speech recognition
Post on 23-Jun-2015
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Speech recognitionBy: Rachel Fernandes and Kaitlyn Bryson
What is speech recognition?
Speech Recognition (SR) is the ability to translate a dictation or spoken word to text.
Also known as “automatic speech recognition” (ASR), “computer speech recognition”, or “speech to text” (STT)
How it works...
Spoken communication is delivered via a microphone
Sound waves are converted into digital format
Software analyzes input and breaks down message
Software gives an output based on what it perceives and it will be displayed on a computer screen or phone screen
Process
Here’s another look at how SRS works...
The many uses of SRS
Pros of speech recognition
Faster than “hand-writing”
Allows for better spelling, whether it be in text or documents
Helpful for people with a mental or physical disability
Hands-free capability
Cons of speech recognition
No program is 100% perfect
Factors that affect the accuracy of speech recognition are: slang, homonyms, signal-to-noise ratio, and overlapping speech
Can be expensive depending on the program
For example, MacSpeech Dictate had the lack of a transcription feature for recorded voice dictation
programs
Now let’s take a look at a some of the many SRS programs...
Dragon
Speech Recognition for the PC
Designed to turn your talk into text faster
More accurate than ever before
Ability to capture ideas, go through email, search the web & control your PC
Siri
Ability to dictate texts or emails
Interact with maps and calendar
Ability to ask a question and have Siri google the answer
Can understand a variety of languages
Microsoft SYNC
Featured in all the newest Ford vehicles
Powered by Microsoft
Can tell program to:
Search through contacts and make phone calls or texts
Get directions
Search through music library
MAC SPEECH Dictate
• Developed for Mac OS X
• Used the Dragon speech recognition engine
• Best known for its speed and accuracy
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