“Vovsoft Speech to Text Converter” supports IBM Cloud Speech to Text API which can convert up to 500 minutes per month for free.
In order to obtain your API key and URL, please follow these steps:
1. Go to https://cloud.ibm.com/registration and create your IBM Watson Cloud account for free.
2. Go to https://cloud.ibm.com/catalog/services/speech-to-text and create your Speech to Text Lite Plan instance.
3. Go to https://cloud.ibm.com/resources; under Services tab, click on your Speech to Text instance. Your credentials (API key and URL) will be displayed in Manage or Service credentials page.
Enter your API key and URL into the Settings panel inside “Vovsoft Speech to Text Converter”. The software is now ready to convert audio to text.