[LauraAmerica]

Keep in mind that video and audio are two different things (I know sounds dumply obvious but is important).

It is not a rule that every mp4 that you play will have no sound since mp4 refers only to the video codec. Audio codec could and will be a totally different one.

If you have any media experience then you know some other obvious things like that it is a total waste of time, space and performance to encode a video at "480x320" --for example-- since the Vogue just has a 320x240 screen. Same goes to the audio (if you are using headphones you can higher it a bit but don't exagerate, it will be pointless in terms of quality but you will anyway pay for it).

Regards.