Voice messaging system with voice activated prompt interrupt
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United States of America Patent
Stats
-
Oct 13, 1992
Grant Date -
N/A
app pub date -
Jun 26, 1991
filing date -
Jun 26, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An arrangement providing voice activated prompt interrupt for a voice messaging system. The exemplary apparatus includes a telephone line interface, a memory device, a processor, a prompting device and a recording device. Once a call is established at the interface, the processor causes the prompt to be played and simultaneously the incoming signal to be sampled. An echo estimate is determined, subtracted from the incoming signal and a determination is made if incoming speech is detected. If incoming speech is detected, the prompt is stopped and the buffered incoming signal is directed to the recording device.
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