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[server][asr]more accuracy decoding somthing #2128

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merged 3 commits into from
Jul 12, 2022
Merged

[server][asr]more accuracy decoding somthing #2128

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98eed53
more accuracy decoding somthing
zh794390558 Jul 11, 2022
d142d3a
add docstring
zh794390558 Jul 11, 2022
1edf120
fix comment error
zh794390558 Jul 12, 2022
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2 changes: 2 additions & 0 deletions paddlespeech/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,3 +14,5 @@
import _locale

_locale._getdefaultlocale = (lambda *args: ['en_US', 'utf8'])


7 changes: 4 additions & 3 deletions paddlespeech/server/engine/asr/online/ctc_endpoint.py
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Expand Up @@ -39,10 +39,10 @@ class OnlineCTCEndpoingOpt:

# rule1 times out after 5 seconds of silence, even if we decoded nothing.
rule1: OnlineCTCEndpointRule = OnlineCTCEndpointRule(False, 5000, 0)
# rule4 times out after 1.0 seconds of silence after decoding something,
# rule2 times out after 1.0 seconds of silence after decoding something,
# even if we did not reach a final-state at all.
rule2: OnlineCTCEndpointRule = OnlineCTCEndpointRule(True, 1000, 0)
# rule5 times out after the utterance is 20 seconds long, regardless of
# rule3 times out after the utterance is 20 seconds long, regardless of
# anything else.
rule3: OnlineCTCEndpointRule = OnlineCTCEndpointRule(False, 0, 20000)

Expand Down Expand Up @@ -102,7 +102,8 @@ def endpoint_detected(self,

assert self.num_frames_decoded >= self.trailing_silence_frames
assert self.frame_shift_in_ms > 0


decoding_something = (self.num_frames_decoded > self.trailing_silence_frames) and decoding_something
utterance_length = self.num_frames_decoded * self.frame_shift_in_ms
trailing_silence = self.trailing_silence_frames * self.frame_shift_in_ms

Expand Down