united states-patent [1'91
TRANSCRIPT
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United States-Patent [1'91
U.S. PATENT DOCUMENTS 3,761,613 9/1973 Limb .......................... .. l79/l5.55R
' f 4,064,554 12/1977 Tubbs . . . . . . . . . . . .. 364/200
4,167,700 9/1979 Coe et a1. . l79/l.5 R V . 4,228,321 10/1980 Flanagan ........................ .. 1,79/l.5 S‘
INSTRUCTION DECODER
[11] 4,323,732 Wiggins et a1. [45] Apr. 6, 1982
[54] SPEECH SYNTHESIS SYSTEM WITH 4,230,906 10/1980 Davis .............................. .. 179/1 SA ALTERNATIVE CODED OR UNCODED PARAMETER FORMATS r I OTHER PUBLICATIONS I
‘[75] Inventors: Richard H. Wiggins, Dallas; Alva E. R' smnh’ Baudot to ASCII ’ RladlouElectromcs’ Apr‘ Henderson Lubbock both of Tex 1976’ pp‘ 57-59’ 82’ 83’ 86' ~
' ‘ ’ ’ ' E. Leefsma, “Morse Decoder”, Elektor (England), [73] Assignee: Texas Instruments Incorporated, Man 1977, pp 43_51_
' Dallas, Tex. ‘ v
, ' Primary Examiner—Mark E. Nusbaum [21] Appl' No‘ 118,367 Assistant Examiner—E. S. Kemeny . [22] Filed: ‘Feb. 4, 1980 , Attorney, Agent, or Firm-—William E. Hiller; Melvin
P Sharp; James T. Comfort . [51] Int. Cl.3 ....................................... ., ..... .. G10L 1/00
[52] US. Cl. .................... ,. 179/1 SM; 179/ 15.55 R [57] ‘ ABSTRACT
[58] Field “1332c? 7%ISE'LTIIf g‘lgg’é'ijllz)’ Speech parameter signals may be coded to consist of ' ~’ ' ’ ' ’ fewer bits for data reduction in memory. In this system
[56] “References Cited both coded and uncoded signals are stored with an associated control signal which controls selection of corresponding direct or decoder circuit coupling of memory output to a speech synthesizer.
6 Claims, 35 Drawing Figures
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l - .42\,_ ADDRESS
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PARAMETER‘ ROM
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U.S. Patent Apr. 6, 1982 Sheet 1 of 30 4,323,732
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US. Patent Apr. 6, 1982
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Sheet 2 0f 30 4,323,732
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U.S. Patent Apr. 6, 1982 Sheet 3 of 30 4,323,732
AR/RAY ' RE(COD|N PARAMETER ‘ MULTlPLlER/ i ‘ L GIC _G
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U.S. Patent Apr. 6, 1982 Sheet 5 of 30 4,323,732
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US. Patent Apr. 6, 1982 Sheet 6 of 30 4,323,732
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US. Patent Apr. 6, 1982 Sheet 8 of 30 4,323,732
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U.S. Patent Apr. 6, 1982 Sheet 9 of 30 4,323,732
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Sheet 12 of 30 4,323,732
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US. Patent Apr. 6, 1982 Sheet 13 of 30 4,323,732
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US. Patent Apr. 6, 1982 Sheet 15 of 30‘ 4,323,732
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US. Patent Apr. 6, 1982 Sheet 16 of 30
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U.S. Patent Apr. 6, 1982 Sheet 17 of 30 4,323,732
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US Patent Apr. 6, 1982 Sheet 18 of 30 4,323,732
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U.S. Patent Apr. 6, 1982 Sheet 19 of 30 4,323,732
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