Documentation Index
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Telnyx NaturalHD is a high-fidelity multilingual text-to-speech model backed by Rime Arcana, offering studio-quality voices for premium voice applications.
Telnyx.NaturalHD.<voice>
Pre-built voices backed by Rime Arcana. 9 languages: en, fr, de, es, ar, hi, ja, he, pt.
| Voice | Language | Gender | Sample |
|---|---|---|---|
Telnyx.NaturalHD.astra | en-US | Female | |
Telnyx.NaturalHD.albion | en-US | Male | |
Telnyx.NaturalHD.amarante | fr-FR | Female | |
Telnyx.NaturalHD.luna | en-US | Female |
wss://api.telnyx.com/v2/text-to-speech/speech?voice=Telnyx.NaturalHD.astra&audio_format=mp3
| Parameter | Type | Default | Description |
|---|---|---|---|
audio_format | string | mp3 | mp3, linear16. |
sample_rate | integer | 24000 | 8000, 16000, 22050, 24000, 44100, 48000, 96000. |
{"text": " "}):
| Field | Type | Default | Description |
|---|---|---|---|
voice_speed | float | 1.0 | Speech rate multiplier. |
{
"text": " ",
"voice_settings": {
"voice_speed": 0.9
}
}
| Field | Type | Default | Description |
|---|---|---|---|
voice_speed | float | 1.0 | Speech rate multiplier. |
output_type | string | binary_output | binary_output, base64_output, or audio_id. |
binary_output): chunked audio bytes with Content-Type: audio/mpeg (or audio/wav, audio/pcm).
With output_type: "base64_output": JSON with base64-encoded audio.
With output_type: "audio_id": JSON with an audio_url for deferred retrieval.Was this page helpful?