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# NBest

Sets the maximum number of alternative results to include in the output file.

For language identification tasks, the `NBest` parameter specifies the maximum number of language candidates that are shown for each audio section. Candidate languages are ordered by score, with the highest scoring language at the top of the list.

For audio fingerprint identification, the `NBest` parameter specifies the maximum number of different AFP matches for a section.

NOTE:

The `GetResults` action has an `NBest` parameter that can override the module `NBest` parameter when retrieving results. For example, if the `GetResults` `NBest` parameter is set to `1`, HPE IDOL Speech Server returns only the highest scoring result for each section, even though the file might contain three alternative results for each section.

Action: | AddTask
Task: | AfpMatchStream AfpMatchWav AfptMatchStream AfptMatchWav
Type: | Integer
Default: | 3 for language identification tasks. 1 for audio fingerprint identification tasks.
Example: | `NBest=2`
See Also: | NBest (configuration parameter) NBest (GetResults action parameter)

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