Features

Last updated: 2021-07-30 18:32:54

    Basic Features

    FeatureDescriptionCommon Use CasesBilling
    Video call
    • One-to-one or group video calls, which support 720p and 1080p definitions
    • Each room can accommodate up to 300 concurrent users, and up to 50 of them can enable their cameras at the same time.
    One-to-one video calls, video conferences with up to 300 attendees, online medical consultation, video chat, video customer service, video interviews, audiovisual recording, online insurance claim settlement, and video Werewolf Billing of video calls
    Audio call
    • One-to-one or group audio calls, which support the 48 kHz sample rate and dual channels.
    • Each room can accommodate up to 300 concurrent users, and up to 50 of them can enable their mics at the same time.
    One-to-one or group audio calls, voice chat, audio conferences, audio customer service, and audio Werewolf Billing of audio calls
    Interactive video live streaming
    • Cross-room anchor competition
    • Smooth mic connection/disconnection with no waiting periods; anchor latency below 300 ms
    • Live streaming to up to 100,000 concurrent viewers and playback latency as low as 1,000 ms in the low-latency live streaming mode
    • No upper limit on the number of viewers in the CDN relayed live streaming mode
    Low-latency video live streaming, interactive classrooms with up to 100,000 participants, live video competitions, video dating, remote training, large-scale conferences, etc. Billing of interactive video live streaming
    Interactive audio live streaming
    • Cross-room anchor competition
    • Smooth mic connection/disconnection with no waiting periods; anchor latency below 300 ms
    • Live streaming to up to 100,000 concurrent viewers and playback latency as low as 1,000 ms in the low-latency live streaming mode
    • No upper limit on the number of viewers in the CDN relayed live streaming mode
    Low-latency audio live streaming, live audio co-anchoring, live audio competitions, voice chat rooms, audio dating, karaoke rooms, FM radio, etc. Billing of interactive audio live streaming

    Advanced Features

    Feature Description Common Use Cases Billing
    Cross-room competition Anchors from different rooms compete with each other while viewers watch. Live show streaming, cross-room teaching, etc. You will be charged basic service fees for using this service.
    Screen sharing Sharing the desktop, a window (e.g., a PowerPoint playback window), or a desktop section of the local user to others Online classrooms, slide sharing, remote assistance, etc. You will be charged basic service fees for using this service.
    On-cloud recording TRTC leverages the capabilities of CSS and the relayed push technology to offer on-cloud (audio/video) recording throughout a call. Recording files are saved reliably and in real time in VOD. Audiovisual recording, archiving, compliance, etc. On-cloud recording is a value-added service, for which you will be charged an additional on-cloud recording fee
    Local server recording (Audio/video) recording on a local server. To try this feature out, contact us for the SDK and instructions. Audiovisual recording, archiving, compliance, etc. You will be charged basic service fees for using this feature.
    High audio quality
  • High audio quality at 48 kHz sample rate
  • Stereo with left and right audio channels, comparable in audio quality to CDs
  • Audio calls, video calls, interactive live streaming, voice chat rooms, high-quality FM radio, music classes, karaoke rooms, online classrooms, etc. Free
    High image quality 720p and 1080p HD videos Video calls, interactive live streaming, online classrooms, etc. Free
    3A processing TRTC uses the industry-leading Tencent Real-time Audio Engine (TRAE) for acoustic echo cancellation (AEC), active noise suppression (ANS), and automatic gain control (AGC) to deliver better audio quality when multiple people speak at the same time or in the presence of background noises. All audio scenarios Free
    Basic beauty filters Basic beauty filters such as skin brightening, skin smoothing, and rosy complexion Video calls, interactive live streaming, online classrooms, etc. Free
    Background music Using local music files in the formats of MP3, AAC, WAV, and others as background music Audio calls, video calls, interactive live streaming, online classrooms, voice chat rooms, karaoke rooms, FM radio, etc. Free
    Audio effects Adding audio effects such as applauding, cheering, whistling, and booing during a call Audio calls, video calls, interactive live streaming, voice chat rooms, karaoke rooms, FM radio, etc. Free
    Local background audio Sending audio played locally, for example, the music played via QQ Music on the local user’s computer, to others Interactive live streaming, online classrooms, voice chat rooms, FM radio, etc. Free
    Voice changing Voice effects such as little girl, middle-aged man, and heavy metal Audio calls, video calls, interactive live streaming, voice chat rooms, karaoke rooms, FM radio, etc. Free
    Reverb Reverb effects such as karaoke room, small room, concert hall, and bathroom Audio calls, video calls, interactive live streaming, voice chat rooms, karaoke rooms, FM radio, etc. Free
    Volume callback Showing volume in waveform animations or via prompts Audio calls, video calls, voice chat rooms, FM radio, karaoke rooms, voice activity detection, etc. Free
    In-ear monitoring Recording local audio and playing it back in the local user’s audio, usually for detection of speech errors or pitch control during singing Interactive live streaming, live show streaming, karaoke rooms, etc. Free
    Custom audio data Calling back raw audio for custom processing. You can connect the SDK to non-standard external devices or use audio files, etc. Non-standard device connection, custom audio effect, speech processing, speech recognition, etc. Free
    Custom video data Custom video sources and renderers. Non-camera video sources such as video files, external devices, and third-party custom data sources can be used. Custom beauty filters, custom data sources, multi-device management, video recognition, image processing, etc. Free
    SEI information Embedding custom information such as lyrics and questions as SEI frames into video streams Karaoke rooms, live quizzes, interactive live streaming, etc. Free

    Extended Features

    Note:


    Extended features are value-added services provided by TRTC in collaboration with other Tencent Cloud products and are charged according to the billing standards of the corresponding products.

    Feature Description Common Use Cases Billing
    CDN live streaming TRTC uses relaying and transcoding clusters to convert its UDP audio/video streams into RTMP streams in the cloud, which are then pushed to the standard live streaming system and distributed through CDNs to viewers. Interactive live streaming, live sharing, large-scale conferencing, live stream watching by remote viewers, etc. Relayed live streaming is a value-added service and is charged by CSS. For more information, please see CDN Relayed Live Streaming > Applicable Fees.
    Instant messaging (IM)
  • TRTC leverages the capabilities of IM, including one-to-one chat, group chat, and chat rooms with no upper limit on user number, to enable features such as chatting, commenting, and sending on-screen comments, gifts, and likes.
  • IM can also be used for signaling-based interaction, call making, and user number counting.
  • Online customer service, interactive live streaming, interactive classrooms, remote training, etc. IM is a value-added service and is charged by IM. For more information, please see IM > Purchase Guide > Pricing.
    Speech content moderation Detecting pornographic, politically sensitive content, etc. for content-related risk management Business security protection, compliance, etc. Speech content moderation is a value-added service and is charged by Business Security Protection (BSP). To try it out, contact us to activate the service.
    Video content moderation Detecting pornographic, politically sensitive content, etc. for content-related risk management Business security protection, compliance, etc. Video content moderation is a value-added service and is charged by CSS. For more information, please see Intelligent Porn Detection.