Re: [Kaldi-users] Convert kaldi lattices into HTK compatible format

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You may have seen the message because lattice-word-align expects the model
file as its first argument; this is an error in the help message of utils/
convert_slf.pl.  Also, the help messagepl should probably be updated to use
lattice-align-words as its suggested input.
Karel, you made some recent changes to that program; do you think you could
help with this?
Dan

Hi,
> After running the egs/wsj/s5/run.sh I call the convert_slf.pl script on
> one of the lattices in tri3b step following an exampl in the scripts help
> output and get a deprecation message:
>
> [davidm@code7 s5]$ utils/convert_slf.pl
> Convert kaldi lattices to HTK SLF (v1.1) format.
> Usage: convert_slf.pl [options] lat-file.txt [out-dir]
>   e.g. lattice-word-align 'ark:gunzip -c lat.gz |' ark,t:- | utils/
> convert_slf.pl - slf/
> Options regarding the SLF output:
>   --lmscale x    LM weight (default: lmscale=1)
>   --acscale x    Acoustic weight (default: acscale=1)
>   --wdpenalty x  Word insertion penalty (default: 0)
>   --framerate x  Frame rate to compute timing information (default: 0.01)
> [davidm@code7 s5]$ lattice-word-align 'ark:gunzip -c
> exp/tri3b/decode_bd_tgpr_eval92_fg/lat.1.gz |' ark,t:- | utils/
> convert_slf.pl - ~/slf/
> lattice-word-align 'ark:gunzip -c
> exp/tri3b/decode_bd_tgpr_eval92_fg/lat.1.gz |' ark,t:-
>
> (note: from the s5 scripts onward, this is deprecated, see
> lattice-align-words)
> Create word-aligned lattices (in which the arcs correspond with
> word boundaries)
> Usage: lattice-word-align [options] <model> <lattice-rspecifier>
> <lattice-wspecifier>
>  e.g.: lattice-word-align --silence-phones=1:2 --wbegin-phones=2:6:10:14 \
>    --wend-phones=3:7:11:15 --winternal-phones=4:8:12:16
> --wbegin-and-end-phones=5:9:13:17 \
>    --silence-label=2 --partial-word-label=16342 \
>    final.mdl ark:1.lats ark:aligned.lats
>
> Options:
>   --output-error-lats         : If true, output aligned lattices even if
> there was an error (e.g. caused by forced-out lattice) (bool, default =
> true)
>   --partial-word-label        : Numeric id of word symbol that is to be
> used for arcs in the word-aligned lattice corresponding to partial words at
> the end of "forced-out" utterances (zero is OK) (int, default = 0)
>   --reorder                   : True if the lattices were generated from
> graphs that had the --reorder option true, relating to reordering
> self-loops (typically true) (bool, default = true)
>   --silence-has-olabels       : If true, silence phones have output labels
> in the lattice, just
> like regular words.  [This means you can't have un-labeled silences]
> (bool, default = false)
>   --silence-label             : Numeric id of word symbol that is to be
> used for silence arcs in the word-aligned lattice (zero is OK) (int,
> default = 0)
>   --silence-may-be-word-internal : If true, silence may appear inside
> words' prons (but not at begin/end!)
>  (bool, default = false)
>   --silence-phones            : Colon-separated list of numeric ids of
> phones that are used for silence (and other non-word events such as noise)
> (string, default = "")
>   --test                      : If true, activate checks designed to test
> the code. (bool, default = false)
>   --wbegin-and-end-phones     : Colon-separated list of numeric ids of
> phones that are used for single-phone words. (string, default = "")
>   --wbegin-phones             : Colon-separated list of numeric ids of
> phones that begin a word (string, default = "")
>   --wend-phones               : Colon-separated list of numeric ids of
> phones that end a word (string, default = "")
>   --winternal-phones          : Colon-separated list of numeric ids of
> phones that are internal to a word (string, default = "")
>
> Standard options:
>   --config                    : Configuration file with options (string,
> default = "")
>   --help                      : Print out usage message (bool, default =
> false)
>   --print-args                : Print the command line arguments (to
> stderr) (bool, default = true)
>   --verbose                   : Verbose level (higher->more logging) (int,
> default = 0)
>
> What is the right command-line now for calling the convert_slf.pl script
> on a binary lattice file(s)?
>
> Many thanks,
> David
>
>
>
>
> On 20/12/2013 10:44, Karel Veselý wrote:
>
> There is also a script directly in kaldi wsj/s5 from Korbinian Riedhammer:
>
>
> http://sourceforge.net/p/kaldi/code/HEAD/tree/trunk/egs/wsj/s5/utils/convert_slf.pl
>
> Karel
>
> Dne 19. 12. 2013 21:05, Daniel Povey napsal(a):
>
> It looks like Paul Dixon has published something he wrote, here:
>
>  https://gist.github.com/edobashira/5811963
>
>  Dan
>
>
>
> On Thu, Dec 19, 2013 at 3:20 AM, wei.shi-新 <we...@im...> wrote:
>
>>  Hi all,
>>
>> Though I know the purpose of kaldi is not to be compatible  with HTK, I
>> still want to ask, is there a tool that can convert kaldi lattices( e.g.,
>> generated by gmm-latgen-faster ) to HTK  compatible format?
>>
>>
>> Shi Wei
>>
>>
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