US3588353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speech synthesizer utilizing timewise truncation of adjacent phonemes to provide smooth formant transition
Assignee: RCA Corp
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Filing: 1968-02-26
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Granted: 1971-06-28
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Expires: 1988-02-26
Abstract
Abstract A METHOD OF AND APPARATUS FOR SYNTHESIZING SPEECH FROM PHONEMES ARE DESCRIBED. THE SMOOTH TRANSITION OF ONE PHONEME INTO THE NEXT IS ACCOMPLISHED BY A TIMEWISE TRUNCATION OF THE END OF THE LEADING PHONEME AND OF THE BEGINNING OF THE FOLLOWING PHONEME SO THAT THE FORMANTS ARE CONTINUOUS OVER THE JUNCTION. THE APPARATUS DESCRIBED STORES PHONEMES IN EITHER A DIGITAL OR AN ANALOG MANNER TO PERMIT THIER RETRIEVAL, STARTING AND STOPPING THE RETRIEVAL SO THAT THE DESIRED TRUNCATION IS ACHIEVED. THE INVENTION HEREIN DESCRIBED WAS MADE IN THE COURSE OF OR UNDER A CONTRACT OR SUBCONTRACT THEREUNDER WITH THE DEPARTMENT OF THE AIR
Inventors
- 👤 Thomas B Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:07
CPC Classifications
G; G10; G10L; G10L13/00; G10L13/06; G10L13/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |