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Multi-user speech recognition system

  • US 4,922,538 A
  • Filed: 02/05/1988
  • Issued: 05/01/1990
  • Est. Priority Date: 02/10/1987
  • Status: Expired due to Term
First Claim
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1. A speech recognition system comprising:

  • a plurality of user terminals connected to a plurality of single-speaker dependent speech recognisers, there being a smaller number of speech recognisers than there are user terminals,the speech recognisers being arranged such that, when a user terminal is activated, one of the recognisers is assigned to deal with voiced instructions input via that user terminal;

    a database containing respective single-speaker dependent templates for each of the user terminals, the database being arranged, in use, to send a copy of one of said templates corresponding to a particular user terminal to a recogniser assigned to deal with instructions input via that user terminal; and

    control means connected to the speech recognisers and arranged, in use, to control the transfer of copies of templates from the database to the recognisers;

    wherein the control means is arranged, in use, to receive a request for a copy of one of said templates from one of the recognisers, and to instruct the database to send a complete copy of the requested template without interruption by another such request from another terminal.

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