Skip Navigation

Adjust the Text-to-speech audio level and characteristics

The previously configured Giant Voice System Test template should have been configured to use POC-approved verbiage and text-to-speech. Launch an alert using the TTS functionality of the 
BlackBerry AtHoc
 management system and observe the audio level and clarity of the TTS broadcast over the GV system’s speakers in comparison with the manual activation baseline and make adjustments as required.
  1. Log in to the 
    BlackBerry AtHoc
     management system as an administrator.
  2. In the 
    Quick Publish
     section, select 
    Giant Voice System Test
     and click 
    Edit
    .
  3. Click 
    Review and Publish
     to review the settings and selections.
  4. Click 
    Publish
    .
  5. Observe the operations of the following:
    • In the 
      IIM
      console window, the number of items in index increases and that it starts processing the alert.
    • The REACT4000 or ATI MassAlert™ software transmits the Public Address RTU Function.
    • The associated Giant Voice poles and the audio volume and clarity.
  6. Using Microsoft Notepad, open the 
    system_private.config
     file located at 
    C:\Program Files\capnode\system_private.config
    .
  7. In the Notepad file, find the following:
    • encoder.SirenCentralEncoder.TTS_Volume
       variable and adjust up or down to match the baseline audio level.
    • encoder.SirenCentralEncoder.TTS_Speed
       variable and adjust up or down to adjust the rate of speech. The speed variable is in words per minute.
    • encoder.SirenCentralEncoder.TTS_Pitch and encoder.SirenCentralEncoder.TTS_Range
       variables and adjust up or down to adjust the pitch and inflection of the speaking voice.
  8. Click 
    File
     > 
    Save
    .
  9. Using the Service Manager, restart the CapCon Services.
  10. Run another test and observe the audio characteristics.
  11. Repeat steps 2 to 10 until the prerecorded audio sounds close in volume and the clarity to the baseline.