Schedule
Lessons⌗
Week 1⌗
Introduction to Forensic Audio
Tuesday (1/13)⌗
- Syllabus review
- Listening Example
Thursday (1/15)⌗
Homework
Find a news story from the past few years and discuss how it uses audio forensics. What forensic techniques were applied, and what challenges were faced? Be prepared to present your findings in class.
Week 2⌗
Acoustics and Signal Propagation
Tuesday (1/20)⌗
- Hear from a few of you about the news stories you found
- Historical case studies (Watergate, McKeever)
Thursday (1/22)⌗
- meet at East Hall 006 for Pinnacle Sound presentation
Week 3⌗
Tuesday (1/27)⌗
- Ethics and false convictions
- Audio Forensics in Investigative Journalism
Thursday (1/29)⌗
Week 4⌗
The Forensic Workbench
Tuesday (2/3)⌗
- Handling Forensic Audio Evidence
- Waveform and Spectral Analysis Techniques
- Critical Listening Skills
- Lab: Handling Forensic Audio Evidence
Thursday (2/5)⌗
- Lab: Praat Introduction
- Doing phonetics by computer
Week 5⌗
Authenticity I: Analog Methods
Tuesday (2/10)⌗
- Out of town
Thursday (2/12)⌗
Week 6⌗
Authenticity II: Digital Methods
Tuesday (2/17)⌗
Thursday (2/19)⌗
Week 7⌗
Midterm
Tuesday (2/24)⌗
Thursday (2/26)⌗
Week 8⌗
Audio Enhancement I
Tuesday (3/3)⌗
- Basic Audio enhancement
- Intelligibility vs. quality
- Equalization and dynamics
Thursday (3/5)⌗
Week 9⌗
Audio Enhancement II
Tuesday (3/10)⌗
- Other enhancement techniques
- Spectral subtraction, click removal, dereverberation, etc.
Thursday (3/12)⌗
Week 10⌗
- Spring break, no class
Week 11⌗
Tuesday (3/24)⌗
- Acoustic Event Analysis
- TDOA (Time Difference of Arrival)
- Doppler effect
- Distance estimation
- Likelihood ratios
Thursday (3/26)⌗
- Research Week Symposium, no class
Week 12⌗
Gunshot Acoustics I
Tuesday (3/31)⌗
- Physics of firearm sound signatures - Sections 1 - III