Yiming Wang

@pzelasko I just drafted a data prep script in the file examples/mobvoihotwords/local/data_prep.py. I just would like to double-check with you whether I did everything correctly and efficiently. Basically I want...

Thanks for the helpful comments! There are still additional steps for data preprocessing to been done before features extraction (additive noise and split the recordings). I will try the distributed...

@danpovey Please take a look at just the last commit in this PR related to LF-MMI training. I constructed all the phone HMMs (to be unioned together as H) and...

@danpovey I have resolved all the issues so far in the latest commit. Can you please look at `run.sh` and `local/generate_graphs.py` to see if they are correct. Also, the two...

@danpovey The Fst related files are generate_graphs.py, k2_lf_mmi_loss.py, and run.sh

> And also is it log or tropical semiring? > […](#) > On Tue, Nov 17, 2020 at 2:18 PM Daniel Povey ***@***.***> wrote: Thanks. Would you mind getting a...

> > And also is it log or tropical semiring? > > […](#) > > On Tue, Nov 17, 2020 at 2:18 PM Daniel Povey _**@**_._**> wrote: Thanks. Would you...

> Sign change is expected. Please show python stack trace I use `python3 -m pdb train.py ....` but the program abort from pdb environment without stack trace. How can I...

[F] /home/ywang/fairseq4/espresso/tools/k2/k2/csrc/fsa_utils.cu:GetArcScores:1463 Check failed: num_states == forward_scores.Dim() (47096 vs. 14336) Fatal Python error: Aborted Current thread 0x00002ba95c097700 (most recent call first): File "/export/b03/ywang/anaconda3/lib/python3.8/site-packages/k2/autograd.py", line 90 in backward File "/export/b03/ywang/anaconda3/lib/python3.8/site-packages/torch/autograd/function.py", line...

I may find the cause (not 100% sure): `fsa = k2.linear_fsa([[2],[2],[2]])` `print(fsa)` it gives an error: `k2/k2/csrc/fsa_utils.cu:FsaToString:516 Check failed: fsa.NumAxes() == 2 (3 vs. 2)` maybe @csukuangfj or @danpovey would...