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# [langid] Module Configuration

The `langid` module identifies languages in language identification feature data.

## Input and Output

The `langid` module has three modes of operation.

Mode | Input | Output | Description
--- | --- | --- | ---
`BOUNDARY` | `lf` | `lid`, `lb` | Identifies the boundaries where the spoken language changes and identifies the language for sections between boundaries.
`CUMULATIVE` | `lf` | `lid` | Returns the identification score at periodic intervals.
`SEGMENTED` | `lf` | `lif` | The audio is split into fixed-size chunks and a language is identified for each chunk.

Examples:

    lid ← langid(SEGMENTED, lf)

    lid ← langid(CUMULATIVE, lf)

    lid, lb ← langid(BOUNDARY, lf)

## Parameters

ClList* | SegmentStepSize
ClPath | SegmentThreshold
LangList | SegmentUnkThreshold
ScoreMode | SegmentWindow
SegmentSmoothWin | WindowSize

*You must set the value of this configuration parameter by setting the corresponding action parameter.

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