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Compare editions Paid editions include all features of the Free edition, plus the capabilities listed below.
Function SRT USB CAM SRT USB CAM PRO USB Camera Capture ○ ○ Real-time SRT Transmission ○ ○ SRT Connection Mode (Caller, Listener) ○ ○ SRT Encryption ○ ○ AAC-LC Audio Transmission ○ ○ Test Signal ○ ○ Connection Controls ○ ○ Live Statistics ○ ○ Debug Diagnostics ○ ○ Per-Camera Settings ○ ○ MPEG-TS Recording ○ ○ OpenH264 Encoder ○ ○ Preview FPS Selection × ○ Audio Monitor × ○ Multi-Instance × ○
○ Included · × Not included
Verified information
System requirements
Device PC
Architecture x64
Minimum OS Windows 10, version 17763.0 Requirements shared by the listed editions are shown.
Application views
Screenshots The same screenshots represent both the Free and PRO editions.
SRT USB CAM / SRT USB CAM PRO SRT USB CAM Basic and Monitor tabs shown side by side 1 of 6
Verified changes
Release history SRT USB CAM · Version 1.0.6 Store display date: 2026-07-20
Added a choice of SRT caller or listener mode. Added selectable histories of the 20 most recently used destination IP addresses and ports. Added SRT encryption with a passphrase and selectable key length. SRT USB CAM · Version 1.0.5 Date not verified
Improved preview display. PRO users can select 10 or 60 Preview FPS; the free version uses 10 FPS. Improved video/audio timestamp handling and MPEG-TS PTS/DTS for more stable A/V sync. Added queued camera and audio input processing for more stable capture under load. Added per-device camera settings that are restored when a camera is selected again. Added a Debug tab for input timestamps, sent PTS, and Test Signal Drop Counts. Changed Monitor Cam FPS and Enc FPS to two decimal places and reduced Audio Level flicker. SRT USB CAM · Version 1.0.4 Date not verified
Added USB microphone/audio input selection and AAC-LC multiplexing into MPEG-TS. Added audio level, mute, CH1/CH2 delay, and input level controls. (PRO ONLY) Added 25/29.97/50/59.94 FPS and 1 kHz test audio to Test Signal. Added Test Signal fallback when a saved camera format is unavailable. Added Auto Start. SRT USB CAM · Version 1.0.3 Date not verified
Changed the UI to a tabbed layout and reorganized item display and controls for better usability. Added settings export/import and stream ID configuration. Added MPEG-TS recording controls. Added OpenH264 and MediaMTX support. Added MPEG-TS null stuffing. Help
Documentation and FAQ