1. THE BRAVE NEW WORLD OF
MUSICAL ANALYTICS
Jon McGahee, Fletcher Prouty, and Jimmie Sanders
2. The Agenda
• Initial Concepts and Planning
• The Setup
• Programming
• How It Works
• Measured Frequencies and Other Data
• Lessons Learned
• Q & A
3. Objectives
• Goals
• Measure Guitar String’s Frequency
• Accurately and Automatically Tune Guitar String
• Applications: Electric and Acoustic Guitars
• Concept Demonstration for Timpani, Violin, ect.
4. Equipment
• Laptop with LabVIEW installation
• National Instruments USB-6221 BNC Data Acquisition Hardware
• Stepper Motor
• High Quality (For Arduino) Microphone Sound Detection Sensor Module
• DC Power Source
• Sound Frequency Generator
• Professionally 3D Printed Tuning Peg Apparatus
• Ink Pen
• Thinking Caps
• Electric Guitar
• The TA’s
5. Procedure
• Create Necessary Coupling with 3-D Printer
• Test Motor
• Get microphone working with tone
generator
• Create necessary filtering
• Design VI
• Testing
6. User Interaction
• Select desired note
• Repeatedly strum guitar string
• Motor turns tuning pegs until in
tune*
