- From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- Date: Tue, 29 Nov 2011 10:42:06 +1100
- To: Christian Vogler <christian.vogler@gallaudet.edu>
- Cc: Ian Hickson <ian@hixie.ch>, public-texttracks@w3.org
I think that's indeed the effect that YouTube is trying to replicate, but hasn't quite got right yet. So, this is indeed a much better example to explain roll-up captions. Thanks, Silvia. On Tue, Nov 29, 2011 at 10:39 AM, Christian Vogler <christian.vogler@gallaudet.edu> wrote: > 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 Monday, 28 November 2011 23:42:58 UTC