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This article mentions some details about Orca ([[DebianPkg:GNOME-ORCA]]) in Debian. Orca is the graphical screen reader for the GNOME environment. | This article mentions some details about Orca ([[DebianPkg:GNOME-ORCA]]) in Debian. Orca is the graphical screen reader for the GNOME environment, but works with others, too. |
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installed a desktop system, accessibility is enabled by default and you only have to install Orca. This only works for GNOME, Mate, Cinnamon and Unity at the moment, but can be activated manually. See | installed a desktop system, accessibility is enabled by default and Orca was installed for you automatically. This only works for GNOME, Mate, Cinnamon and Unity at the moment, but can be activated manually. See |
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1. {{{sudo aptitude install gnome-orca}}} | 1. In a terminal, type {{{sudo aptitude install gnome-orca}}}, to install orca. * If you are using one of GNOME, Mate, Cinnamon or Unity, the next steps should not be required for you. |
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Orca has support for two rendering engines, Gecko and WebKit. The former is used within DebianPkg:firefox and has the best support. There are several WebKit browsers and they work to a certain degree, but cannot be considered production-ready with Orca yet. You need to press F7 in those browsers to activate caret browsing. | Orca has support for two rendering engines, Gecko and WebKit. The former is used within DebianPkg:firefox and has the best support. The latter, Webkit, is used within avrious browsers. They work to a certain degree, but cannot be considered production-ready with Orca yet. You need to press F7 in those browsers to activate caret browsing. |
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WARNING: unstable and experimental aren't have their names without reason! | WARNING: unstable and experimental don't have their names without reason! |
Translation(s): Deutsch - English - Español - Français - Italiano
This article mentions some details about Orca (GNOME-ORCA) in Debian. Orca is the graphical screen reader for the GNOME environment, but works with others, too.
Contents
Setup
Debian installer
If you have enabled accessibility during the Debian installation and also installed a desktop system, accessibility is enabled by default and Orca was installed for you automatically. This only works for GNOME, Mate, Cinnamon and Unity at the moment, but can be activated manually. See the section on autostarting Orca.
Installation and configuration on a usual Debian system
If you installed Debian without accessibility features, you should do the following steps:
In a terminal, type sudo aptitude install gnome-orca, to install orca.
- If you are using one of GNOME, Mate, Cinnamon or Unity, the next steps should not be required for you.
In a graphical session, open a terminal or press Alt+F2 and type orca -s to start the setup. If you are unable to do so, it is best to enable the autostart of Orca and run the setup with Orca support with the command orca -r -s.
- In the dialog(s), you can select the options you like, including Orca modifier, etc. After this procedure, Orca should start automatically.
Magnification
Orca does not offer magnification itself, however a variety of solutions exist, which are documented ?here
Browsing
Orca has support for two rendering engines, Gecko and ?WebKit. The former is used within firefox and has the best support. The latter, Webkit, is used within avrious browsers. They work to a certain degree, but cannot be considered production-ready with Orca yet. You need to press F7 in those browsers to activate caret browsing.
Alternatively, there are several text-mode browsers for the console available too, but they are obviously less convenient.
Other speech synthesizers
Orca uses a backend service called speech-dispatcher to access various speech synthesizers. If you want to tweak available options, please see the Speech-Dispatcher section.
Newer, experimental versions of Orca
If you don't want to compile Orca from source but still try a newer version (at your own risk), you can try using the version from unstable (or if available, from experimental). For this, you have to configure apt-pinning. Add a Debian unstable / experimental-source of Debian, update your package lists and run
sudo aptitude -t unstable install gnome-orca
WARNING: unstable and experimental don't have their names without reason!
NOTE: It is possible, that after this the gdm greeter is not any longer able to start Orca at the login screen.
See Also
http://live.gnome.org/Orca - The official Orca page with lots of tutorials
accessibility - The Debian wiki page (about accessibility) with some hints also related to Orca and BrlTTY