Whistle (or scream) to control your computer!
Hello Readers!
It has been a long time since I wrote my last blog post. Well, I had
been busy with a lot of things - like college, harmonica playing,
meeting people, (and not to mention a whole host of fun, yet
unproductive things I had been doing). Oh, and I was also busy
reading, discussing and thinking over the last Harry Potter book by
J.K. Rowling. Harry Potter and the Deathly Hallows is stunningly
beautiful. I loved it. :)
Well, anyway ... I'm always in search for alternate ways to
communicate with computers, and ever since I built a sound sensor for
my Viper robot, I was thinking of ways to communicate with my
computers using sound as a medium. I figured out how to use
DirectSound to read the levels of my computer's available sound
capture devices thanks to a wonderful example by Jacob Klint over at
CodeProject. I've written code to count the number of times the sound
level of my microphone exceeds a certain threshold for controlling a
few things on my computer. Say, for example, if I whistle two times
(loudly), the software would check my email. If I whistle three times,
it would turn off my computer, and so on.
The drawback is that it won't be long before everyone in your house
will be irritated by your whistling! That's why I still prefer laser
gesture recognition for controlling things. :) However, if you're
interested in seeing the code, just let me know.
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