If a speaker has an unexpected amount of additional latency, audio may not be heard in perfect sync. In rare cases, however, a device may have a separate delay which causes it to fall out of sync. Most users should have no need to manually adjust the sync offset. Like VLC, it offers manual controls within the video settings overlay, as well as from the Audio menu in the menu bar.Īirfoil automatically works to keep any and all devices to which it's streaming in sync with one other.

Please note, however, that this usage is not supported.Īnother option is IINA, a newer video player made for MacOS. With the right manual configuration, you may be able to sync remote audio with local video. Using the sync adjustments available in VLC, you can offset audio playback from video playback, to workaround the delays noted above. While we generally do not recommend doing so, it is possible to use Airfoil in conjunction with media player apps which offer a manual sync adjustment. Because of the audio delays inherent in transmitting audio, remote audio will be heard out of sync with local video, resulting in a sub-optimal viewing experience. Audio delays and video playbackĪirfoil is not intended for use with local video playback.

Bluetooth: A variable delay, depending on their connection, generally not exceeding two seconds.Īirfoil will delay all playback to match the highest delay required.

Local “Computer” output: Virtually no delay.

When starting your audio streaming with Airfoil, the initial transmission delay will vary based on the exact devices you're streaming to.

As a result, remote playback of audio streamed with Airfoil will be slightly delayed, so it can be heard in sync from all devices. The audio protocols Airfoil uses to stream to devices feature inherent delays.

Airfoil audio delay