[ALUG] AV manipulation

(Ted Harding) Ted.Harding at manchester.ac.uk
Mon Jun 8 16:23:32 BST 2009


On 08-Jun-09 15:04:26, Mark Rogers wrote:
> I have two AV tasks I need to perform, which are otherwise unrelated...
> 
> 1. I have some video for which the sound is out of sync. The video
> files use an XviD codec (not sure what sound codec). I'm looking
> for a tool to  allow me to correct them. Ideally I want something
> I can just use left/right arrow keys to jog the sound a small amount
> ahead or behind the video until it's correct, then hit save to create
> a new file. It all ought to be pretty quick (no recompression needed,
> just re-synchronising). Any suggestions?
> 
> 2. I want to take some audio files and slow them down (quite a lot) 
> without changing their pitch. I'm trying to learn to play the guitar
> and I can't play fast enough to play alongside anything yet unless
> I can slow it right down!
> 
> My desktop is Ubuntu 9.04 if that's relevant.
> --

Dunno about #1 (others will, though).

For #2, have a look at 'sox', especially option "stretch".

Ted.

--------------------------------------------------------------------
E-Mail: (Ted Harding) <Ted.Harding at manchester.ac.uk>
Fax-to-email: +44 (0)870 094 0861
Date: 08-Jun-09                                       Time: 16:23:29
------------------------------ XFMail ------------------------------



More information about the main mailing list