Speech Recognition Calculator
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Transcript Speech Recognition Calculator
Speech Recognition
Calculator
ECE 4884 - L02 - Group 8
Alfredo Herrera
John Holmes
Josh Liang
Alex Kee
Presentation Overview
Project Objectives
Project Approach
Design Overview
Market Analysis
Cost Analysis
Current Status
2
Project Objectives
Currently a Speech Recognition Calculator
with the following features does not exist:
Hands-free user interaction.
Ability to perform simple arithmetic.
Reasonable accuracy.
Inexpensive cost.
Our group seeks to create such a Speech
Recognition Calculator.
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Project Objectives
For Who?
Population with disabilities (limited hearing, vision,
and movement).
Why create this Product?
Existing products fail to adequately fulfill the needs of
the population with disabilities, hands-free operation.
What is the Cost?
~$200 final sale price.
~$100 to manufacture.
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Project Approach
Hardware
Arduino
Software
User
Arrows denote flow of data
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Design Overview
6
Hardware Design: Flowchart
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Design Overview
Hardware:
HM2007 interfaced with Arduino
Read 8 bits
Software: C and Java
Arduino
Programmed with C
Java acts as GUI
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Design Overview
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Software Design: Code Flowchart
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Software Design: Processing Flow
Serial.read()
GUI Display
Serial.clear()
Serial.clear()
Y
Delimiter?
Serial.read()
N
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Market Analysis
Designed for the disabled.
Existing voice recognition calculators on the
market fail to combine the following
features:
Hands-free user interaction.
Ability to perform simple arithmetic.
Reasonable accuracy.
Inexpensive cost.
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Cost Analysis
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Cost Analysis
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Cost Analysis
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Cost Analysis
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Current Status: Objectives Met
Completely Hands Free
Cost is around $230
Recognizes Numbers, Operators, and Words
Accuracy within 70%
Remote Connection Capability
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Current Status: Problems
Speaker Independence:
Accents
Tone
Accuracy:
Four
Six
Software:
Arithmetic Solution
Java to C Interfacing Solution
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Questions?
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