Forensic Voice Recognition & Audio Enhancement
Forensic speech analysis covers a number of areas including identifying whether a recording has been tampered with, deciphering unclear speech, unravelling speech codes and designing voice line ups for the purposes of suspect elimination and speaker identification.
A common question in the analysis of evidential recordings is speaker identification. Samples of known and unknown speech are subjected to a fine-grained phonetic analysis designed to identify the speaker on verbal, rather than numerical scale of judgements. This is achieved via systematic comparison with a ‘known’ or ‘reference’ recording of a defendant to determine the probability of a speaker’s identity.
Forensic Speech Analysis and Enhancement Services
Audio authentication Investigating whether audio has been edited or tampered with using electronic and metadata analysis and establishing a chain of custody.
Speech decoding Deciphering unclear speech into intelligible transcripts. This includes decoding voice disguise, dialects, fast speech, speech affected by speaker fatigue, stress or intoxication.
Speech decrypting Unravelling speech codes.
Voice line-ups Akin to visual line-ups for the purposes of suspect elimination.
Speaker identification Utilisation of fine-grained phonetic analysis to determine probability of speaker’s identity.
Forensic Speech Analysis and Enhancement Expertise
Forensic Access boasts a world-class team of forensic scientists operating in state-of-the-art facilities. All forensic work is carried-out to the highest Quality Standards.
All defence work is handled by dedicated Casework Managers who provide end-to-end support and streamlining. Direct access to our team of voice recognition experts helps barristers and solicitors to prepare a more effective defence strategy, and all expert witness reports are thoroughly documented and peer reviewed.
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We offer free initial consultation with advice and support at all stages.