Integrating AI Transcription/Translation into Video Calls
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This document describes how to quickly build a video call application with AI-powered real-time call captions and translation capabilities using the TRTC Audio/Video Call SDK component (TUICallKit).
Solution Overview
TUICallKit is purpose-built for audio and video call scenarios, supporting up to 9 participants per session. It ships with WeChat-style UI components out of the box, integrates in as few as three steps, and can go live in a single day—cutting development time by up to 90%. TUICallKit works seamlessly across platforms, including Mini Programs, iOS, Android, Web, Flutter, React Native, and more.
TUICallKit now integrates with the TRTC AI real-time speech-to-text and translation engine. With just a few lines of configuration, you can add live captions and multilingual translation directly to your call UI.
Note：
For more information on TUICallKit features and services, see the Video Call Component Introduction.
Feature Demonstration
AI Real-Time Translated Captions | AI Real-Time Translation Settings | AI Translation Language Selection |
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Activation and Billing
Using real-time AI call captioning and translation with TUICallKit involves charges from two separate billing modules: TUICallKit usage fees and AI real-time transcription fees.
Note：
TUICallKit is built on Real-Time Communication (TRTC) and Instant Messaging (IM). Accordingly, TUICallKit fees cover both IM usage and a TRTC monthly subscription. For activation steps and details, see TUICallKit Activation.
AI real-time transcription fees include RTC audio charges and AI speech-to-text charges. If translation is enabled, real-time translation charges apply as well. All features are available under the AI Intelligent Recognition service or TRTC monthly subscription packages, with pay-as-you-go billing for any overages. For package tiers and pricing details, see AI Intelligent Recognition Billing.
Integration Process
Step 1: Activate the Service and Integrate the SDK
Follow the Activation Guide to enable the TUICallKit SDK component, then refer to the platform-specific quick integration guides below:
Step 2: Enable AI Real-Time Transcription and Translation
Purchase and activate AI transcription and translation features as needed via AI Intelligent Recognition Billing. Then, follow the Video Call Integration with AI Real-Time Transcription and Translation guide to enable these features in TUICallKit.
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