustness of group delay representations for noisy speech signals

International Journal of Speech Technology

Expressive speech synthesis: a review

International Journal of Speech Technology