College - Author 1
College of Engineering
Department - Author 1
Electrical Engineering Department
Degree Name - Author 1
BS in Electrical Engineering
Date
12-2023
Primary Advisor
Wayne Pilkington, College of Engineering, Electrical Engineering Department
Abstract/Summary
The device is a 4-band EQ with 3.5mm audio input and output jacks. The device has 4 adjustable EQ bands. Each of the 4 bands are adjustable via knob potentiometers, and are able to boost or cut their respective center frequencies of 150Hz, 400Hz, 2500Hz, and 10kHz from -15dB to +15dB. The device is battery powered off of 1 9V battery and is able to function for 10 hours before needing to replace the batteries. The device has a Total Harmonic Distortion of less than 1% and a Signal to Noise Ratio greater than 60dB. Overall, this device allows music lovers of all sorts to be able to adjust the audio characteristics of their audio to suit their preferences with ease and without sacrifice of sound quality.
URL: https://digitalcommons.calpoly.edu/eesp/651