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I am trying to use the alignments generated by steps/nnet3/align.sh from my first chain model to train my next chain model (with the same data and model configuration). I want to investigate if better alignments have a noticeable impact on the WER.
Unfortunately, when creating a new tree, I get the error message "Alignments have wrong size X vs. Y".
Have I overlooked something when creating the alignments or can alignments of chain/nnet3 models not be used for training?
Many thanks!
The text was updated successfully, but these errors were encountered:
You may be able to fix this by setting --chain.alignment-subsampling-factor=1 to steps/nnet3/chain/train.py
it default to 3 which is necessary because GMM alignments are at 100 frames per second, not 33
I am trying to use the alignments generated by
steps/nnet3/align.sh
from my first chain model to train my next chain model (with the same data and model configuration). I want to investigate if better alignments have a noticeable impact on the WER.Unfortunately, when creating a new tree, I get the error message "Alignments have wrong size X vs. Y".
Have I overlooked something when creating the alignments or can alignments of chain/nnet3 models not be used for training?
Many thanks!
The text was updated successfully, but these errors were encountered: