Enrollment Deadline: 15 June 2026

Participants will use their own software and methods to examine staged audio evidence and conduct an investigation to answer questions based on a scripted scenario. Examples of skills covered in this test include making a copy of original media to the hard drive of an analysis system, identifying types of interferences to intelligibility in the signal, and applying filters to increase intelligibility.

Sample Description: A digitally downloadable .zip file containing staged audio evidence.

Digital test materials are made available in September.

Additional Information: Digitally downloadable test materials, as well as response forms for all test formats, are only available on www.cts-portal.com. The information necessary to access the test materials will be provided via email to the primary contact on file on the day of the test release.

This test is included on CTS' Scope of Accreditation to ISO/IEC 17043.