No, vcsa is essentially just a copy of what is on screen. It's not an
audio device, although it can be piped out to a speech synthesizer using
various methods such as what Fenrir uses to monitor vcsa to know what
has changed on screen or what has been added. As far as I know, the vcsa
system doesn't preclude the use of any output device to speak the
content of the screen. Fenrir just hasn't yet implemented a serial or
USB driver for hardware speech output. It's a limitation of the software
right now, not a permanent one, and not a limitation of text mode
accessibility that is exposed to userspace.
Imetumwa kutoka mipira yangu
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