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ENFSI FSAAWG

Definition

European Network of Forensic Science Institutes Forensic Speech and Audio Analysis Working Group; publishes EU-standard guidelines for audio forensics, speaker comparison, and acoustic analysis.

Related terms

BSA 2023
Bharatiya Sakshya Adhiniyam 2023: the Indian evidence statute that replaced the Indian Evidence Act 1872 on 1 July 2024; retains the section...
ENF (Electrical Network Frequency)
The instantaneous frequency of the mains electricity supply (nominally 50 or 60 Hz), which drifts continuously and uniquely with time and is...
Inverse-Square Law
The principle that acoustic intensity decreases in proportion to the square of the distance from a point source in free-field conditions; used...
Mach Cone
The conical shock wave produced by a supersonic projectile; its half-angle is determined by sin(alpha) = c/v where c is the speed...
Mach Number
The ratio of a projectile's speed to the ambient speed of sound; a Mach number greater than 1 indicates supersonic flight and...
Multipath
The phenomenon in which a sound from a single source reaches a microphone via multiple paths (direct plus multiple reflections), each arriving...
Muzzle Blast
A broadband impulsive pressure wave generated when high-pressure propellant gases exit the barrel behind the projectile. It radiates roughly omnidirectionally and is...
ShotSpotter
A commercial urban acoustic gunshot detection and localisation network that processes impulsive events from distributed microphone arrays to estimate shooter location and...
Spectrogram
A time-frequency plot in which the horizontal axis is time, the vertical axis is frequency, and colour or brightness encodes signal energy....
SWGDE
Scientific Working Group for Digital Evidence. A US multi-agency body that publishes consensus best-practice documents for digital forensic disciplines, including image authentication,...
TDOA (Time Difference of Arrival)
The difference in arrival time of a sound at two spatially separated receivers. Each measured TDOA constrains the sound source to lie...

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