Re: Roll-up captions in WebVTT

Take a look here: http://www.youtube.com/watch?v=F_q-RRXw-vY

In that video, roll-up is actually very readable and leads the eye
very well with respect to focusing attention. No captioning or steno
errors in this video, but I hope this gets the point across.

Christian

On Mon, Nov 28, 2011 at 6:36 PM, Christian Vogler
<christian.vogler@gallaudet.edu> wrote:
>> That's like ten times more annoying to read than the normal captions on
>> that video. I think if we are to support roll-up captions we need a far
>> more convincing use case.
>
> Two points in response:
>
> 1. Roll-up captions are essential for live captioning where the text
> is transmitted as the captioner types, especially when steno errors
> and subsequent corrections are factored in.  Another issue is the
> sheer number of words per minute during live captioning, where without
> roll-up you would end up missing the context half of the time. This
> usage scenario is very common during live broadcasts in the United
> States, where captions are not only roll-up, but also appear word by
> word, instead of line by line. I'll check around if I can find a video
> clip that shows this clearly.
>
> 2. The implementation of roll-up in this video is poor. The
> positioning and alignment jumps around with every roll up, which of
> course makes it very hard to read.
>
> Now come to think of it, a corollary is that roll-up support by itself
> is not sufficient. You also need a way to paste on captions live word
> by word for it to be truly useful.
>
> Best regards
> Christian
> --
> Christian Vogler, PhD
> Director, Technology Access Program
> Department of Communication Studies
> SLCC 1116
> Gallaudet University
> http://tap.gallaudet.edu/
> VP: 202-250-2795
>



-- 
Christian Vogler, PhD
Director, Technology Access Program
Department of Communication Studies
SLCC 1116
Gallaudet University
http://tap.gallaudet.edu/
VP: 202-250-2795

Received on Thursday, 1 December 2011 09:21:10 UTC