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Last updated: 2022-11-24 17:48:47
Use Cases
Audio calls, video calls, interactive classes, co-anchoring, remote work,
group audio/video calls, audio/video conferences, audio chat, online healthcare
Features
Feature Description Use Cases
Video call 720p/1080p one-to-one or group video calls
Each room allows up to 300 concurrent users, and up to 50 users can turn their cameras on at the same time.
Video calls, video conferencing, video socializing, online medical consultation, video customer service, video interviews
Audio call One-to-one or group audio calls with 48 kHz sample rate and dual channels
Each room allows up to 300 concurrent users, and up to 50 users can turn their mics on at the same time.
One-to-one or group audio calls, audio chat, chat-based online games
Interactive video streaming Same-room communication between anchors and audience members
Cross-room communication between anchors.
Smooth mic on/off without waiting, anchor latency less than 300 ms.
There is no upper limit on the cumulative number of anchors in a room, and up to 50 users can communicate at the same time
The low-latency live streaming mode supports streaming to up to 100,000 concurrent users, with playback latency as low as 1,000 ms.
Interactive classes, live shopping, party live streaming, same-room/cross-room communication
Interactive audio streaming Same-room communication between anchors and audience members
Cross-room communication between anchors.
Smooth mic on/off without waiting, anchor latency less than 300 ms.
There is no upper limit on the cumulative number of anchors in a room, and up to 50 users can communicate at the same time
The low-latency live streaming mode supports streaming to up to 100,000 concurrent users, with playback latency as low as 1,000 ms.
Drop-in audio chat, chat-based online games, audio chat rooms, same-room/cross-room audio communication, karaoke rooms, FM radio
Advanced Features
Feature Description Use Cases
Co-anchoring Audience members can mic on to communicate with the anchor. Smooth mic on/off without waiting. Interactive live streaming, online classes, chat rooms
Cross-room communication Anchors from different rooms can communicate with each other while audience members watch. Showroom streaming, cross-room interaction, cross-room classes
Screen sharing Share the desktop, a window (for example, a Microsoft PowerPoint window), or a portion of the desktop Online classes, PowerPoint presentation, remote support
Server-side local recording Server-side local recording relies on the Linux SDK, which is currently offered to a limited number of customers. If you have questions about the SDK or want to use it, please contact us at colleenyu@tencent.com. Recording, archiving, compliance
On-cloud recording On-cloud recording relies on the relay-to-CDN feature and leverages the capabilities of CSS to record live streaming sessions (audio/video). Recording files are saved securely and in real time to VOD. Audiovisual recording, archiving, compliance
On-Cloud MixTranscoding TRTC uses an MCU cluster to mix and transcode the audio and video streams in a room and publishes the mixed stream to CSS for on-cloud recording or CDN playback. Stream mixing, recording format conversion
High audio quality 48 kHz sample rate, end-to-end 192 Kbps bitrate, and dual channels for a clear and immersive audio interaction experience Audio calls, video calls, interactive live streaming, audio chat rooms, high-audio-quality FM radio, music classes, karaoke rooms, online classes
High video quality 720/1080p video quality Video calls, interactive live streaming, online classes
3A processing Leveraging the industry-leading 3A (acoustic echo cancellation, active noise suppression, automatic gain control) technologies of Tencent Ethereal Audio Lab, TRTC can ensure audio quality even when multiple people speak at the same time or in the presence of background noise. All audio applications
AI-based noise suppression Remove intermittent noises that traditional noise suppression technologies cannot handle, such as coughing, sneezing, and car horns Audio calls, video calls, interactive live streaming, audio chat rooms, online classes
Basic beautification Basic beautification effects including skin brightening, skin smoothing, rosy skin, and basic filters Video calls, interactive live streaming, online classes
Background music Use local music files in formats such as MP3, AAC, and WAV as background music Audio calls, video calls, interactive live streaming, interactive classes, audio chat rooms, online karaoke, FM radio
Audio effects Audio effects such as applauding, cheering, whistling, and booing Audio calls, video calls, interactive live streaming, audio chat rooms, karaoke rooms, FM radio
Publishing system audio Publish the audio you play locally, for example, the music played by QQ Music on your computer, to remote users Interactive live streaming, online classes, audio chat rooms, FM radio
Voice change Voice changing effects such as girl, man, and heavy metal Audio calls, video calls, interactive live streaming, audio chat rooms, karaoke rooms, FM radio
Reverb Reverb effects such as karaoke room, small room, hall, and shower room Audio calls, video calls, interactive live streaming, audio chat rooms, karaoke rooms, FM radio
Volume callback Data on volume levels, based on which you can generate waveform animations or send volume reminders to users Audio calls, video calls, audio chat rooms, FM radio, karaoke rooms, and speech detection
In-ear monitoring Capture local audio and play it back in the user’s earphones, usually for voice quality check or pitch control during singing Interactive live streaming, showroom streaming, karaoke rooms
Custom audio Callback of raw audio for custom processing. You can connect the SDK to non-standard external devices or use local audio files Non-standard device connection, custom audio effects, speech processing, speech recognition
Custom video Custom video sources and renderers. You can use non-camera video sources such as video files, external devices, and third-party sources Custom beautification effects, custom data sources, multi-device management, video recognition, image processing
SEI messages Embed custom information such as lyrics and questions as SEI frames into published video streams Karaoke rooms, live quizzes, interactive live streaming
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