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See also #1417
Fixes #1417
CC @codepubs @brekov
I think there is a bug in keyword spotting.
After the keyword is detected, the result.num_trailing_blanks of subsequent calls with
Decode()
is always 0.This PR resets the stream after detecting a keyword to avoid that (Users should call it manually).
Also, it resets the stream automatically after detecting 1.5 seconds of silence.