AI Real-Time Speech Translation

AI Real-Time Speech Translation is an advanced feature built upon AI Real-Time Speech Recognition, offering low-latency, high-accuracy text translation across 200+ languages. For supported language codes, see: Speech Translation Language Codes.

Voice/Video Calls: Break language barriers in cross-border family chats or international business meetings with natural, real-time translation.
Multilingual Conferences: Boost decision-making efficiency in global team collaborations or academic seminars by delivering synchronized multilingual translations.
Cross-border Live Streaming: Expand audience reach for e-commerce livestreams or cultural content with instant translation, eliminating geographical and linguistic limits.

Prerequisites

AI Real-Time Speech Translation is a premium feature of RC RTC SDK. To enable it, submit a ticket.

Note

This feature relies on AI Real-Time Speech Recognition. Client-side integration requires enabling speech recognition first.

Access subtitle settings via the speech recognition UI to configure Translation Display and Bilingual Subtitles.

tip

CallKit supports two subtitle modes:

Translation Only: Instantly grasp key information even with zero source language knowledge.
Source + Translation: Verify accuracy in professional scenarios (e.g., business meetings, academic discussions) if you understand the source language.