Patent ID: 11967334
Assignee: SIVANTOS PTE. LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 5:
6. The method according to claim 1, which comprises:
for the quantitative measure of the speech quality as the articulatory property of the speech signal, acquiring at least one of:
a characteristic variable correlated with a precision of predefined formants of vowels in the speech signal;
a characteristic variable correlated with a dominance of consonants in the speech signal; or
a characteristic variable correlated with a precision of transitions from voiced and unvoiced sounds;

and/or:
for the quantitative measure as the prosodic feature of the speech signal, acquiring at least one of:
a characteristic variable correlated with a temporal stability of a fundamental frequency of the speech signal; or
a characteristic variable correlated with an acoustic intensity of accents of the speech signal.