[Blindmath] GraphSonificationwas:Researhc Project-Correctiontoproject download page

Sina Bahram sbahram at nc.rr.com
Mon Aug 16 20:58:30 UTC 2010 

The semantic entropy which exists in the audio domain is significantly  less, with respect to resolution of the human ear, than that
which exists in the visual domain. The reason I use entropy, in the information theory sense of the word E.G. Shannon theory, is
because that's quantifiable.

Thus, if we accept the above to be true, there is more redundancy built into the visual domain to allow folks to still get the fact
that something is a rose, something is a door, something is a flower ... Even with less chromatic resolution than another observer.

In the audio domain, similar tricks can be used, but it all depends on how sounds are constructed so as to avoid destructive
interference, forward sounds drowning out lesser ones behind them, volume differentials affecting the user's perception, etc, etc.

Also, if you examine the  problem from a cognitive science and acoustic perception point of view, you realize that the brain
dedicates significant multiples more circuitry to vision than to hearing, even taking into account the repurposing that occurs in
certain tasks; for example, visualization of calculus lighting up the visual cortex even though the calculus is presented
auditoraly.

Sorry, I didn't have a lot of time to expand on some of the points I made here, but psychoacoustics research is quite fascinating,
and when you combine it with cognitive science and neurology, it's a heck of a lot of fun.

Take care,
Sina

-----Original Message-----
From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Debbie Willis
Sent: Monday, August 16, 2010 4:23 PM
To: Blind Math list for those interested in mathematics
Subject: Re: [Blindmath] GraphSonificationwas:Researhc Project-Correctiontoproject download page

Do you think hearing slightly different is somewhat similar to in the visual world to color deficiencies?

Debbie

-----Original Message-----
From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Matthew2010
Sent: Monday, August 16, 2010 3:38 PM
To: Blind Math list for those interested in mathematics
Subject: Re: [Blindmath] Graph Sonificationwas:Researhc Project-Correctiontoproject download page

Thank you for this information. This will be one of the major hurtles: 


Individual Differences in Auditory Display Comprehension Every person hears things slightly differently. How can we determine, in
advance, what these differences will make (if any) in the perception and comprehension of auditory graphs and sonification? What are
the characteristics of the listener that predict performance? 


Matthew 

From: Debbie Willis
Sent: Monday, August 16, 2010 12:22 PM
To: 'Blind Math list for those interested in mathematics' 
Subject: Re: [Blindmath] Graph Sonificationwas:Researhc Project-Correctionto project download page


Click on the following link for some good current research at Georgia Tech Sonification Lab, and a list of resources on the subject:
http://sonify.psych.gatech.edu/research/auditorygraphs/index.html

Debbie

-----Original Message-----
From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Sina Bahram
Sent: Monday, August 16, 2010 3:17 PM
To: 'Blind Math list for those interested in mathematics'
Subject: Re: [Blindmath] Graph Sonification was:Researhc Project-Correctionto project download page

Actually color sonification  hasn't disappeared at all, and is incorporated into various research projects.

Take care,
Sina

-----Original Message-----
From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Matthew2010
Sent: Monday, August 16, 2010 3:06 PM
To: Blind Math list for those interested in mathematics
Subject: Re: [Blindmath] Graph Sonification was: Researhc Project-Correctionto project download page

Cool, but most of this stuff goes by the wayside once the researcher gathers data, writes his research paper/dissertation, and moves
on. This similar sound thing was being presented as the greatest thing for the blind in relation to colors but eventually that
disappeared too as people lost interest. Thanks for the explanation. 

Matthew 

From: Paul Tinagbedia
Sent: Monday, August 16, 2010 11:59 AM
To: Blind Math list for those interested in mathematics
Subject: Re: [Blindmath] Graph Sonification was: Researhc Project-Correction to project download page


Thanks Deddi for that.

Actually, Sonification is the use of non-speech audio to convey information.

In the case of Graphs, researchers currently try to manipulate some parameters of sound like loudness, pitch, frequency, and tempo
with a bid to represent the differences between two or more data.

It is quite an evolving field that is witnessing lots of research at the moment.

Regards,
Paul
Debbie Willis wrote:
> Basically, it's auditory graphics.  Some researchers are using different pitches of tones, lengths of tones, mixtures of lengths
of tones such as two short tones followed by a long tone.  Some researchers are investigating the use of "music" to provide feedback
on a graph. Some researchers are using everyday sounds such as the sound of a door closing to indicate that you are at the far edge
of the screen.
>
> Debbie Willis
>
> -----Original Message-----
> From: blindmath-bounces at nfbnet.org 
> [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Matthew2010
> Sent: Monday, August 16, 2010 2:28 PM
> To: Blind Math list for those interested in mathematics
> Subject: Re: [Blindmath] Graph Sonification was: Researhc 
> Project-Correction to project download page
>
> WTH is sonification? 
>
> Matthew
>
> From: Roopakshi Pathania
> Sent: Monday, August 16, 2010 10:21 AM
> To: Blind Math list for those interested in mathematics
> Cc: Tony Stockman
> Subject: Re: [Blindmath] Graph Sonification was: Researhc Project 
> -Correction to project download page
>
>
>
> Hi all,
>
> Just to give you all some more information about this project:
> Around 3 months ago, I contacted Dr. Stockman, a professor at the Queen Mary University of London to develop an application for
the purpose of sonification of graphs that would have specific functionality that I and other blind users wanted. Dr Stockman, who
has done some research in Sonification agreed and assigned Paul, one of his student the project of developing such an application.
> In less than 3 months, Paul with my suggestions has come up with an application called Co-Graph that attempts to explore just the
beginning of the vast potential that lies within the field of sonification for data analysis for blind and visually impaired users.
> Here are some of the features of Co-Graph.
> 1. Creation of a graph from a text file which should meet the format specified.
> 2. Editing of graph data through the data table in the application. 
> 3. Sonification of the entire graph.
> 4. Sonification of points in the graph.
> 5. Speech production of different points in the graph.
> 6. Navigation from point to point via the use of the arrow keys.
>
> I would sincerely appreciate if you would help Paul and me by evaluating the application and sending your feedback.
> Feel free to ask Paul or me any questions that you may have.
>
> Thanks
> Roopakshi
>
> --- On Mon, 8/16/10, Paul Tinagbedia <ec09360 at dcs.qmul.ac.uk> wrote:
>
>   
>> From: Paul Tinagbedia <ec09360 at dcs.qmul.ac.uk>
>> Subject: [Blindmath] Researhc Project - Correction to project 
>> download page
>> To: blindmath at nfbnet.org
>> Date: Monday, August 16, 2010, 9:53 PM Hi All,
>>
>> The download page is:
>> http://docs.google.com/leaf?id=0ByI5O5BedYYUZDdmNjUzYjktNWIxNy00ODAxL
>> WI1YWQtYjJiODVhMmYzNjIw&hl=en&authkey=CI3J6K0B
>>
>> Please disregard the first link.
>>
>> Best regards,
>> Paul
>>
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>>     
>
>
>       
>
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