STMLink - Focused on Integrated Audio & Video Communication Components

Private RTC cloud video conferencing system, integrating PC, APP, browser, H5, mini-program, Instant Apps and other software terminals
Integration with Zoom, Agora, Tencent Meeting, Yealink, DingTalk and other third-party cloud meeting systems
Integration with traditional SIP/H323-based communication systems, terminal devices, and GB28181/ONVIF-based surveillance devices
Integration with cutting-edge voice/video AI capabilities
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Integrated Audio & Video Communication Components

Our Products

Private Video Conferencing Service

2000+ real-time participants per room, 50k+ for webinars
Audio (microphone) / Video (camera) / Real-time IM / Screen sharing / Electronic whiteboard
1080P / Beauty filter / AI noise reduction / Poor network optimization
Host role / Meeting control / Data statistics / Quality monitoring
Meeting recording / Speech-to-text / Meeting minutes
Video Conferencing

Meeting Room Connector

SIP Integration Gateway

Integration with traditional SIP / H323 / GB28181 / ONVIF protocol devices
Broadcasting intercom / Fixed phone / IP phone / SIP video phone
4G/5G public network intercom / Private network intercom / PDT
Command center / Law enforcement equipment / Handheld devices / Vehicle-mounted equipment
Surveillance cameras / Drones etc.

Cloud Meeting Gateway

Interconnection with third-party video conferencing systems
Zoom / Agora / Tencent Meeting / Yealink / DingTalk Meeting etc.
Support secure interaction: Data exchange between internal and external networks through optical isolation
Meeting Room Connector

AI Agent

Real-time audio/video stream interaction with AI large models
Speech Recognition STT(ASR) / Text-to-Speech TTS / Real-time Translation / Image Recognition / Realtime AI / Multimodal
AI Agent

Cloud Recording and Transcoding Service

Support GPU encoding/decoding
Support any codec format / container format output
Subtitles / Watermarks / Overlays, adjust resolution / frame rate / bitrate
Support multiple storage: Disk / S3 / NFS
Support real-time stream output: RTC / RTSP / SIP / RTMP
Cloud Recording and Transcoding

Private Live Streaming Service

Support RTMP / WebRTC streaming
Support cloud recording composite stream to live streaming
Support PC web viewing / mobile H5 viewing / APP embedded viewing / RTMP, FLV, M3U8 stream URL viewing
Support millions of concurrent viewers, pure intranet viewing, external network access, and CDN acceleration
Support lucky draw / voting / shopping / sharing / chatting / liking
Live Streaming

Core Advantages

End-to-End Security

  • Fully private deployment available
  • Supports data encryption, stream encryption, authentication, and access control to maximize protection of meeting content and participant privacy
  • Custom authentication support to prevent unauthorized access

Self-Developed Technology

  • Self-developed and optimized full chain from capture, pre-processing, encoding, transmission, decoding, post-processing to rendering
  • Outstanding AI noise reduction, supporting mainstream audio codecs including G711, AAC, Opus
  • HD video experience with adaptive resolution from 180p to 4K, intelligent software/hardware encoder selection, supporting simulcast and mainstream video codecs including H264, H265, VP8, VP9, AV1, AVS3

Cross-Platform Compatibility

  • Windows, Linux, Kylin, Uos, Mac, Android, iOS, Web, WeChat Mini Program, Embedded Terminals, Video Conference Terminals, Surveillance Cameras, PSTN
  • Proprietary Streaming Protocol, WebRTC, RTMP, RTSP, SIP, H323, GB28181, ONVIF
  • X86, ARM, Loongson

Network Resilience

  • Smooth video with 30% packet loss, smooth audio with 50% packet loss
  • Adaptive audio/video transmission with bandwidth as low as 100kbps
  • Innovative weak network optimization algorithms including dynamic buffer, adaptive framerate, adaptive bitrate, packet loss compensation, I-frame splitting, and dynamic simulcast

Flexible Deployment

  • Private Cloud: Enterprise internal network deployment for maximum security
  • Public Cloud: Global access points for quick and convenient deployment
  • Hybrid Cloud: Internal and external connectivity, balancing security and convenience

Dedicated Service & Support

  • Simplified AV integration delivery through self-developed media capabilities and professional technical integration
  • Custom feature development and dedicated module support
  • Automated real-time quality monitoring, anomaly alerts, user manuals, remote technical support, and regular maintenance

Contact Us

Contact Information

Room 901, Pioneer Technology Building, Binjiang District, Hangzhou, Zhejiang, China
contact@seastart.cn
+86-138-5713-5304