Low Level Speech Model for speech analysis, manipulation and synthesis.

LLSM is an extended Harmonic + Noise Model with turbulent noise modeling, shape-invariant phase preservation and a range of other techniques combined.

License: UIUC license

• Pantazis, Yannis, and Yannis Stylianou. "Improving the modeling of the noise part in the harmonic plus noise model of speech." Acoustics, Speech and Signal Processing, 2008. ICASSP 2008. IEEE International Conference on. IEEE, 2008.

• Röbel, Axel, and Xavier Rodet. "Efficient spectral envelope estimation and its application to pitch shifting and envelope preservation." Proc. DAFx. 2005.

• Serra, Xavier. "A system for sound analysis/transformation/synthesis based on a deterministic plus stochastic decomposition." Diss. Universitat Pompeu Fabra. 1989.

• Stylianou, Yannis. "Harmonic plus noise models for speech, combined with statistical methods, for speech and speaker modification." Diss. Ecole Nationale Supérieure des Télécommunications. 1996.