[vlc-devel] Re: SoC Propositions.

[Derk-Jan Hartman]

On 9-mrt-2007, at 10:48, Pedro Alonso wrote:
> Hello,
>
> I'd like to purpose another project. It would be to synchronize audio
> and subtitles. It would be done detecting the first voice in the
> movie, so considering that the first sentence of the subtitles file
> should be show in that moment, the offset could be get easy. The
> subtitles would be synchronized and the user doesn't need to care
> about it. I'd like to get some feedback and opinions about that
> project.

Sounds difficult. You have to detect the difference between a voice  
and other sounds, but more importantly, many movies start with  
"silent" titles that are translated. Also often subtitles  
(especially) anime starts with some credits of the subgroup and stuff.

The technique you describe above is often used when "authoring"  
subtitles, but notice that in such a case, there will always be  
confirmation by the author about the correct detection and of such a  
"voice fragment". There is active user involvement. I don't see how  
this can be done reliably during playback, without having the risk of  
messing up subtitles that would normally be working just fine.

DJ


> On 3/8/07, Jean-Baptiste Kempf <jb at videolan.org> wrote:
>>
>> On Mon, Mar 05, 2007, Jean-Baptiste Kempf wrote :
>> > hello,
>>
>> http://wiki.videolan.org/SoC_2007 is the final page. Please don't
>> destroy it and don't make any commentaries inside it.
>>
>> You should:
>> - correct the language,
>> - correct inaccuracies,
>> - modify RTSP section (jpsaman, thedj and courmisch, please)
>> - tell if we keep the VLM Schedule rework or not (I have no idea)  
>> fen, please!
>>
>> I'll post the application tonight.
>>
>> If you are a mentor and haven't given me a google account, then it is
>> baaad.
>>
>> Thanks a lot, guys,
>>
>> gtz
>>
>> --
>> Jean-Baptiste Kempf
>> http://www.jbkempf.com/
>>
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