Viki,

You may be able to use a free tool my organization offers, Media Access
Generator (MAGpie):

http://ncam.wgbh.org/invent_build/web_multimedia/tools-guidelines/magpie

MAGpie can import SAMI, although since SAMI is a very wide specification,
it's possible that it won't do a great job on all SAMI files.

"Timed Text" is slightly more complex. There's a specification for a Timed
Text *track* inside an MPEG-4 (or 3GP) media file. But there's no standard
*external* format for such a track. The latest MAGpie version can create the
MP4BOX version of an external representation of that, and MAGpie can even
mux that file into the MPEG-4 file, creating a copy of the media clip that
has the binary Timed Text track inside the media clip.

I hope this solves your problem.

-Madeleine

-- 
Madeleine Rothberg
Project Director
Carl and Ruth Shapiro Family National Center for Accessible Media at WGBH
http://ncam.wgbh.org
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On 6/21/10 8:00 AM, "GALT Viki" <[log in to unmask]> wrote:

> Dear All,
> I am wondering if anyone might be able to help. Does anyone know anyway to
> convert SAMI subtitle code into Timed Text XML subtitle code also know as MPEG
> -4 timed Text - any suggestions very welcome!!
> Many thanks
> Viki
> 
> Viki Galt
> Disability Information Officer,
> 5 Buccleuch Place
> Edinburgh University
> Edinburgh
> EH8
> 0131 6506645
> 
> 
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> Scotland, with registration number SC005336.