Audio calls, video calls, interactive classes, co-anchoring, remote work,
group audio/video calls, audio/video conferences, audio chat, online healthcare
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 |
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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