[BlindMath] What does the largest one-day drop in market value sound like?

Fri Aug 3 01:54:17 UTC 2018

Sabra,
I have answered some of your questions below.

First, you asked about your interpretation of the chart. You are mostly 
right, but you missed the critical part right at the end. Notice how the 
notes climbed steadily higher after the middle point, then suddenly hit 
a single low note at the very end? This is because on July 26, Facebook 
stock plunged. It was, as they said, the largest drop in a single day of 
a company in history. It didn't bottom out (meaning it wasn't the lowest 
point on the chart), but it dropped noticeably from the prior days.

To answer your second group of questions, about technical ways and 
means, I'm not aware of any generic solutions for doing this sort of 
thing. Someone else on this list might be, though.

Finally, you asked why it is that tactile pictures or graphs make no 
sense to you, but audible ones do. That's a learning style thing. Visual 
learner versus auditory learner (or tactile versus auditory of course.) 
Its the same reason some people do better when they hear something read 
allowed than they do when they visually or tactilly read it. The way 
your brain best gathers information can even vary based on the kind of 
information. Some people do better with audio for general reading and 
Braille for math, as an example.

--
Joe

On 8/2/2018 20:52, Sabra Ewing via BlindMath wrote:
> Wow, that chart made a lot of sense to me and I normally can't read charts very well. What I got out of it was that at the beginning of the quarter, they were making a good amount of money. Near the middle of the quarter, the earnings went way down, and then they abruptly went up to around where they were at the beginning of the quarter. Then, they slowly went up and at the end of the quarter, the earnings were higher than they were at the beginning of the quarter. Am I right? I am looking to go into the field of data analysis. Do you know what would be the best way to access charts and that field? I need the charts to be like this the way that you make it. I do not need any of these tactile charts. It does not have to be a piano, but it needs to be the same where it can draw it in my mind. I want what you are saying where I can navigate the chart using the keyboard, I can listen to the chart, I can get the numbers from it, I can listen to certain portions of the chart, and I can maybe even connected with a spreadsheet. I would like to have things on a spreadsheet that I can turn into a chart that I can listen to and also show to people. I need to chart to go from left to right in the earphones the way that you have it, and I would even be interested in charts that use 3-D recording. Also, I would like a feature in Aira where an agent can send me a picture or a chart that I can listen to. I would also love to be able to switch between my computer and my phone when dealing with these charts, have it integrated with collaboration tools if I am working on a data set with the team, and so forth. Do you know what I could do to get into this field? I would also like to know why I can't read any tactile pictures, graphs, or maps even though I was born blind and had lots of training to try to teach me, but I can listen to complicated charts and pictures without training? I even listened to this one picture that was rotating. Also is it possible to sound code things the way that sighted people colorcode them? Like how they might put important points in a different color or put certain portions of the chart in a different color?Or if Aira cannot actually link up with a piece of software, it would be cool if the agents could receive training to be able to sing you a picture or a chart although that might be a bit harder if you have no way to make it go left to right.
>
> Sabra Ewing
>
>> On Aug 2, 2018, at 6:22 PM, Pranav Lal via BlindMath <blindmath at nfbnet.org> wrote:
>>
>> Hi Ed,
>>
>> Very cool. Do the beeps indicate the y axis? I am confused by the higher
>> pitch which seems to be indicating a lower value? That is, the higher the
>> pitch the lower the value or is it that the value kept climbing and then
>> just stopped?
>>
>> Pranav
>>
>>
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