Fixed the issue of errors in fully silent sentences during evaluation. #1080
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
@yfyeung Could you help review this PR? |
csukuangfj
reviewed
May 22, 2023
egs/librispeech/ASR/pruned_transducer_stateless7_ctc_bs/frame_reducer.py
Outdated
Show resolved
Hide resolved
…reducer.py Co-authored-by: Fangjun Kuang <csukuangfj@gmail.com>
|
@drawfish Thanks for your suggestion. |
|
Shall we merge this? Do you have any other comments? |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
When recognizing, if a sentence is completely silent, blank skip will reduce all frame. Exception occurs:
Traceback (most recent call last):
File "/data/k2/icefall/egs/xxxx/Rework/./pruned_transducer_stateless7_ctc_bs/ctc_guide_decode_bs.py", line 847, in
main()
File "/data/k2/miniconda3/envs/k2-1080ti/lib/python3.9/site-packages/torch/autograd/grad_mode.py", line 27, in decorate_context
return func(*args, **kwargs)
File "/data/k2/icefall/egs/xxxx/Rework/./pruned_transducer_stateless7_ctc_bs/ctc_guide_decode_bs.py", line 828, in main
results_dict = decode_dataset(
File "/data/k2/icefall/egs/xxxx/Rework/./pruned_transducer_stateless7_ctc_bs/ctc_guide_decode_bs.py", line 571, in decode_dataset
hyps_dict = decode_one_batch(
File "/data/k2/icefall/egs/xxxx/Rework/./pruned_transducer_stateless7_ctc_bs/ctc_guide_decode_bs.py", line 464, in decode_one_batch
hyp_tokens = greedy_search_batch(
File "/data/k2/icefall/egs/xxxx/Rework/pruned_transducer_stateless7_ctc_bs/beam_search.py", line 633, in greedy_search_batch
packed_encoder_out = torch.nn.utils.rnn.pack_padded_sequence(
File "/data/k2/miniconda3/envs/k2-1080ti/lib/python3.9/site-packages/torch/nn/utils/rnn.py", line 262, in pack_padded_sequence
_VF._pack_padded_sequence(input, lengths, batch_first)
RuntimeError: Length of all samples has to be greater than 0, but found an element in 'lengths' that is <= 0
Add code to fix (ensure at least one frame exist after frame reduce).