Class: Sphinxtrain::MapAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/sphinxtrain/map_adapter.rb

Constant Summary collapse

SPHINX_FE_COMMAND = 
"sphinx_fe"
BW_COMMAND = 
"/usr/local/Cellar/cmu-sphinxtrain/HEAD/libexec/sphinxtrain/bw"
MAP_ADAPT_COMMAND = 
"/usr/local/Cellar/cmu-sphinxtrain/HEAD/libexec/sphinxtrain/map_adapt"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(old_model:, new_model:, recordings_dir:, sentences_transcription:, sentences_files:, sentences_dict:) ⇒ MapAdapter

Returns a new instance of MapAdapter.



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# File 'lib/sphinxtrain/map_adapter.rb', line 9

def initialize(old_model:, new_model:, recordings_dir:, sentences_transcription:, sentences_files:, sentences_dict:)
  self.old_model = old_model
  self.new_model = new_model
  self.recordings_dir = recordings_dir
  self.sentences_transcription = sentences_transcription
  self.sentences_files = sentences_files
  self.sentences_dict = sentences_dict
end

Instance Attribute Details

#new_model ⇒ Object

Returns the value of attribute new_model.



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# File 'lib/sphinxtrain/map_adapter.rb', line 7

def new_model
  @new_model
end

#old_model ⇒ Object

Returns the value of attribute old_model.



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# File 'lib/sphinxtrain/map_adapter.rb', line 7

def old_model
  @old_model
end

#recordings_dir ⇒ Object

Returns the value of attribute recordings_dir.



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# File 'lib/sphinxtrain/map_adapter.rb', line 7

def recordings_dir
  @recordings_dir
end

#sentences_dict ⇒ Object

Returns the value of attribute sentences_dict.



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# File 'lib/sphinxtrain/map_adapter.rb', line 7

def sentences_dict
  @sentences_dict
end

#sentences_files ⇒ Object

Returns the value of attribute sentences_files.



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# File 'lib/sphinxtrain/map_adapter.rb', line 7

def sentences_files
  @sentences_files
end

#sentences_transcription ⇒ Object

Returns the value of attribute sentences_transcription.



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# File 'lib/sphinxtrain/map_adapter.rb', line 7

def sentences_transcription
  @sentences_transcription
end

Instance Method Details

#adapt ⇒ Object 



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# File 'lib/sphinxtrain/map_adapter.rb', line 18

def adapt
  `#{SPHINX_FE_COMMAND} \
    -argfile #{new_model_file 'feat.params'} \
    -samprate 16000 \
    -c #{sentences_files} \
    -di #{recordings_dir} \
    -do #{recordings_dir} \
    -ei raw \
    -eo mfc \
    -seed 1 > /dev/null 2>&1`

  `#{BW_COMMAND} \
    -hmmdir #{new_model} \
    -moddeffn #{new_model_file 'mdef'} \
    -ts2cbfn ".cont." \
    -feat 1s_c_d_dd \
    -cmn current \
    -agc none \
    -dictfn #{sentences_dict} \
    -ctlfn #{sentences_files} \
    -lsnfn #{sentences_transcription} \
    -accumdir #{recordings_dir} \
    -lda #{new_model_file 'feature_transform'} \
    -cepdir #{recordings_dir} > /dev/null 2>&1`

  `#{MAP_ADAPT_COMMAND} \
    -meanfn #{old_model_file 'means'} \
    -varfn #{old_model_file 'variances'} \
    -mixwfn #{old_model_file 'mixture_weights'} \
    -tmatfn #{old_model_file 'transition_matrices'} \
    -accumdir #{recordings_dir} \
    -mapmeanfn #{new_model_file 'means'} \
    -mapvarfn #{new_model_file 'variances'} \
    -mapmixwfn #{new_model_file 'mixture_weights'} \
    -maptmatfn #{new_model_file 'transition_matrices'} > /dev/null 2>&1`
end