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Ticket Resolution Summary Owner Reporter
#157 invalid Ratings on WebSite forums not totalling properly kmaclean nsh
#1 fixed Julian 3.5.1 problems with VoxForge Tutorial Acoustic Models kmaclean kmaclean

Reported by kmaclean, 15 years ago.

Description

Running the same acoustic model under Julian 3.5 and 3.5.1, and everything seems to work OK with 3.5, but I get no recognition with at all with 3.5.1. Looking at the console output, Julian 3.5.1 doesn't seem to be picking up the end silence tag </s>, and I am not sure why.

Here is part of the console output for recognition of the phrase "call Steve" under 3.5.1:

$/usr/local/julius/julius-3.5.1-linuxbin/bin/julian-3.5.1-std -input mic -C julian.jconf
...

### read waveform input


pass1_best: <s> DIAL
pass1_best_wordseq: 0 3
pass1_best_phonemeseq: sil | d ay l
pass1_best_score: -102358.328125

length: 593 frames (1.97 sec.)
### Recognition: 2nd pass (RL heuristic best-first with DFA)
samplenum=593
stack empty, search terminate now
0 sentences have found
got no candidates, output 1st pass result as a final result
sentence1: <s> DIAL
wseq1: 0 3
phseq1: sil | d ay l
cmscore1: 0.000 0.000
score1: -102358.328125
0 generated, 0 pushed, 0 nodes popped in 593

<<< please speak >>>

Here is the console output for the same utterance and julian configuration file under 3.5:

$ /usr/local/julius/julius-3.5-linuxbin/bin/julian-3.5-std -input mic -C julian.jconf
...

### read waveform input


pass1_best: <s> CALL STEVE </s>
pass1_best_wordseq: 0 2 4 1
pass1_best_phonemeseq: sil | k ao l | s t iy v | sil
pass1_best_score: -14968.178711

length: 542 frames (1.80 sec.)
### Recognition: 2nd pass (RL heuristic best-first with DFA)
samplenum=542
stack empty, search terminate now
2 sentences have found
sentence1: <s> PHONE STEVE </s>
wseq1: 0 2 4 1
phseq1: sil | f ow n | s t iy v | sil
cmscore1: 1.000 0.000 1.000 1.000
score1: -15512.497070
14 generated, 14 pushed, 16 nodes popped in 542

<<< please speak >>>

I am using the precompiled Julius/Julian? binaries on Fedora Core 4 (64bit) on an AMD64 PC.

Solution:

  • use Julius 3.5 for Acoustic Model creation
  • apply patch to Julius 3.5.1
  • wait for Julius 3.5.2
#2 fixed HMM "sp" has unsupported arc kmaclean kmaclean

Reported by kmaclean, 15 years ago.

Description

When starting Julius in interactive mode, this error is appears:

Warning: HMM "sp" has unsupported arc. SERIOUS WARNING: Transition arc has been modified as below SERIOUS WARNING: This may cause unintended recognition result

Seems to have no noticeable effect on recognition.

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