Fix it wrote:

Vidomi was recently recommended to me to resolve some sound sync problems.

Unless I am getting confused here it appears that there have been no
updates since 2002.

Is this the download you have: http://www.vidomi.com/
Then you have the latest version, you maybe looking at
a "date" on th encoder.

Yes it is but if I click on properties on the encoder.exe I get the
following;

Created and modified on 15 June 2002

Geoff Lane