- Python
- Python (Async)
- TypeScript
def tts_websocket_basic(client: Cartesia) -> None:
"""Basic WebSocket usage with websocket_connect() context manager."""
with client.tts.websocket_connect() as connection:
connection.send({
"model_id": "sonic-3",
"transcript": "Hello, world!",
"voice": {"mode": "id", "id": "voice-id"},
"output_format": {"container": "raw", "encoding": "pcm_f32le", "sample_rate": 44100},
})
import datetime
filename = f"tts_websocket_basic_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}.pcm"
# Write chunks to file as they arrive.
# You could also send chunks over the network, play them in real-time, etc.
with open(filename, "wb") as f:
for response in connection:
if response.type == "chunk" and response.audio:
f.write(response.audio)
elif response.done:
break
print(f"Saved audio to {filename}")
print(f"Play with:\n $ ffplay -f f32le -ar 44100 {filename}")
async def tts_websocket_basic_async(client: AsyncCartesia) -> None:
"""Basic WebSocket usage with websocket_connect() context manager."""
async with client.tts.websocket_connect() as connection:
await connection.send({
"model_id": "sonic-3",
"transcript": "Hello, world!",
"voice": {"mode": "id", "id": "6ccbfb76-1fc6-48f7-b71d-91ac6298247b"},
"output_format": {"container": "raw", "encoding": "pcm_f32le", "sample_rate": 44100},
})
filename = f"tts_ws_basic_async_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}.pcm"
with open(filename, "wb") as f:
async for response in connection:
if response.type == "chunk" and response.audio:
f.write(response.audio)
elif response.done:
break
print(f"Saved audio to {filename}")
print(f"Play with: ffplay -f f32le -ar 44100 {filename}")
async function ttsWebsocketBasic(client: Cartesia): Promise<void> {
/** Basic WebSocket usage with websocket_connect() context manager. */
const ws = await client.tts.websocket();
ws.on('error', (err) => console.error('WS error:', err.message));
const filename = `tts_websocket_basic_${timestamp()}.pcm`;
const file = fs.createWriteStream(filename);
for await (const event of ws.generate({
model_id: 'sonic-3',
transcript: 'Hello, world!',
voice: { mode: 'id', id: '6ccbfb76-1fc6-48f7-b71d-91ac6298247b' },
output_format: { container: 'raw', encoding: 'pcm_f32le', sample_rate: 44100 },
})) {
if (event.type === 'chunk') {
if (event.audio) file.write(event.audio);
}
}
file.end();
ws.close();
console.log(`Saved audio to ${filename}`);
console.log(`Play with:\n $ ffplay -f f32le -ar 44100 ${filename}`);
}
Run this example
- Python
- Python (Async)
- TypeScript
cd cartesia-python
CARTESIA_API_KEY=YOUR_KEY python3 examples/examples.py tts_websocket_basic
cd cartesia-python
CARTESIA_API_KEY=YOUR_KEY python3 examples/async_examples.py tts_websocket_basic_async
cd cartesia-js
CARTESIA_API_KEY=YOUR_KEY npx ts-node examples/node_examples.ts ttsWebsocketBasic