LangIdFeature

The LangIdFeature task converts an audio file containing a single language into a language identification feature (.lif) file. Language identification feature files are required for training language classifiers.

Parameters

Parameter Description Required
Type The task type. Set to LangIdFeature. Yes
Beam The beam width of the search process.  
DnnFile The Deep Neural Network acoustic modeling file to use.  
File The audio file to process. Yes
Lang The name of the language pack to use. Yes
Out The language identification feature (.lif) file to create. Yes
SilThresh The threshold between what the task identifies as silence and non-silence.  
SpeechThresh The threshold between speech and non-speech (music or noise).  
SugdInputChannels The channel layout of the input media file.  
SugdInputFrequency The sampling rate of the input media file.  

Example

http://localhost:13000/action=AddTask&Type=LangIdFeature&File=C:\Data\FrenchSpeech.wav&Out=frenchSpeech.lif

This action uses port 13000 to instruct Speech Server, which is located on the local machine, to create the frenchSpeech.lif file from the FrenchSpeech.wav file.


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