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# [postproc] Module Configuration

The `postproc` module filters and modifies results produced by audio processing tasks such as speech-to-text, language identification, and so on.

## Input and Output

The `postproc` module has two modes of operation, which can also be combined to perform both processes in a single operation.

Mode | Input | Output | Description
--- | --- | --- | ---
`B` | `w` | `w` | Accepts a word data stream, and replaces all barred words either with a fixed term (such as `<BLEEP>`), or a term specific to an individual word. The barred word list is provided as a text file containing one word or a pair of words (the barred word, and the replacement term for that word) on each line.
`R` | `w` | `w` | Accepts a data stream, and recombines any word fragments to form complete words. Writes the resulting word sequence to an output word stream.
`P` | `w1` | `w2` | Include simple sentence-forming punctuation (for example, full stops and initial capital letters) in the output. HPE recommends that you do not use the output as the input for other modules; this option is designed purely for display purposes, and to produce more human-readable output. This mode uses periods of silence in a sequence of words to break it up into sentences with added punctuation, but you must remove any periods of silence manually from the punctuated string. Note: You can use this mode in conjunction with word barring, but for use in conjunction with any other mode, you must call `postproc` once for each mode. Caution: This mode is designed for use with Latin languages, and therefore is not recommended for use with non-Latin languages.

Examples:

    w2 ← postproc (B,w1)

    w2 ← postproc (R,w1)

    w2 ← postproc (BR,w1)

    W2 <- postproc(P, w1)

## Parameters

Note: In `B` mode, you must set at least one of the `BarredList` and `BarredTerm` parameters.

BarredList
BarredTerm
NonSentFinalWords
RcmpAllowSuffix
RcmpValidList

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