Configuring the Vocalizer service

The vocalizer service provides text-to-speech (TTS) synthesis.

Management Station displays commonly-used properties on the Settings tab. This table show those properties. (You can add other properties. See Speech product parameters.)

Service property

Description

Data type

Default

tts_license_ports

Number of full TTS licenses to acquire at startup.

INT

4

tts_license_ports_overdraft_thresh

Threshold at which warnings will be logged to indicate that the system is near the full TTS license limit.

INT

0 (no warnings)

license_servers

Vocalizer License Manager TCP/IP addresses.

STRING

27000@localhost

Note: Accepts multiple values delimited by the pipe character (|).

cache_directory

Directory name for the disk cache.

STRING

${TMPDIR}/nvn_cache_${USER}-NVS01