Problem in audio syncing in FLV video

Jul 27, 2016


I am facing an issue related to audio-syncing in FLV videos. When we import an FLV video in a project, the published output works fine locally. 

But when we upload it online on LMS, the audio gets out-of-sync. Sometimes, the audio gets paused in between but the video keeps on playing.

Also, the video keeps on playing after the timeline is finished.

I am converting a MP4 video into FLV with Adobe Media Encoder with the following settings:

  • Codec: On2 VP6
  • with Alpha Channel
  • Frame Rate: Same as source
  • Bitrate Encoding: VBR
  • Encoding Passes: Two
  • Bitrate Level: High


Has someone faced this similar issue?

Is there any work around for this?

3 Replies
Kamil Nowek

The problem is that timeline doesn't wait until all objects are full loaded. So if you open the slide with huge video, audio starts to play when slide is loaded but video needs to time to load few seconds at least.

Solution: put together your audio with video or give f.e 5 seconds for loading video and then start timeline. 

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