Assembling...
Multilingual extension of Cartesia's Sonic architecture supporting real-time synthesis across additional languages with the same state-space model efficiency. Maintains ultra-low latency while expanding language and accent coverage.
State-space efficiency extended across 20+ languages
Maintains sub-50ms model latency for all supported languages
Natural accent handling without per-language fine-tuning
Generate natural-sounding narration for long-form content with consistent voice quality.
Deliver voice alerts and notifications with expressive, human-like speech synthesis.
Produce audio content in multiple languages from a single text source.
Power low-latency voice responses in interactive applications and games.
// Sonic Multilingual — Text-to-Speech
import { synthesize } from "@arkitekton/voice";
const audio = await synthesize({
model: "vm-cart-002",
vendor: "cartesia",
input: "Hello, welcome to Arkitekton.",
voice: "alloy",
response_format: "mp3",
speed: 1.0,
});
// Play the audio
const blob = new Blob([audio], { type: "audio/mp3" });
const url = URL.createObjectURL(blob);
const player = new Audio(url);
player.play();State-space model architecture for ultra-low-latency voice