ERROR (online-wav-gmm-decode-faster[5.4.122~1-08012]:OnlineLdaInput():online-feat-input.cc:209) Invalid parameters supplied to OnlineLdaInput

[zczha...@gmail.com]

Hi, 

I'm trying to do an online decoding for aishell model, however, it occurs the following error:

online-wav-gmm-decode-faster --verbose=1 --rt-min=0.8 --rt-max=0.85 --max-active=4000 --beam=12.0 --acoustic-scale=0.0769 --left-context=3 --right-context=3 scp:./work/input.scp online-data/models/tri3a/final.mdl online-data/models/tri3a/HCLG.fst online-data/models/tri3a/words.txt 1:2:3:4:5 ark,t:./work/trans.txt ark,t:./work/ali.txt online-data/models/tri3a/12.mat 

File: 220

ERROR (online-wav-gmm-decode-faster[5.4.122~1-08012]:OnlineLdaInput():online-feat-input.cc:209) Invalid parameters supplied to OnlineLdaInput

[ Stack-Trace: ]

online-wav-gmm-decode-faster() [0x8ace68]

kaldi::MessageLogger::HandleMessage(kaldi::LogMessageEnvelope const&, char const*)

kaldi::MessageLogger::~MessageLogger()

kaldi::OnlineLdaInput::OnlineLdaInput(kaldi::OnlineFeatInputItf*, kaldi::Matrix<float> const&, int, int)

main

__libc_start_main

_start

The online decoding file I was using is online-wav-gmm-decode-faster from src/onlinebin

I have successfully online-decoding with the model of tri1 and tri2, but it's not work for tri3a, just as the error shown above.

What's wrong with my online-decoding? Any suggestions for me?

Thanks

Zhang

[Daniel Povey]

It looks to me like the aishell model is built with left-context and
right-context of 4 (which are the defaults), while you seem to be
specifying 3.

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