audio is slower than video

[silverman2012]

Hi,
i have an issue
at the first of video playing audio and video are synchronized and there is no problem
but after some seconds audio gets slower and it continues during playing. after several seconds audio will completely at at a wrong time at compare of video.
is it a hardware issue or i did something wrong?

[kyo8568131]

Hi, does the issue also appear on other video? You could try other video first. If the issue remains, please provide more information and the issue video. Thanks.