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# LanguageModelBuild

The `LanguageModelBuild` task builds a new language model from a set of text files.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `LanguageModelBuild`. | Yes
BaseDictionary | The base dictionary for the language model. |
BuildLabel | The build label to use for the language model. |
ContentDatabase | The IDOL Content component database to use to retrieve training text. |
ContentHost | The host name or IP address of the IDOL Content component to retrieve training text from. |
ContentPort | The ACI port of the IDOL Content component to retrieve training text from. |
ContentTextTag | The IDOL fields to retrieve text data from. |
DataList | The list of training text files. | Yes
DataPath | The path to the directory containing the training text files listed in DataList. | Yes
DiagFile | The file to write the diagnostic information to. |
DiagLevel | The level of detail to include in the diagnostic information. |
DoDctGen | Whether to generate a dictionary. |
DoNorm | Whether to perform text normalization. |
DoSmoothing | Whether to enable smoothing. |
DoSegment | Whether to segment text. |
DropList | A list of words to exclude from the vocabulary of the custom language model. |
KeepList | A list of words that must appear in the vocabulary of the custom language model. |
KeepTemp | Whether to keep the temporary text files for diagnostics |
Lang | The language pack to use as a foundation. | Yes
Log | The name of the log file to write. |
NewDictionary | The dictionary to generate. | Yes
NewLanguageModel | The custom language model to generate. | Yes
NewLMInfoFile | The Language Model Information file to generate. |
VocabSize | The maximum size of the vocabulary to include in the custom language model. |

## Example

    http://localhost:15000/action=AddTask&Type=LanguageModelBuild&DataList=ListManager/Langmodel&DataPath=C:\LanguageModelFiles&Lang=ENUK-tel&NewLanguageModel=mymodel&NewDictionary=mymodel&DoSmoothing=False

This action uses the training text specified in the `Langmodel` list and the `ENUK-tel` language pack to build a new language model and dictionary file, both named `mymodel`. This action also calculates a recommended interpolation weight at the end of the language model building process.

NOTE:

The interpolation weight is only a suggested weight–you can choose to set other weights.

The new language models are placed in the custom language models folder, as specified in the IDOL Speech Server configuration file.

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