Question 1

How many Azure OpenAI TTS voices are available?

Accepted Answer

Azure OpenAI offers 23 text-to-speech voices: 6 standard voices (Alloy, Echo, Fable, Nova, Onyx, Shimmer), 15 neural voices (Ash, Ballad, Brook, Cedar, Clover, Coral, Dan, Elan, Jazz, Marin, Marilyn, Meadow, Rio, Sage, Verse), and 2 HD voices (Jade Hardy, Megan Wetherall).

Question 2

What is gpt-4o-mini-tts?

Accepted Answer

gpt-4o-mini-tts is Azure OpenAI's text-to-speech deployment model that provides access to all 23 TTS voices. It's the current API endpoint for generating speech from text using voices like Alloy, Nova, and the neural voice collection.

Question 3

Is TTS Gallery free to use?

Accepted Answer

Yes, TTS Gallery is completely free and open-source. However, you need your own Azure OpenAI API credentials to use the service. The tool runs entirely in your browser and your credentials are stored locally - they never reach our servers.

Question 4

Which Azure OpenAI voice is best for narration?

Accepted Answer

For narration, Fable (warm and expressive), Onyx (deep and authoritative), and Sage (wise and measured) are popular choices. The neural HD voices Jade Hardy and Megan Wetherall offer the highest quality for professional narration work.