[Feature] Audio forensics is a growing field with increasingly sophisticated tools. Gunshot recordings can be analyzed acoustically to reconstruct information about the timing of events and the geometrical layout at the crime scene. Electric network frequency data, picked up on recordings made at crime scenes, can be used to uniquely identify the time at which events occurred. Furthermore, voices of speakers recorded at crime scenes can be automatically matched with specific exemplars or entire databases of records with an increasingly high chance of accurate identification. Such systems typically employ a number of metrics extracted from voice signals.
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