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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

ClosedSet

ClPath

DiagFile

DiagLevel

LangList

MinPhoneRate

SampleFrequency

ScoreMode

SegmentSmoothWin

SegmentStepSize

SegmentThreshold

SegmentUnkThreshold

SegmentWindow

ThresholdScale

WindowSize

Some of these parameters do not have an internal default value. You must either set the configuration parameter to a suitable value, or set the value in the corresponding action parameter.

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