Here is a quick start guide.
How to Use SPK - Text-To-Speech Middleware
Lanunch the Control Panel by clicking on the SPK Menu > "Control Panel" in Google Docs
Highlight text inside your Google Doc File
Click "Update Text" to load the text into the Control Pannel
Select a voice from the drop down list.
Click "Send" to send the text to the Text-To-Speech Server
All requests are send using the "Eleven Turbo V2" model.
It may take a few seconds to build the audio packet, depending on the the length of the audio, and the model in use.
The Audio Player will update with the latest audio file when complete. You may click on the three dot menu to download a sample to your computure.
Authentication with Text-To-Speech Provider
Since ElevenLabs does not support OAuth integration with Google, you must upload an API token.
Create a API token in the TTS Provider with the minial permissions required and upload it to your google workspace. For full functionality of this Control Panel it is recommend you include
Text to Speech
Users (read only)
Voices (read only)
Select 'Update Key' to store it to your google account.
Select 'Check Account' to confirm the token is valid.