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Overview
Chapter 10 Testing Lipsync
312
This chapter provides procedures for testing the HDMI Auto Lipsync Correction feature.
The 882 can be configured to:
•
emulate an HDMI source device to test an HDMI sink (display) device
•
(optional feature) emulate an HDMI sink (display) device to test an HDMI source
device.
With the 882, you can obtain audio and video latency values from the EDID of a connected
display, generate a test image with audio/video latency correction applied, and view the
image on the display device to determine correct audio/video synchronization.
With the analyzer option, you can test the lipsync correction feature of a HDMI source
device. The analyzer can emulate a display device with audio and video latency. Using a
test image, the source device applies audio/video latency correction and sends back the
test image to the analyzer. Using a built-in application, the analyzer measures for the
correct audio/video latency.
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