Introduction
Introduction
Initial Proposal
Project Description
Background Information
Psychoacoustic Model
Filter Banks
Project Research
Research Findings
List of MATLAB Code
Simulations
Further Work
Extensions to Research
Wavelets
References
About Us
Simulations
Psychoacoustic Model Simulations
Two sinusoids that do not mask each other
Two sinusoids that do mask each other
Test signal
Filter Bank Example
Sample test signal
Quantization Example
Sample test signal
Input, Output and Error Analysis for the Different Compression Schemes
Pure sinusoid
Two sinusoids that do mask each other
Chimes sound
Percussion sound
Cut from "Save Tonight" by Eagle Eye Cherry
.wav Files Generated by the Compression Scheme
Pure Sine Wave
Original Signal
8-bit Compression
16-bit Compression
Full Range Compression
Narrow Range Compression
Two Sine Waves Close Together
Original Signal
8-bit Compression
16-bit Compression
Full Range Compression
Narrow Range Compression
Two Sine Waves Far Apart
Original Signal
8-bit Compression
16-bit Compression
Full Range Compression
Narrow Range Compression
Chimes
Original Signal
8-bit Compression
Full Range Compression
Narrow Range Compression
Percussion
Original Signal
8-bit Compression
Full Range Compression
Narrow Range Compression
Cut of "Save Tonight"
Original Signal
8-bit Compression
Full Range Compression
Narrow Range Compression
[
Alex Chen
] [
Nader Shehad
] [
Aamir Virani
] [
Erik Welsh
]