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SystemConfig.gif Text to Speech

Default Text to Speech (TTS) voice configuration is performed in the Windows Control Panel Speech Applet.

Use the Text to Speech tab of the System Configuration dialog box to perform the following advanced TTS configuration:

  • Set the maximum number of sessions to be allowed at one time

  • Add multiple languages and voices

For more information, see Text-to-Speech Engines Technical Reference in the PureConnect Documentation Library.

Default TTS Provider

When CIC receives a TTS request, it must select which TTS technology to use to complete the request. The Default TTS Provider field indicates which TTS technology to use when a TTS request does not indicate a specific TTS technology. The options are:

  • SAPI: This is a Windows-only API.  

  • MRCP: This is a standardized TTS protocol. Many third-party TTS vendors support only MRCP.

  • Media Server: This is CIC's proprietary Text-to-Speech engine. This option is available only if you have installed a license for it.

Concurrent Session Limit

Enter the maximum number of concurrent sessions to attempt. This limit is either a license-enforced limit or a load-enforced limit. TTS will not attempt to create more sessions than what is defined here. Additional requests will fail and an event log entry will be logged.

Concurrent Session Warning Level

Enter the maximum concurrent sessions. When this threshhold is exceeded an event log entry will be created. Use this warning level  to see when you are getting close to exceeding your license limit so you can plan ahead.

Number of Sessions Currently in Use

This is the number of TTS sessions currently in use in the CIC system.

Volume Control (0 - 100)

Use the up and down arrow keys to set the volume level for the voice resource. The default value for this field is 100 decibels.

Voices

You can choose to write custom applications for multiple languages and voices by creating a voice name parameter for each voice and then making the necessary handler modifications using these voice name parameters.

Click Add to add voice resources. Enter the voice name and the registry path. Select the Language from the pull-down list.

For example, you may define "Mary" as the name,  "HKEY_LOCAL_MACHINE\Software\Microsoft\Speech\Voices\Tokens\MSMary" as the path, and "English (United States) as the language. Once defined, you can then just pass "Mary" to the TTS defined tool.

There is no limit to the number of voices to add. By default , the system refreshes every 5 seconds.

Click Edit to change existing voice resources or Delete to remove them.

Notes: Only configured voices on the CIC server are listed.

Each language can only be associated with one voice.
Voice configuration settings in this dialog will override the voice configuration settings in the Windows Control Panel Speech applet.