Method of communicating digital speech data and a memory for storing such data
Patent 4234761 Issued on November 18, 1980. Estimated Expiration Date: 
June 19, 1998. 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.
June 19, 1998. 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 3638007 Spectrum analyzer having means for transient signal analysis Announcement generating arrangement utilizing digitally stored speech representations Voice synthesizer Patent #: 4163120 InventorsAssigneeApplicationNo. 05/916989 filed on 06/19/1978US Classes:704/258, Synthesis365/45, ANALOG STORAGE SYSTEMS370/202, AMPLITUDE COMPRESSION OR EXPANSION704/270ApplicationExaminersPrimary: Fears, Terrell W.Attorney, Agent or FirmInternational ClassesH04B 1/66 (20060101)H03M 7/42 (20060101) AbstractA method of communicating Digital Speech Data to a speech synthesis circuit. The data is compressed to on the order of 1000-1200 bits, per second for normal human speech. The speech synthesis circuit utilizes linear predictive coding techniques for producing high quality speech or other sounds.The data is preferably stored in a memory which is coupled to the speech synthesis circuit. The data has variable frame lengths; in the disclosed embodiment, four different frame lengths are described having frame lengths from four bits to forty-nine bits. The memory stores the variable frame length data and communicates the same to the speech synthesis circuit in response to certain control signals. | |
