In the post-epidemic era where web video conferencing is popular, people are increasingly demanding a smooth and simultaneous audio and video usage experience for web video conferencing. Solving the problem of audio and video latency time has become critical. Network stability, bandwidth and equipment capability are all factors that may affect audio and video synchronisation; relevant standards such as ZOOM and Teams have also made relevant requirements for audio and video synchronisation.
The audio and video synchronisation test apparatus is mainly used to measure the delay time between audio and video in target video files or real-time web video conferencing. The equipment includes audio and video source generation device (LED flashing light source, speaker); audio and video signal acquisition device (photoelectric sensor, microphone); audio and video signal analysis system. It has the advantages of high analysis accuracy and easy and simple operation.
CS-VAST01 Audio-Video Synchronisation Test Equipment Specifications.
① Already recorded video (specific images)
② Live Web Video
- Video Probe Connection Cable
Equipment
Audio-Video Synchronisation Test Equipment Specifications.
Model
CS-VAST01
Measurement accuracy
1ms
Audio frequency range
20Hz ~ 20KHz
Audio sources
① Microphone ② Audio connection
Video sources
Dimensions
180mm × 250mm × 80mm (L*W*H)
Control method
Touchscreen/USB PC connection cable
Power
220V;Power<2W
Test environment
Dark and quiet room (silenced room a plus)
Work environment
Room temperature:15℃ ~ 25℃;Humidity:30% ~50%
Accessories
- Voltage adapters
- Control box body
- Computer USB connection cable
- LED light source
- Speaker、audio connection cable
- Microphone
Analysis systems
Audio and video synchronisation test and analysis system
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