speaker verification plda scoring error

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Raman Sai

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Nov 6, 2020, 7:19:37 AM11/6/20
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hi dan , david

am performing speaker verification with custom data and gone through voxceleb/v2 and ran necessary steps (  stage 1,  stage 4,  stage 5,  stage 6 (train dnn) ,  stage 9 (extract the x vector ) , stage 10 (computing mean vec, lda, plda))  but while i am at stage 11 (predictions) i am facing error   below it the command i am running 

$train_cmd exp/scores/log/voxceleb1_test_scoring.log \
    ivector-plda-scoring --normalize-length=true \
    "ivector-copy-plda --smoothing=0.0 exp/xvector_nnet_1a/xvectors_train/plda - |" \
    "ark:ivector-subtract-global-mean exp/xvector_nnet_1a/xvectors_train/mean.vec scp:exp/xvector_nnet_1a/xvectors_test/xvector.scp ark:- | transform-vec exp/xvector_nnet_1a/xvectors_train/transform.mat ark:- ark:- | ivector-normalize-length ark:- ark:- |" \
    "ark:ivector-subtract-global-mean exp/xvector_nnet_1a/xvectors_train/mean.vec scp:exp/xvector_nnet_1a/xvectors_test/xvector.scp ark:- | transform-vec exp/xvector_nnet_1a/xvectors_train/transform.mat ark:- ark:- | ivector-normalize-length ark:- ark:- |" \
    "cat '$voxceleb1_trials' | cut -d\  --fields=1,2 |" exp/scores_voxceleb1_test 

and i am also sharing log file , please help me to sort out this 


thank you 
raman
voxceleb1_test_scoring.log

Daniel Povey

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Nov 6, 2020, 8:52:58 AM11/6/20
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A lot of people seem to get this error.
I think it probably arises  from a misunderstanding of what the trials file is supposed to contain (should be pairs of utterances, I think).

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Raman Sai

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Nov 7, 2020, 12:09:42 AM11/7/20
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hi dan,

thanks for reply 
i am sharing my trials file if any thing wrong please suggest me 

thanks 
raman

venkat_26-0000987-0001401 venkat_26 target
venkat_26-0000987-0001401 venkat_27 nontarget
venkat_26-0004203-0004831 venkat_26 target
venkat_26-0004203-0004831 venkat_27 nontarget
venkat_26-0004838-0005269 venkat_26 target
venkat_26-0004838-0005269 venkat_27 nontarget
venkat_26-0005294-0006040 venkat_26 target
venkat_26-0005294-0006040 venkat_27 nontarget
venkat_26-0006670-0007107 venkat_26 target
venkat_26-0006670-0007107 venkat_27 nontarget
venkat_26-0008451-0008863 venkat_26 target
venkat_26-0008451-0008863 venkat_27 nontarget
venkat_26-0009964-0010442 venkat_26 target
venkat_26-0009964-0010442 venkat_27 nontarget
venkat_26-0011366-0011825 venkat_26 target
venkat_26-0011366-0011825 venkat_27 nontarget
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venkat_26-0012008-0012566 venkat_27 nontarget
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venkat_26-0031553-0032495 venkat_27 nontarget
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venkat_26-0037439-0037928 venkat_27 nontarget
venkat_26-0039902-0040378 venkat_26 target
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venkat_26-0042271-0042958 venkat_27 nontarget
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venkat_27-0011951-0012463 venkat_27 target
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venkat_27-0012465-0012885 venkat_27 target
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venkat_27-0018986-0019677 venkat_27 target
venkat_27-0019677-0020091 venkat_26 nontarget
venkat_27-0019677-0020091 venkat_27 target
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venkat_27-0022499-0023355 venkat_27 target
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venkat_27-0026661-0027180 venkat_26 nontarget
venkat_27-0026661-0027180 venkat_27 target
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venkat_27-0027188-0027908 venkat_27 target
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venkat_27-0032695-0033110 venkat_27 target
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venkat_27-0033168-0033886 venkat_27 target
venkat_27-0034706-0035211 venkat_26 nontarget
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venkat_27-0044249-0044654 venkat_27 target
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venkat_27-0044654-0045105 venkat_27 target
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venkat_27-0063799-0064680 venkat_27 target

Daniel Povey

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Nov 7, 2020, 12:25:39 AM11/7/20
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It looks like the 2nd element of each of your trials is a speaker, but you are giving per-utternace statistics to ivector-plda-scoring.
You should proabably be testing utterance vs. utterance.  It wouldn't make sense to compare utterance with the pooled per-speaker stats, because
that utterance would be part of the pool.

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Firew Tadele

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Jun 3, 2021, 6:07:02 AM6/3/21
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 hi ramans ,  have you already fixed this error, currently am facing that error too.

---------------------------------------------------------------------------------------------------------------------------

WARNING (ivector-plda-scoring[5.5.817~1-c0ac7]:main():ivector-plda-scoring.cc:170) Key venkat_8-0061571-0062322 not present in training iVectors. LOG (ivector-plda-scoring[5.5.817~1-c0ac7]:main():ivector-plda-scoring.cc:217) Processed 0 trials, 1603 had error 

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