If audio does not play when controlling backward or forward during video playback,
the video file you attempted to play is likely not suitable for keyframe-based seeking.
Therefore, please refer to the steps below, change the GOM Player settings, and then try playing the video again.
※ GOM Player Settings (F5)
Playback
Playback navigation & time
At the bottom, Keyframe seeking
Set “Move by keyframes for video files” to OFF, then try playing the video again.