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= Marker Layer > Synchronize Audio  =

[[JOSMImage(audio-sync,40)]]

Synchronizes Audio provides one way to [wikitr:/Help/AudioMapping/Synchronization synchronize] audio playback (the position of the play head) at the Audio Marker where you started playing.

You need to previously have [wikitr:/Help/Action/ImportAudio imported] a WAV file to make a Marker Layer. You will also have provided an audio cue ("NOW!") on the sound track which was made at the same time as one of the waypoints.

See [wikitr:/Help/AudioMapping/Synchronization#LocFirstAudioSec method 2 of audio synchronization] for details of the procedure.

You may also need to [wikitr:/Help/AudioMapping/Calibration calibrate] your audio if the clock in your recorder isn't very accurate.

== See also ==

 * [wikitr:/Help/Action/ImportAudio Import Audio]
 * [wikitr:/Help/AudioMapping/Synchronization Synchronization]
 * [wikitr:/Help/AudioMapping/Calibration Calibration]

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Back to [wikitr:/Help/AudioMapping Audio Mapping][[BR]]
Back to [wikitr:/Help/Menu/Marker Marker Layer Context Menu][[BR]]
Back to [wikitr:/Help Main Help]