OpenAI TTS Voice Channel

What is it?

OpenAI TTS uses the TTS-1 model from ChatGPT for speech synthesis, delivering very natural and fluid voice output. It supports multiple voice styles and is ideal for users who need high voice quality.

Prerequisites:

• A paid OpenAI account
• Account must have TTS-1 model access
• A valid API Key

Step 1: Get an API Key

1. Visit the OpenAI website and log in with your paid account
2. Go to the API Keys page (left menu → API Keys)
3. Click "Create new secret key" to generate a new API Key
4. Copy and save it immediately — the key is only shown once

Step 2: Configure the Software

1. Open the software and go to Menu → Settings → ChatGPT and Compatible APIs
2. Fill in the following:
   • API URL: Enter the OpenAI API address (usually https://api.openai.com/v1)
   • API Key: Paste the key you just copied
   • Model: Select tts-1 or tts-1-hd
3. Click the test button to verify the connection

Step 3: Select a Voice

After configuration, return to the main interface:

1. Select OpenAI TTS from the Voice Channel dropdown
2. Choose a voice from the Voice dropdown
3. Click the play button to preview

Available Voices

OpenAI TTS provides the following standard voices:

• alloy - Neutral voice
• echo - Male voice
• fable - British accent
• onyx - Deep male voice
• nova - Female voice
• shimmer - Soft female voice

Important Notes

• TTS-1 is billed per character — keep usage costs in mind
• "Insufficient balance" errors mean your account needs a top-up
• If using a relay/proxy API, enter the URL and Key in the appropriate fields
• If the API connection fails, check your network and verify the key is correct

Common Errors

Error	Cause	Solution
Unable to connect to API	Network issue or incorrect URL	Check the API URL and network connection
Authentication error	Invalid or expired key	Regenerate the API Key
Insufficient balance	Account needs funding	Top up your OpenAI account
Permission denied	Account lacks TTS permissions	Confirm your account is paid and has TTS access