Integrated processing unit, particularly for connected speech re

Details Integrated processing unit, particularly for connected speech re Integrated processing unit, particularly for connected speech re

1988-06-27

1990-03-06

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

3645135, G01L 500

Patent

active

049072781

ABSTRACT:
This connected-speech recognition system uses a two-level hierarchical system, in which the higher-level (master) processor and one or more lower-level units (slaves) process, respectively, the most probably word sequence within a permitted grammar network, and the likelihood of individual words with the grammar network. The lower-level processing performs dynamic programming involving vector and matrix calculation and comparison, and processing speed is improved by an integrated processing unit which has simultaneous access to the external data memory as well as to a high-speed internal microinstruction ROM. One of the aforementioned units can also provide for performing an additional internal test function. The structure features two internal data buses and internal memories for more commonly used data and addresses, for enabling high-speed microinstruction performance and external memory access. The external memory is divided into tables differing structurally but such as to be accessed in uniform manner by the internal addressing unit.

REFERENCES:
patent: 4713778 (1987-12-01), Baker
patent: 4720864 (1988-01-01), Tajima et al.
patent: 4776016 (1988-10-01), Hanson

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