Billy Overton
2012-9-19
Getting back to software
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RS-232
HTTP GET/POST
Infrared
Custom
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Pros
 Many devices have RS-232 control
 Extremely simple
 Has common libraries
 Usually well documented
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Cons
 Uncommon Hardware
 No common command set
http://files.support.epson.com/pdf/plhc87u/plhc87uug.pdf
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Pros
 Uses pre-existing controls systems
 Can be as simple as an iframe
 Customizable
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Cons
 Usually less documented
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Pros
 Almost everything has a remote
 Will cover all the functions a user wants
 Has premade tools: (Win)LIRC
▪ http://lirc.sourceforge.net/remotes/
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Cons
 Time consuming
 Hardware Dependent
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Pros
 You can do anything you want
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Cons
 More hardware
From voice to code
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Kinect for Windows
Microsoft Speech Platform
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Speech Recognition Engines
Grammars
Recognition Results
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There are two types
We’ll use SpeechRecognitionEngine();
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Define what we are looking for
Have three methods of creation
 GrammarBuilder class
 SrgsGrammar class
 Srgs XML file
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Allows you to add items such as strings and
Choices objects to build a grammar
Used to create a Grammar object
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recognitionEngine.LoadGrammar(g)
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Two Methods
 Synchronous
▪ recognitionEngine.Recognize()
▪ Returns RecognitionResult
 Asynchronous
▪ recognitionEngine.RecognizeAsync()
▪ recognitionEngine.RecognizeAsync(mode)
▪ Raises SpeechRecognized event
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Contains all data regarding one grammar
match.
Most notably contains:
 Result.Text
 Result.Confidence
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Name: Billy Overton
Email : overtonb@goldmail.etsu.edu
IRC: logos on irc.freenode.net
 Join us in the #etsuacm channel