Re: [orca-list] Proposed patch for progress beeps

[Joanmarie Diggs <jdiggs igalia com>]

Hey Nolan, all.

Could you please attach the patch to
https://bugzilla.gnome.org/show_bug.cgi?id=758328? Ditto for anyone else
interested in tweaking the progress bar beeps. If you all can reach
consensus, I'm happy to commit the agreed-upon experience.

Thanks!
--joanie

On 02/17/2016 01:20 PM, Nolan Darilek wrote:
> Hey,
>
> So I had some of the same issues with progress bar beeps that I did with
> NVDA. As an experiment, I whipped up this patch.
>
> Basically, according to my non-coffee-fueled back-of-napkin
> calculations, the current implementation starts progress bar beeps at a
> few hundred Hz and scales them up to something like 2100. I don't
> objectively know what 2.1 KHz sounds like, but I do have some objective
> notion of what an octave sounds like, and just as a sighted person
> doesn't have to think about how far along a progress bar is, I think we
> should have the same convenience.
>
> This patch starts progress bar beeps at middle C and ramps the
> progression up an octave linearly. I initially had a logarithmic
> implementation but found it more confusing than I thought. Perceptually
> the progress bar appeared to move quickly then slow down, which is
> consistent with the numbers. I haven't tested this out with faster
> progress bars yet so there may be some benefit to logarithmic, but one
> thing at a time.
>
> We may also be able to drop the volume-scaling code if we're not ramping
> the frequencies up above 1 KHz, but I haven't tested that yet.
>
> Thoughts?
>
>
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