Opto-Electric Guitar Pickup Multidisciplinary Senior Design I RIT Spring/Fall 13323

Project Summary See Attachment #1 – Project Summary Replace traditional electromagnetic-based pick ups with photo-electronic one Create aftermarket photo-electronic pickup for acoustic guitar Objectives: – Detection of fundamental tones – Ability to switch between digital and analog processing paths – Maintain original structure and functionality of the guitar

Outline – System Design Review Team Members Project Plan Project Requirements & Goals Concept Generation & Selection System Flowchart Data Collection Risk Assessment

Team Members Rachel Arquette (Project Manager) (EE) Caroline Lichtenberger (Lead Engineer) (EE) Joe Mauger (EE) Christopher Perry (EE) Christopher Steele (ME) Paul Hoops (EE) Ye Kuang (EE)

Project Plan See Attachment #2 – Project Schedule Project Schedule

Project Requirements & Goals Project Requirement (Customer Needs) – See Attachment #3 Customer Needs

Project Requirements & Goals (2) Project Specifications – See Attachment #4 Specifications Part 1

Project Requirements & Goals (3) Project Specifications (Continued) Specifications Part 2

Concept Generation & Selection Functional Decomposition – See Attachment #5 High-Level Functional Decomposition

Concept Generation & Selection (2) Mount Devices Functional Decomposition Branch

Concept Generation & Selection (3) Isolate Sound Functional Decomposition Branch

Concept Generation & Selection (4) Power System and Output Processed Signal Functional Decomposition Branches

Concept Generation & Selection (5) Display Status Functional Decomposition Branch

Concept Generation & Selection (6) Brainstorming - See Attachment #6 Example:

Concept Generation & Selection (7) Morphological Chart – See Attachment #7 Morphological Chart Part 1

Concept Generation & Selection (8) Morphological Chart Part 2

Concept Generation & Selection (9) System-Level Pugh Evaluation – See Attachment #8 System-Level Pugh Evaluation

System Flowchart See Attachment #9 System Flowchart Part 1

System Flowchart (2) System Flowchart Part 2

Data Collection See Attachment #10 Measurements taken at sample rate of Hz Highest frequency note has spectral content as high as ~2000 Hz Targeting Nyquist rate of 4200 Hz Spectral Content of E5

Risk Assessment See Attachment #11 Risk Assessment Part 1

Risk Assessment (2) Risk Assessment Part 2

What’s Next? Detailed Design Work – Analog circuits for sensing unit – Analog circuits for analog path and post-amplifier – Digital signal processing path (hardware and software) – Processing unit box, sensing unit, and mounting mechanisms

Questions?