Hi, I can't imagine dealing with such a dynamic and graphic thing with JAWS. I
think you need to get the spectragram data and process it yourself including
doing some interpretations such as where peaks are and maybe how wide they are.
Also, I think C/C++ would be the best language for this. What languages do you
know? Albert
---------- Original Message ----------
From: "Annabelle Susan Morison" <foristnights@xxxxxxxxxxx>
Subject: [ddots-l] What Programming Language Would I Use?
Date: Mon, 17 Jul 2017 05:46:58 -0700
To create a non-visually-oriented spectragram? I'm hopefully going to make
ADX Trax Pro accessible to screenreaders, and I'm not sure how to configure
JAWS to recognize the components of a spectragram. One of the guys at
Audionamix, Steve Oliver, told me that the spectragram in ADX Trax Pro
consists of many shapes. Here's what he says.
<blockquote type="cite" class="">
Regarding the spectrogram: The spectrogram is a visualization of the actual
audio being processed. It is like a graph, where frequency (in Hertz) is the
Y axis, and time is the X axis. Because the information is displayed
dynamically, based on the sounds within the file, there are no preset shapes
like the ones you described.
For example, imagine an audio file of you speaking the sentence "Hi, my name
is Annabelle" while a police siren goes by in the background. On the
spectrogram, your voice would appear as stacks of wavy lines (representing
the fundamental frequency of your voice and the corresponding harmonics
above it). Each word would have its own stack of wavy lines that would
change depending on the word and how you said it, and the unique
characteristics of your voice. Also there would be consonants sounds that
might look like patches of noise in the higher frequency range. The siren
would look like a long line slowly curving up and down from left to right.
If I said the words instead of you, these shapes would change because of the
qualities of my voice, and what speed I spoke at.
For these reasons there are almost infinite shapes that could be displayed
in the spectrogram. Do you have any ideas how that might work with a screen
reader? We'd certainly like to make it possible.
</blockquote>
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