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Classes in Forensic Audio  

   

CONFERENCE PROGRAM 

WEDNESDAY, JUNE 13

5:30 – 8:30 pm Pre-conference Workshop at the Nat’l Center for Media Forensics

-   “Validity and Reliability in Forensic Voice Comparison” G. Morrison

           

THURSDAY, JUNE 14

7:00 – 8:30 am Registration and Breakfast - the registration desk open all conference

8:30 – 8:50 am Welcome Address

-   J.M. Smith, Conference Chair 

8:50 – 9:50 am Keynote  

-   “CSI Watergate Expose” P. Mellinger

9:50 – 10:30 am Exhibition Open 

-   Break 

10:30 – 12:00 pm Workshop 1: Forensic Audio Enhancement

-   Presenters: E. Brixen, D. Begault, M. Huckvale, and C. Peltier (moderator) 

12:00 – 1:30 pm Lunch and Break

1:30 – 2:40 pm *Paper Session 1: Enhancement of Forensic Audio I

-   “Low Delay Error Concealment for Audio Signals” 

-   “Speech Enhancement Technique for Low SNR Recording”

-   “Music and noise fingerprinting and reference cancellation applied to forensic audio enhancement”

* All paper presentations are 20 minutes plus a 5-minute break 

2:40 – 3:25 pm Break and Poster Session 1 (in Exhibition): Miscellaneous Techniques

-   “The Effects of Audio Compression Algorithms on DC offset” 

-   “Tone Removal Using a Band Focus Speech Reconstruction Algorithm”

-   “The Gain Effect: How Does it Effect the DC”

-   “Designing an Automated Gunshot Detection and Image Response System”

3:25 – 4:30 pm Paper Session 2: Enhancement of Forensic Audio II 

-   “Enhancing Low SNR Speech Corrupted by Non-Stationary Tonal Noises”

-   “Effects of replay on the intelligibility of noisy speech.”

-   “Semi-automated technique for noisy Recording Enhancement using an independent reference recording”

5:30 – 7:00 pm Cocktail Reception at the Warwick Hotel


FRIDAY, JUNE 15

7:00 – 8:30 am Registration and Breakfast

8:30 – 10:05 am Paper Session 3: ENF Analysis I

-   “Phase and Amplitude Analysis of the ENF for Digital Audio Authentication”

-   “Effects of Oscillator Errors on Electric Network Frequency (ENF) Analysis”

-   “Quantifying the Effects of Lossy Digital Audio Compression Algorithms on Electronic Network Frequency Signals in Forensic Analysis”

-   “A Study of the Accuracy and Precision of Quadratic Frequency Interpolation for ENF Estimation”

10:05 – 10:30 am Break in Exhibition

10:30 – 12:00 pm Workshop 2: WinHex for Forensic Audio Analysis- Introduction, Application, and Scripting

-   Presenter: D. Lacey

12:00 – 1:30 pm Lunch and Break 

1:30 – 2:40 pm Paper Session 4: ENF Analysis II 

-   “Advances in Electronic Network Frequency Acquisition Systems and Stand Alone Probe Applications for the Authentication of Digital Media”

-   “Using Simple Monte Carlo Methods and a Grid Database to Determine the Operational Parameters for the ENF Matching Process”

-   “Advances in ENF Analysis for Digital Media Authentication”

2:40 – 3:25 pm Break and Poster Session 2 in Exhibition: ENF Analysis

-   “ENF Database Assessment”

-   “Tuning and Optimization of an Electric Network Frequency Extraction Algorithm”

-   “Uncertainty in the Measurement of the Electrical Network Frequency”

3:25 – 5:00 pm Paper Session 5: Audio Authentication

-   “Analytical Framework for Digital Audio Authentication”

-   “Microphone Identification using Higher-Order Statistics”

-   “Using Ripple Signals for the Authentication of Audio Material”

-   “Evaluation of the DC Offset Values for Nine Small Digital Audio Recorders” 

6:00 – 10:00 pm Optional Social Event - $55, space is limited

-   Banjo Billy’s historic tour of downtown Denver, drinks and snacks included

-   Banquet dinner at Katie Mullen’s Irish Restaurant and Pub on 16th Street Mall

 

SATURDAY, JUNE 16

7:00 – 8:30 am Registration and Breakfast  

8:30 – 10:05 am Paper Session 6: Miscellaneous Techniques

-   “Effectiveness of Electronic Voice Disguise Between Friends”

-   “GMM-Based Efficient Language Identification”

-   “Automatic Search and Classification of Sound Sources in Long-Term Surveillance Recordings”

-   “Carving and Reorganizing Fragmented MP3 Files Using Syntactic and Spectral Information” 

10:05 – 10:30 am Break in Exhibition

10:30 – 12:00 pm Workshop 3: Forensic Science and Expert Testimony: Insights and Strategies from the Advocate’s Perspective

-   Presenters: H.R. Reeve, P. Weinberg, J. Mathews, and J.M. Smith (moderator) 

12:00 – 1:30 pm Lunch and Break 

1:30 – 1:55 pm Paper Session 7: Laboratory Practices

-   “SWGDE Core Competencies for Forensic Audio” 

1:55 – 2:40 pm Paper Session 8: Speaker Recognition and Comparison I

-   “Comparing Automatic Forensic Voice Comparison Systems under Forensic Conditions”

-   “What Did Bain Really Say? A Preliminary Forensic Analysis of the Disputed Utterance Based on Data, Acoustic Analysis, Statistical Models, Calculation of Likelihood Ratios, and Testing of Validity”

2:40 – 3:25 pm Break and Poster Session 3 in Exhibition: Speaker Recognition and Comparison

-   “Development of System for Forensic Applications Using Spanish Words”

-   “Case Studies from MPRJ (District Attorney’s Office of Rio de Janeiro/Brazil): The Disguise and Automatic Speaker Recognition (ASR)”

-   “Influence of Recording Distance on Voice Quality for use in Speaker Recognition”

-   “Synthetic Voice Forgery and Voice Comparison" 

3:25 – 4:10 pm Paper Session 9: Speaker Recognition and Comparison II

-   “Speaker Identification Using Phonetic Segmentation and Normalized Relative Delays of Source Harmonics”

-   “Securing Speaker Verification System Against Replay Attack” 

 
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