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Sound and video out of sync | Bose Videobar VB-S
If audio has been paused and un-paused, try turning your product off and back on.
With some devices, pausing audio can cause audio to become slightly out of sync with accompanying video each time playback is resumed. If sync issues seem to worsen each time audio is paused and resumed, turn your product off and back on to restart the Bluetooth® connection.
With certain source devices and/or apps, a slight audio/video delay when using Bluetooth audio is normal.
Wireless audio connections can introduce a slight delay, which becomes noticeable when watching videos. Bose speakers and systems include technology designed to keep audio and video in sync. However, for this feature to work, the connected device (and app, if used) must also support the same syncing technology. If the source device or app doesn't support it, you may experience a slight mismatch between the audio and video.
Check for audio delay / sync settings in menu of the TV or other connected devices.
Many TVs or video devices (i.e. streaming media box or Blu-ray player) have audio settings, including an audio delay setting. Check for this setting in the menu of the TV and/or the device playing the video and, if available, adjust the setting.
Try playing something else to check if the issue is related to certain media.
Play different content on your system (i.e. a different channel or DVR recording) to determine if the issue is related the content.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
Try a different app.
If the issue only occurs with a particular app, it is likely related to the app or app settings.
Plug in to a different input on the TV.
Plug in to a different input section on the back of the TV using the same cable(s) to determine if the input is the issue. Whichever section you connect to, select the same input using the TV or remote control buttons to hear and/or see the device (e.g. if you connect to HDMI 3, select HDMI 3 using the TV or remote buttons).