Audio/Video Out of Sync

[RS]

>From: Jim web
>Sent: Monday, August 15, 2016 10:14
> >From: Jim web Sent: Sunday, August 14, 2016 16:48

> >However the 'American in Paris' snippet file I fetched gives no sound
> >at all from VLC! The video looks fine, but its a silent film! 8-)

Does this have any relevance to your silent problem?
https://squarepenguin.co.uk/forums/thread-988.html
The title of the thread is loss of audio on conversion of video when using 
mode hvf