Henri Sivonen wrote:
In that case, an entire alternative soundtrack encoded using a general-purpose codec would be called for. Is it reasonable to expect content providers to take the bandwidth hit? Or should we expect content providers to provide an entire alternative video file?
Just for comparative purposes, the BBC iPlayer apparently uses three downloads: 1. Standard. 2. BSL. 3. Audio described (almost twice the size of Standard). All three have closed-captioning. Source: http://www.bbc.co.uk/blogs/access20/2007/05/audio_description_on_the_iplay.shtml -- Benjamin Hawkes-Lewis
