Voice synthesizer with automatic pitch and speech rate modulation
Patent 4470150 Issued on September 4, 1984. Estimated Expiration Date: 
March 18, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 18, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3704345 3836717 3892919 3908085 Voice synthesizer Voice synthesizer Digital speech synthesizer having an analog delay line vocal tract Method of and device for synthesis of speech from printed text Patent #: 4278838 InventorAssigneeApplicationNo. 06/359595 filed on 03/18/1982US Classes:704/261, Vocal tract model704/268Frequency elementExaminersPrimary: Kemeny, E. S.Attorney, Agent or FirmAbstractUnderstandability of synthesized speech is improved by random modulation: after a predetermined number of phonemes, the speech rate is changed by a random amount, with proportional changes in pitch and phoneme transition rate. | |
