If the entertainment hub gets shifted to the audio video receiver or sound bar, there is no point incorporating ARC function in the equation. The Audio Return Channel (ARC) is designed to get used when all audio video sources are hooked up to the TV for the screen to display the picture while the HDMI ARC input port gets to alter direction sending the audio signal to the external audio device. To avoid any further aggravation, make sure the external audio equipment’s HDMI output is connected to any HDMI port at the rear of the television at the exception of the ARC port. SHOULD ISSUE STRICTLY BE DETECTED WHEN VIEWING/STREAMING DOLBY ATMOS CONTENT, PLEASE REFER TO THE FOLLOWING:įor any individual still experiencing asynchronous audio video (lip sync) issues on their LG Smart TV from hooking up peripheral device to the television and viewing 4K content material, please ensure TV software has been updated to latest version or greater.Īnother suggestion is to keep the setup simple and have the Audio Video Receiver or Sound Bar take the role of the entertainment hub instead of the television. In the television’s settings menu, set HDMI ARC Also, Audio/Video delay takes place depending on the device connection methodĪudio process time loss can be minimized by directly connecting the audio input device (Blu-ray player, set top box, gaming console, etc.) to the audio output device. Most field environments (depending on various connections, settings risk causing audio delayīasically, audio delay during the ARC or Optical Audio output results from various factors such as decoding time, Sound Engine time, output buffer, etc.

AV Sync Adjustment, implement Audio Delay to control AV Sync (range is about 300ms)

Apple dvd player offset audio