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# Overlap

To process a task across multiple cores, the audio is divided into chunks. The chunks are then distributed between the task managers. The chunks overlap to ensure that words are not lost at the boundaries of each chunk. The `Overlap` parameter specifies the number of seconds of overlap between chunks. Increasing the overlap might improve accuracy but can reduce the overall processing speed. For most tasks, HPE recommends an overlap of about 5 seconds.

Action: | AddTask
Task: | All tasks containing only supported modules. For a list of the modules that support multicore processing, see the IDOL Speech Server Administration Guide.
Type: | Integer
Default: |
Example: | `Overlap=5`
See Also: | SplitSize TaskManagers

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