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Re: Lubuntu and Accessibility


Hi Jonathon,

In that respect, I am also awaiting where the accessibility team is going.
With what has occurred with Speech Control I'm also trying to find the
direction out myself, hence my request to them!



On Tue, May 24, 2011 at 5:14 PM, Jonathan Marsden <jmarsden@xxxxxxxxxxx>wrote:

> On 05/24/2011 01:17 AM, Yorvyk wrote:
> > A 700 MHz PIII Celeron with 256 MiB of PC100 RAM and a 100 MHz drive
> > is quite usable.  A 200 MHZ PIII Celeron and 128 MiB of 66MHz RAM
> > with a 33 MHz drive is dog slow.  If you add a screen reader into
> > the mix I think the later set-up would become unusable.
> I'm now confused.
> (A) I am not used to seeing drive (presumably hard disk drive)
> performance being measured in Mhz -- what *is* this?
> The common ways to gauge hard drive performance that I know of are:
>  * sustained data transfer rate (in MBytes/sec)
>  * sustained I/O operations per second (IOPS/sec)
> Lower level (and IMO less useful) measures include average seek time,
> and rotational latency... those are measured in milliseconds, not MHz.
> Conventional hard drives are (generally speaking) never bottlenecked by
> their theoretical maximum interface data transfer speed, so this is not
> a useful drive performance metric (but *is* sometimes measured in MHz...
> so maybe that is what you are using?).
> (B) This message seem to imply that "accessibility" means "screen
> reader", but there is no specification saying that which Phill has
> pointed us to yet.
> I suggest that blindness or lack of visual acuity are not the only
> things requiring accessibility accommodation in an OS.  They *might* be
> the #1 priority for accessibility improvements to Lubuntu -- but without
> a clear specification (blueprint), we do not know this!
> Jonathan
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