One of the available TTS models:
tts-1
or tts-1-hd
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.
Optional
response_The format to audio in. Supported formats are mp3
, opus
, aac
, flac
,
wav
, and pcm
.
Optional
speedThe speed of the generated audio. Select a value from 0.25
to 4.0
. 1.0
is
the default.
The text to generate audio for. The maximum length is 4096 characters.