Reason being that HDTV requires more processing than its predecessor analog broadcast, the audio portion of the signal having remained virtually the same, now, in HD mode some segments have the voice coming across faster than the image causing bad lip synch effect. When the voice delivered through HDMI does not appear synchronized, set the input audio format to PCM.ĭID YOU KNOW Since the introduction of HDTV it is not uncommon to notice very obvious terrible lip synch on screen. HDMI Input Audio Format You can set the audio format for each HDMI input port. The audio signal may be output before the video because of the time the TV takes to process much greater resolution video input. There are still a lot of content material out there such as infomercials and old TV advertisements that never got updated with any sound delay to prevent asynchronous issues on televisions displaying much greater resolution than the days of analog broadcast TV.ĪV Sync Adjustment Adjusts the synchronization of the sound from the operational speaker. User can tweak videos sync and sound output (TV speaker or SPDIF) by adjusting the Audio Video Synchronization. Audio Video Sync Test File Upgrade To A.
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