Speech recognition system with delayed output

Details Speech recognition system with delayed output Speech recognition system with delayed output

1977-05-26

1979-06-19

Claffy, Kathleen H.

G10L 100

Patent

active

041587502

ABSTRACT:
In a speech recognition system of the type including a recognition unit responsive to a voice input and a conditioning input for recognizing the voice input to produce a recognition output, a start signal is produced whenever a voice input exceeds a threshold level and a pause interval detection signal is produced whenever a voice input falls below a threshold level. An output timing signal is produced when the detection signal lasts a preselected interval of time that may be either about 250 milliseconds or about 250 milliseconds plus a delay. The recognition output from the recognition unit produced in response to the detection signal is displayed in response also to the detection signal. The result is delivered to a utilization device in response to the output timing signal. The delay may be given either by a predetermined duration or an interval between those instants at which the above-mentioned 250 milliseconds have just elapsed after production of the detection signal and after production of another pause interval detection signal for a next following voice input. During the delay, it is possible either by a manually operable switch or a cancel voice input to cancel delivery of the recognition result displayed to be incorrect.

REFERENCES:
patent: 3553372 (1971-01-01), Wright et al.
patent: 4032710 (1977-06-01), Martin et al.
G. Clapper, "Interlocks for Connected-Word Recognition System," IBM Tech. Discl. Bull., Aug. 1970.

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