Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent
1980-12-22
1983-12-27
Kemeny, Emanuel S.
Electrical audio signal processing systems and devices
Monitoring/measuring of audio devices
Loudspeaker operation
364513, 381104, G10L 100
Patent
active
044232900
ABSTRACT:
A noise-free speech synthesizer is disclosed which interrupts an audible output of synthesized sounds during the period of time where a sound waveform signal is at a relatively low level (amplitude), that is, a voiceless interval, a silent interval or a pitch control interval, wherein a reference level is established for the purpose of controlling pitch. Such low-level cut-off avoids the harsh click of sound cut-off.
REFERENCES:
patent: 4135590 (1979-01-01), Gaulder
patent: 4142066 (1979-02-01), Ahamed
patent: 4185169 (1980-01-01), Tanimoto et al.
patent: 4323730 (1982-04-01), Brown
Tsuda Hiroshi
Yoshida Hideo
Kemeny Emanuel S.
Sharp Kabushiki Kaisha
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