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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. Project Objectives.

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Speech Recognition Calculator

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  1. Speech Recognition Calculator ECE 4884 - L02 - Group 8 Alfredo Herrera John Holmes Josh Liang Alex Kee

  2. Presentation Overview • Project Objectives • Project Approach • Design Overview • Market Analysis • Cost Analysis • Current Status

  3. 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.

  4. 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.

  5. Project Approach Arrows denote flow of data

  6. Design Overview

  7. Hardware Design: Flowchart

  8. Design Overview • Hardware: • HM2007 interfaced with Arduino • Read 8 bits • Software: C and Java • Arduino • Programmed with C • Java acts as GUI

  9. Design Overview

  10. Software Design: Code Flowchart

  11. Software Design: Processing Flow Serial.read() GUI Display Serial.clear() Serial.clear() Y Delimiter? Serial.read() N

  12. 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.

  13. Cost Analysis

  14. Cost Analysis

  15. Cost Analysis

  16. Cost Analysis

  17. Current Status: Objectives Met • Completely Hands Free • Cost is around $230 • Recognizes Numbers, Operators, and Words • Accuracy within 70% • Remote Connection Capability

  18. Current Status: Problems • Speaker Independence: • Accents • Tone • Accuracy: • Four • Six • Software: • Arithmetic Solution • Java to C Interfacing Solution

  19. Questions?

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