A physically-informed glottal model is proposed; some physical information is retained in a linear block that accounts for fold mechanics, while non-linear coupling with the airflow is modeled using a regressor-based mapping. The model is used in an identification/resynthesis scheme. Given a real signal, system parameters are estimated via non-linear identification techniques; then the model is used for resynthesizing the signal. With a proper choice of the regressor set the system accurately fits the target waveform and is stable during resynthesis. Physical parameters can be used to change voice quality and speaker identity.
Synthesis of the Voice Source Using a Physically-Informed Model of the Glottis
DRIOLI, Carlo;
2001-01-01
Abstract
A physically-informed glottal model is proposed; some physical information is retained in a linear block that accounts for fold mechanics, while non-linear coupling with the airflow is modeled using a regressor-based mapping. The model is used in an identification/resynthesis scheme. Given a real signal, system parameters are estimated via non-linear identification techniques; then the model is used for resynthesizing the signal. With a proper choice of the regressor set the system accurately fits the target waveform and is stable during resynthesis. Physical parameters can be used to change voice quality and speaker identity.File in questo prodotto:
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