How does Tencent’s intelligent online video application realize live broadcasting and interactive live broadcasting?

Tencent’s intelligent online video application realizes live broadcasting and interactive live broadcasting through a combination of advanced technologies, including real-time video streaming, low-latency transmission, and interactive features.

Live Broadcasting

Live broadcasting involves capturing and transmitting video content in real time to viewers. Tencent’s application uses:

1. Real-time Video Encoding: High-efficiency codecs (e.g., H.264/HEVC) compress video streams for smooth transmission.
2. CDN Acceleration: Content Delivery Networks (CDNs) distribute streams globally, reducing latency and buffering.
3. Scalable Infrastructure: Cloud-based infrastructure ensures high availability and handles peak traffic.

Example: A sports event broadcast uses adaptive bitrate streaming to adjust video quality based on viewers’ network conditions, ensuring seamless playback.

Interactive Live Broadcasting

Interactive live broadcasting adds real-time engagement between broadcasters and viewers. Key technologies include:

1. Low-Latency Streaming: WebRTC or proprietary protocols minimize delay for real-time interactions like comments, likes, and gifts.
2. Real-time Data Processing: Cloud services process viewer interactions instantly, enabling features like live polls or Q&A sessions.
3. AI-Powered Features: AI enhances interactivity with features like real-time subtitles, virtual avatars, or smart recommendations.

Example: A live concert allows viewers to send virtual gifts, which are displayed in real time on the broadcaster’s screen, creating an engaging experience.

For such applications, Tencent Cloud provides services like Live Video Broadcasting, Real-time Communication (TRTC), and Media Processing Services to support high-quality, low-latency live streaming and interactivity. These services ensure scalability, reliability, and seamless user experiences.