Tutorial: Synthetic voices

Synthetic Voices

Stellar offers you the option to use Synthetic voices to render your Audio Description or Dubbing scripts.
This plugin has a prerequisite that has to be present in your Stellar project for it to work - Audio Recorder Widget.

Add the widget to your project.
Open the Widget Settings window, scroll down, select the Synthetic Voices plugin from the list and the create an instance of it for your project.

From the Media Control Bar

You can access the Synthetic Voices settings menu from the media player controls bar.

  • Left click on the icon - image - Will start the rendering process using the Default Voice settings. The render will cover titles that are included in the current selection.
  • Right click on the icon - image - will open the Synthetic Voices Settings window

From the Top Bar

The same menu can also be accessed by Top Menu Bar → ToolsAudio ToolsSynthetic Voices Speak

Text To Speech

The text-to-speech option allows you voice existing titles using synthetic voices.
To use TTS, make sure you have Text-To-Speech tab selected.

TTS Render Settings

Selection Options Details
Render Mode Render Current Title Will render only the currently selected title.
Render All Titles Will render all titles from the currently selected title.
Selected File FileName Allows you to select current file.
Handle titles Append new Take (and mute existing) Will append new recording and mute the existing active one.
Don’t skip Will render all titles.
Skip all audio types Will skip all titles which already have an audio.
Skip human audio Will skip all titles which already have human recorded audio.
Skip synthetic audio Will skip all titles which either have STS or TTS generated audio.
Skip TTS Audio Will skip all titles which have Text-to-Speech audio.
Skip STS Audio Will skip all titles which have Speech-to-Speech audio.
Rate Control Re-render if overlength
Re-render if overlength. Will re-render the audio if the audio is longer than the title box. Might cause double cost.
Re-render to match length. Will re-render the audio if previously generated audio did not match the length of the title box. Will almost certainly cost double.

Voice Selection

This section allows you to select the voice:

Voice Favourite List

  • allows you to select one of the existing Voice Favourite Lists available to your account. This can either be a personal list or a company list.
  • if you select the None option you will be able define a custom configuration by pressing the
    image icon.

Voice Selection

  • if you have a Voice Favourite list selected, you will able to select one of the voices which are part of that list.
  • if you have selected None, you will able to either set a custom configuration by pressing the
    image icon, or you can the voice which was configured for the role.

Voice Config

The entries in this section will vary depending on the selected voice and supplier. Nevertheless, all voices will have these 3 controls: Rate, Pitch and Volume Scheme. All the options that you will see in the Voice Configuration Window will also be mirrored in this Voice Config area of the Synthetic Voices Window.

Additionally, you will also see the Estimated Cost and the Name of the currently selected File and the Render Mode (Current Title, or all Titles).

Furthermore, you will also see the Estimated Cost for your selection: image. You can force a recalculation by pressing on the image button.

Configuring a Voice

You can open the Voice Configuration Window by pressing the image .

Field Option Description
Filter by Language Languages Allows users to filter all available voices by languages.
Filter by Supplier Supplier Allows users to filter all available voices by suppliers.
Filter by Gender Gender Allows users to filter all available voices by gender.
Filter by Customization Options Options Allows users to filter all voices by their customization options.
Speaking Styles Work only on certain Azure voices.
Fine Tuning Works only on Elevenlabs voices.
Select voice Voices Allows the user to select a voice from the available ones. Is influenced by the filters which were already set. To show the entire list, do not apply any filters

Speech To Speech

The speech-to-speech option allows you re-voice existing recorded lines using ReSpeecher’s speech-to-speech conversion.
To use STS, make sure you have Speech-To-Speech tab selected.

Speech to speech only works if the title that you have selected already has audio associated with it.

STS Render Settings

Selection Options Details
Render Mode Render Current Title Will render only the currently selected title.
Render All Titles Will render all titles from the currently selected title.
Selected File FileName Allows you to select current file.
Handle titles which already have audio Append new Take (and mute existing) Will append new recording and mute the existing active one.
Don’t skip Will render all titles.
Skip all audio types Will skip all titles which already have an audio.
Skip human audio Will skip all titles which already have human recorded audio.
Skip synthetic audio Will skip all titles which either have STS or TTS generated audio.
Skip TTS Audio Will skip all titles which have Text-to-Speech audio.
Skip STS Audio Will skip all titles which have Speech-to-Speech audio.
Handle Titles with Missing Active Audio Takes
Ignore (skip processing) Ignores missing audio and skips processing.
Set Title Error Will create a red box and flag it as an error

Voice Config

Speech-to-Speech voices have only one configuration Volume Scheme.
All the options that you will see in the Voice Configuration Window will also be mirrored in this Voice Config area of the Synthetic Voices Window.

Configuring a Voice

Field Option Description
Filter by Gender Gender Allows users to filter all available voices by gender.
Select voice Voices Allows the user to select a voice from the available ones. Is influenced by the filters which were already set. To show the entire list, do not apply any filters
Volume Scheme Option Allows the users to set volume scheme.

Rendering

After pressing the Render button, you will be prompted by a Confirmation Dialogue which will provide information about what fill will be rendered and how much the render will cost. You can chose to continue or abort the process.

image

While the files are rendering you will be prompted to wait. You can abort the process by pressing the Abort button.

Please do not close the window or close Stellar while the voices are processing.

When the process has finished, the Voice Rendering window will disappear.