- model
string, one of the available TTS models: 'tts-1' or 'tts-1-hd'
- input
string, the text to generate audio for. The maximum length is 4096 characters.
- voice
string, the voice to use when generating the audio. Supported voices are alloy, echo, fable, onyx, nova,
and shimmer. Previews of the voices are available in the Text to speech guide -
https://platform.openai.com/docs/guides/text-to-speech/voice-options
- response_format
string, the format to audio in. Supported formats are mp3 (default), opus, aac, and flac
- speed
double, the speed of the generated audio. Select a value from 0.25 to 4.0, 1.0 is the default.
- api_key
string, OpenAI API key
(see https://platform.openai.com/account/api-keys)