1. A mixed speech F0 estimation algorithm;de Cheveigné,1991
2. Enhancement of speech by adaptive filtering;Frazier,1976
3. A robust pseudo perceptual pitch estimator;Gu,1991
4. Measurement of pitch by subharmonic summation;Hermes;J. Acoust. Soc. Amer.,1988
5. Short-time Fourier transform;Nawab,1988