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# LangIdCumLif

The `LangIdCumLif` task reads in language identification features from file and returns the running language identification score at periodic intervals. This is the score for all the data from the start to the current point.

## Parameters

Parameter | Description | Required
--- | --- | ---
Type | The task name. Set to `LangIDCumLif`. | Yes
Beam | The beam width of the search process. |
ClassList | A list of language classifiers to use. |
ClassPath | The path to the directory containing the language classifiers. |
File | The language identification feature (.lif) file to process. | Yes
LangList | A subset of languages to use from the classifier list file. |
MinPhoneRate | The minimum phone rate (phones per second). |
NBest | The maximum number of language candidates to include in the output file. |
Out | The file to write language identification results to. | Yes
SegSize | The maximum results segment size. |

Note: The `ClassList` parameter is required only if you want to change the audio sample rate, or if you want to use your own custom classifiers. You might also need to specify the `ClassPath` parameter, depending on the location of the classifier files.

## Example

    http://localhost:13000/action=AddTask&Type=LangIdCumLif&File=C:\Data\Speech.lif&ClassList=ListManager/OptClassSet&ClassPath=C:\LangID\&Out=SpeechLang2.ctm

This action uses port `13000` to instruct HPE IDOL Speech Server, which is located on the local machine, to identify the language in the `Speech.lif` file using the language classifiers specified in the `OptClassSet` list. The action instructs HPE IDOL Speech Server to write the identification results to the `SpeechLang2.ctm` file.

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