MultimediaAccessibility- a web script to help blinds to better handle videos and audio on web pages
If you are hurry, you can directly download the script of MultimediaAccessibility in your web browser by clicking this link.
The script MultimediaAccessibility is an addon for web navigators granting more habilities to handle videos and audio objects to blind people.
New keyboard shortcuts will be added, and an effort have been made to make video to start automatically after pages loading.
How to instal it ?
- You must first install the greasemonkey extension (if you are on mozilla firefox, or the tamper monkey extension if you are on google chrome.
Those extension will allow you to import the MultimediaAccessibility.user.js file into your web browser.
- After that, simply click on this link to import the MultimediaAccessibility script in your web browser.
List of shortcuts to handle videos and audio controlers on web page.
After installing the script, When you will be on a web page containing a video or an audio controler, the following key shortcus will be automatically created:
insert+space (with NVDA) or the numpad plus key (with jaws )to activate the form mode that is the mode in which the shortcuts will be accepted without conflicts. You will make the same keyboard shortcut to deactivate the form mode.
Escape to focus on the first multimedia object or to skipe the advertizing video when you are on youtube
shift+space to put pause or start the multimedia object again
shift+left or right arrow to rewind or go foreward 10 secondes
Ctrl+left or right arrow to rewind or go foreward 60 secondes
Ctrl+left or right arrow to rewind or go foreward 5 minutes;
Shift+home to go to the begining of the current multimedia object
Shift+end to go to the end of the current multimedia object
Shift+g to open the dialog box reach, to reach a particular time of the multimedia object;
Shift+up or down arro to decrease or increase the volume of the current multimedia object
ctrl+up or down arro to toggle between verious multimedia objects present on the page if there are more than one;
r or Shift+r to increase or decrease the current multimedia object's speed
d to tell the status in the selected multimedia object: for example the current position, the total duration, the current speed, if in pause, if muted, etc...
m to toggle between muted and not muted;
Shift+page down to go to the next video on youtube
u to have the URL of the current multimedia object
Some keyboard shortcuts will not work if you try them over a text area because obviously in these areas you should be able to type text.
In some web pages you will notice that Shift+space will not work to start the multimedia object. You will be forced to trigger it manually by clicking on the play button inside the page. But after that, all other shortcut will work.
On some sites, when the reader will cross to the next video, the new title and the duration will be read automatically by the vocal synthesis.
Yannick Daniel Youalé
from Cameroon, in central Africa
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