Overview

In traditional live streaming, streamers deliver content in a unidirectional way. User engagement degree and lead conversion rate are low. ApsaraVideo Real-time Communication relies on Global Realtime Transport Network (GRTN) and core codec technologies and provides more interactive elements to traditional live streaming, such as voice chat, video co-streaming, and game interaction. ApsaraVideo Real-time Communication reduces the end-to-end latency to an ultra-low level and allows viewers to smoothly start or stop co-streaming. This way, viewers can not only view but also participate in live streaming, which enhances the social connection. ApsaraVideo Real-time Communication is suitable for scenarios such as online education, interactive entertainment, and audio and video communication. ApsaraVideo Real-time Communication relies on the core technologies such as intelligent noise reduction algorithms, Narrowband HD™, and real-time transmission algorithms to deliver high-quality communication services in noisy environments with unstable network connections and a high packet loss rate.

Benefits

Reusable network resources

ApsaraVideo Real-time Communication relies on the brand networks of GRTN and more than 3,200 POPs deployed around the world and reuses live streaming and Web Real-Time Communication (WebRTC) resources. This helps deliver reliable global services in poor network conditions.

Real-time interaction

Based on WebRTC, ApsaraVideo Real-time Communication provides real-time communication with a latency within 300 ms and allows users to co-stream in a channel or across-channels. Viewers can smoothly start or stop co-streaming in real time.

Ultra-high quality experience

The excellent 3A audio processing engine supports full-band sampling at 48 kHz. 720p and 1080p resolutions are supported to provide high-quality video call services.

Various media processing capabilities

ApsaraVideo Real-time Communication provides media processing capabilities, including recording, stream mixing, transcoding, and content moderation.

Easy integration

ApsaraVideo Real-time Communication supports low-code integration and provides scenario-specific integration solutions and components and comprehensive best practices to help developers quickly access the service.

Support for multiple terminals

ApsaraVideo Real-time Communication allows you to co-stream with other users on the Android, iOS, or Web clients. Users can start interactive live streaming on various platforms.

Features

Excellent audio and video processing capabilities and comprehensive quality monitoring

ApsaraVideo Real-time Communication uses the audio preprocessing capabilities, video codec, algorithm for resistance to poor networks, and data dashboards developed by Alibaba Cloud to ensure high-quality communication and comprehensive quality monitoring. Video interaction Multiple users can interact with each other in a video that has an end-to-end latency within 300 ms. Supported video resolutions include 480p, 720p, and 1080p. For example, a streamer in a live channel can interact with the viewers, or streamers can interact with each other by initiating a streamer challenge across live channels. Voice interaction High-quality audio with a 48 kHz sampling rate is supported. The end-to-end latency is within 300 ms. This feature is suitable for various scenarios such as voice chat room and karaoke. Audio processing ApsaraVideo Real-time Communication supports audio processing capabilities such as background music playback, music and voice mixing, in-ear monitoring, and noise reduction. Intelligent noise reduction Under the premise of high-fidelity human voice, peripheral noise is intelligently eliminated, sudden noise is suppressed, and device buzzing noise is eliminated. Quality monitoring ApsaraVideo Real-time Communication collects and analyzes large amounts of audio and video quality data and monitors the audio and video quality based on multiple dimensions and levels.

Various business features and flexible interface configurations

For various enterprise applications, ApsaraVideo Real-time Communication provides various features and flexible interface configurations to help users quickly build real-time communication scenarios. Stream mixing and relay Multiple streams can be mixed into a single stream based on specific rules. The single stream can be relayed to ApsaraVideo Live or a third-party platform. CDN acceleration Standard streaming and RTS seamlessly apply to the co-streaming feature. Viewers can smoothly start or stop co-streaming. A live channel supports more than 100,000 concurrent viewers. Cloud-based recording ApsaraVideo Real-time Communication can synchronize audio and video call images to the cloud for cloud-based stream mixing, and record and save the mixed channel content. Cloud-based transcoding ApsaraVideo Real-time Communication can mix and transcode audio and video streams, and optimize the encoding of different content in videos based on different policies, which differentiates the content in the videos. Content moderation ApsaraVideo Real-time Communication allows you to review videos and audio by seamlessly using the content moderation feature or by connecting to a third-party content moderation platform.