LEVA Forensic Audio Advanced
Forensic Audio Processing and Analysis

LEVA Forensic Audio Advanced
Forensic Audio Processing and Analysis

Course Title

LEVA Forensic Audio Advanced
Forensic Audio Processing and Analysis

Date

22 July – 26 July 2024

Venue

Registered attendees will be informed

Class Time

8.30am to 5.30pm

Instructors

Allen R Combs, Chief Forensic Analyst

Course Fee

SGD $5,100 before GST / per pax

Prerequisite

Must have successfully completed the LEVA Forensic Audio Fundamentals course within the previous two years. LEVA membership is NOT required.

Registration

 Submit LEVA Registration Form to Francis_Teo@pcs-security.com
Application is subject to acceptance by LEVA

Course Overview:

Device

This course builds on the concepts of the Forensic Audio Fundamentals course. Students will learn through lecture and hands-on exercises, how to work with audio hardware and software tools, to perform more complex audio editing, processing, and signal analysis. Multiple hands-on exercises will be included during each module.

Advanced Forensic Audio Processing and Analysis is designed as a follow up to the LEVA Forensic Audio Fundamentals course and builds on the concepts and skills learned, and covers more complex editing, processing, and analysis tasks that analysts are frequently faced with. This 5-day hands-on course will cover topics including recording audio from analogue sources utilizing hardware audio interfaces, capturing audio from proprietary players and websites, extracting and replacing audio streams from video, batch processing, multitrack editing techniques, cross channel adaptive filtering, and how to address sync issues with audio acquired from variable framerate video files. Students will learn and practice basic audio authentication techniques, and how to answer probative questions from audio including gunshot analysis.

Note:

Basic computer skills are required to complete this training. Students must provide own laptop with admin rights (to load demo software) and the following operating system: Mac: OS X 10.8.5 Mountain Lion–macOS 10.15 Catalina PC: Windows 7–Windows 10.

Learning Objectives

  • Multitrack mixing and editing techniques
  • Making audio timelines and combining audio from different sources
  • Importing audio with uncommon or unsupported codecs
  • Batch conversion and processing
  • Overview and use of software and hardware tools
  • Advanced enhancement techniques
  • Reference source separation – How to remove TV, radio, and other pre-recorded content from audio files
  • How to accurately capture audio from phones, apps, websites, and proprietary players using a hardware audio interface
  • Extracting and replacing audio streams in video containers
  • Sync and timing issues with variable frame rate video files
  • Basics of audio authentication including audio anomalies and file metadata analysis
  • Gunshot and other audio signal analysis - Answering questions about recorded events using just the audio signal
  • Review of best practices for advanced forensic audio analysis and processing

Essential Disclaimer

Course information provided is correct at time of print and may be subject to change.

For Enquiry

For enquiry or additional information regarding this course, please contact or e-mail:
Francis Teo
LEVA Course Facilitator

LEVA Courses 2024


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PCS Security Pte Ltd is the Sole Authorised LEVA Partner to facilitate LEVA training in Singapore.