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Title: US5774854: Text to speech system
[ Derwent Title ]

Country: US United States of America

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10 pages

Inventor: Sharman, Richard Anthony; Southampton, United Kingdom

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 1998-06-30 / 1994-11-22

Application Number: US1994000343304

IPC Code: Advanced: G06F 3/16; G10L 13/00; G10L 13/08; G10L 13/04;
IPC-7: G10L 5/02; G10L 9/00;

ECLA Code: G10L13/08; S10L13/04; S10L13/08;

U.S. Class: Current: 704/260; 704/268; 704/E13.011; 709/203;
Original: 704/260; 704/268; 395/200.33;

Field of Search: 395/2.69,495,496,872,467,200 381/052

Priority Number:
1994-07-19  GB1994000014539

Abstract:     The text to speech (TTS) system comprises two main components, a linguistic processor and an acoustic processor. The former is responsible for receiving an input text, and breaking it down into a sequence of phonemes. Each phoneme is assigned a duration and pitch. The acoustic processor is then responsible for reproducing the phonemes, and concatenating them into the desired acoustic output. The TTS system is driven from the output in that the linguistic processor does not operate until it receives a request from the acoustic processor for input. This request, and a return message that it can now be satisfied, are routed via a process dispatcher. By driving the system from the output, the system can be accurately halted in the event that the acoustic output needs to be interrupted.

Primary / Asst. Examiners: Hudspeth, David R.; Edduard, Patrick N.

Maintenance Status: E2 Expired  Check current status

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Designated Country: DE FR GB 

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First Claim:
Show all 9 claims
I claim:     1. A text to speech (TTS) system for converting input text into an output acoustic signal simulating natural speech, the text to speech system comprising: a linguistic processor for generating a listing of speech segments plus associated parameters from the input text, and an acoustic processor for generating the output acoustic waveform from said listing of speech segments plus associated parameters;
  • said system being characterized in that it is output driven, wherein the acoustic processor sends a request to the linguistic processor whenever it needs to obtain a further listing of speech segments plus associated parameters, the linguistic processor processing input text in response to such requests.

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Forward References: Show 50 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (50)   |   Backward references (7)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 70pp US4672535  1987-06 Katzman et al.  Tandem Computers Incorporated Multiprocessor system
Get PDF - 6pp US4754485  1988-06 Klatt  Digital Equipment Corporation Digital processor for use in a text to speech system
Get PDF - 6pp US4961132  1990-10 Uehara  NEC Corporation System for processing communications among central processing units
Get PDF - 25pp US5167035  1992-11 Mann et al.  Digital Equipment Corporation Transferring messages between nodes in a network
Get PDF - 18pp US5179699  1993-01 Iyer et al.  International Business Machines Corporation Partitioning of sorted lists for multiprocessors sort and merge
Get PDF - 64pp US5329619  1994-07 Page et al.  Software AG Cooperative processing interface and communication broker for heterogeneous computing environments
Get PDF - 8pp US5396577  1995-03 Oikawa et al.  Sony Corporation Speech synthesis apparatus for rapid speed reading
Foreign References:
Publication Date IPC Code Assignee   Title
Get PDF - 16pp EP0582377A2 1994-02  G10L 5/02 IBM Speech Synthesis 

Other Abstract Info: DERABS G96-060477

Other References:
  • European Search Report, EP 95 30 1164, Aug. 21, 1997.
  • Higuchi et al., "A Portable Text-To-Speech System Using A Pocket-Sized Formant Speech Synthesizer", IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. 76A, No. 11, Nov. 1, 1993, pp. 1981-1989.

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