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Features

Last updated: 2024-11-14 11:48:05

    Basic Features

    Feature
    Description
    Use Cases
    Billing
    Video call
    720p/1080p one-to-one or group video calls
    Each room allows up to 300 concurrent users, and up to 50 of them can turn their cameras on at the same time.
    One-to-one video calls, video conferences with up to 300 participants, online medical consultation, video chat, video customer service, video interviews, dual-channel recording, online insurance claim settlement, and video-based party games
    Audio call
    One-to-one or group audio calls, which support 48 kHz sampling and dual channels
    Each room allows up to 300 concurrent users, and up to 50 of them can keep their mics on at the same time.
    One-to-one or group audio calls, voice chat, audio conferences, audio customer service, and audio-based party games
    Interactive video streaming
    Video communication between anchors and audience members
    Cross-room anchor communication
    Smooth mic on/off without waiting; anchor latency less than 300 ms
    No upper limit on the cumulative number of co-anchoring users in a room; up to 50 users can keep their mics on at the same time.
    Streaming to up to 100,000 concurrent users and a playback latency as low as 1,000 ms in the low-latency live streaming mode
    No upper limit on audience size in the CDN live streaming mode
    Low-latency live video streaming, interactive classrooms with up to 100,000 participants, live video competitions, video dating, remote training, large-scale conferences
    Interactive audio streaming
    Audio communication between anchors and audience members
    Cross-room anchor communication
    Smooth mic on/off without waiting; anchor latency less than 300 ms
    No upper limit on the cumulative number of co-anchoring users in a room; up to 50 users can keep their mics on at the same time.
    Streaming to up to 100,000 concurrent users and a playback latency as low as 1,000 ms in the low-latency live streaming mode
    No upper limit on audience size in the CDN live streaming mode
    Low-latency live audio streaming, live audio co-anchoring, live audio competitions, audio chat rooms, audio dating, karaoke rooms, FM radio
    Uses a recording MCU cluster to record the upstream audio and video streams in a room either separately or after mixing. Recording files are saved securely and in real time to VOD.
    Dual-channel recording, archiving, compliance
    On-cloud recording is a value-added service and incurs additional fees.
    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
    On-Cloud MixTranscoding is a value-added service and incurs additional fees.
    Uses a relay and transcoding cluster to convert UDP streams into RTMP streams in the cloud, pushes the streams to CSS, and distributes them via CDNs.
    Interactive live streaming, live sharing, large-scale conferencing, live stream viewing by remote users
    Relay to CDN is a value-added service and is charged by CSS. For details, see Relay to CDN > Billing.

    Advanced Features (Paid)

    Feature
    Description
    Use Cases
    Billing
    AI noise suppression
    AI noise suppression can eliminate sounds that traditional noise reduction cannot, such as coughing, sneezing, car honking, and other non-stationary noises.
    To initiate, select TRTCAudioQualitySpeech for sound quality in startLocalAudio (using iOS as an example).
    Audio call, video call, interactive live streaming, audio chat room, online class
    Buy a TRTC monthly package to unlock these features.
    Less stutter under poor network conditions
    Reduces stutter rate and loading time under poor network conditions.
    Audio call, video call, interactive live streaming, audio chat room, online class
    Publishes and plays streams using RTMP.
    Online class, sports event streaming
    3D spatial audio
    Delivers different audio effects according to the face orientation of a virtual anchor and the orientation and location of audio sources to enable a spatial and life-like sound experience.
    Audio chat room, karaoke room, FM radio, virtual concert, online gaming
    Scaled video coding
    Leverages the O264RT coding technology of Tencent Media Lab to reduce loading time, notably cut bandwidth consumption, and improve compatibility with devices.
    Video call, online class, interactive live streaming
    Region of interest coding
    Reduces CPU usage and delivers a video experience with the lowest possible latency and highest possible quality in most scenarios.
    Video call, online class, interactive live streaming
    The anchor can publish videos and share the screen at a resolution of 2K/4K (only 2K+ is supported on PC and web currently).
    Video call, online class, interactive live streaming
    Voice changing effects
    Uses acoustic algorithms to change the sound of a speaker's voice.
    Audio chat room, karaoke room, FM radio, virtual concert, online games, etc.

    Other Advanced Features

    Feature
    Description
    Use Cases
    Billing
    Anchor-audience communication
    Audience members can turn their mics to communicate with the anchor. The mic-on/off process is smooth and requires no waiting.
    Interactive live streaming, online class, chat room
    The feature itself is free, but audio/video call or live streaming durations will be generated when you use this feature, so TRTC basic service fees will be incurred.
    Cross-room communication
    Anchors from different rooms can communicate with each other while audience members watch.
    Showroom streaming, cross-room match, cross-room class
    The feature itself is free, but audio/video call or live streaming durations will be generated when you use this feature, so TRTC basic service fees will be incurred.
    Screen sharing
    The anchor can share the desktop, a window (for example, a Microsoft PowerPoint window), or a portion of the desktop to others.
    Online class, slide sharing, remote assistance
    The feature itself is free, but audio/video call or live streaming durations will be generated when you use this feature, so TRTC basic service fees will be incurred.
    Local server recording
    Server-side recording relies on the Linux SDK, which is not commercially available yet. If you have questions about the SDK or want to use it, please contact us at colleenyu@tencent.com.
    Dual-channel recording, archiving, compliance
    The feature itself is free, but audio/video call or live streaming durations will be generated when you use this feature, so TRTC basic service fees will be incurred.
    High sound quality
    48 kHz sample rate, end-to-end 192 Kbps bitrate, and dual channels for a clear and immersive audio interaction experience
    Audio call, video call, interactive live streaming, audio chat room, high-audio-quality FM radio, music class, karaoke, online class
    Free
    High video quality
    720/1080p video quality
    Video call, interactive live streaming, online class
    Free
    3A processing
    Leverages the industry-leading 3A (acoustic echo cancellation, active noise suppression, automatic gain control) technologies of Tencent Ethereal Audio Lab to deliver high audio quality even when multiple people speak at the same time or in the presence of background noises.
    All audio scenarios
    Free
    Basic beauty filters
    Basic beautification effects, including skin brightening, skin smoothing, rosy skin, and basic filters
    Video call, interactive live streaming, online class
    Free
    BGM
    The anchor can play an audio file in MP3, AAC, or WAV format as background music during a call or live stream.
    Audio call, video call, interactive live streaming, online class, audio chat room, karaoke room, FM radio
    Free
    Audio effects
    Audio effects such as applauding, cheering, whistling, and booing
    Audio call, video call, interactive live streaming, audio chat room, karaoke, FM radio
    Free
    Publishing computer audio
    The anchor can publish the audio they play locally, for example, the music played by QQ Music on their computer, to remote users.
    Interactive live streaming, online class, audio chat room, FM radio
    Free
    Voice changing
    Voice changing effects such as little girl, middle-aged man, and metal
    Audio call, video call, interactive live streaming, audio chat room, karaoke, FM radio
    Free
    Reverb
    Reverb effects such as karaoke, small room, hall, and shower room
    Audio call, video call, interactive live streaming, audio chat room, karaoke, FM radio
    Free
    Audio volume callback
    Callback of audio volumes, which you can use to display audio waveforms or show volume reminders
    Audio call, video call, audio chat room, FM radio, karaoke, and speech detection
    Free
    In-ear monitoring
    Records local audio and plays it back in the local user’s earphones, usually for detection of speech errors or pitch control during singing
    Interactive live streaming, showroom streaming, karaoke
    Free
    Custom audio data
    Callback of raw audio captured from a non-standard external device or a local audio file for custom processing.
    Non-standard device connection, custom audio effect, speech processing, speech recognition
    Free
    Custom video data
    Custom video sources (such as video files, external devices, and third-party data sources) and renderers
    Custom beauty filters, custom data sources, multi-device management, video recognition, image processing
    Free
    SEI message
    Embeds custom information such as lyrics and questions as SEI frames into published video streams.
    Karaoke, live quiz, interactive live streaming
    Free
    

    Extended Features

    Note
    Extended features are provided by other Tencent Cloud products and are charged according to the billing standards of the corresponding products.
    Feature
    Description
    Use Cases
    Billing
    Chat
    You can use the capabilities of Tencent Cloud Chat, including one-to-one chat, group chat, and chat rooms with no upper limit on the number of users, to implement features such as chat, comments, on-screen comments, gift sending, and liking.
    You can also use Chat to implement signaling-based interaction, call invitations, and user counting.
    Online customer service, interactive live streaming, interactive classroom, remote training
    These features incur Chat fees. For details, see Pricing.
    AI beauty filters
    Diverse effects enabled by face recognition technologies, such as AI-based beautification, makeup effects, facial feature adjustment, and green screen keying
    Video call, interactive live streaming, showroom streaming
    This feature incurs Tencent Effect SDK fees.
    
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