This book provides an expert introduction to audio forensics an essential specialty in modern
forensic science equipping readers with the fundamental background necessary to understand and
participate in this exciting and important field of study. Modern audio forensic analysis
combines skills in digital signal processing the physics of sound propagation acoustical
phonetics audio engineering and many other fields. Scientists and engineers who work in the
field of audio forensics are called upon to address issues of authenticity quality enhancement
and signal interpretation for audio evidence that is important to a criminal law enforcement
investigation an accident investigation board or an official civil inquiry.Expertise in audio
forensics has never been more important. In addition to routine recordings from emergency call
centers and police radio dispatchers inexpensive portable audio video recording systems are
now in widespread use. Forensic evidence from the scene of a civil or criminal incident
increasingly involves dashboard recorders in police cars vest-pocket personal recorders worn
by law enforcement officers smart phone recordings from bystanders and security surveillance
systems in public areas and businesses. Utilizing new research findings and both historical and
contemporary casework examples this book blends audio forensic theory and practice in an
informative and readable manner suitable for any scientifically-literate reader. Extensive
examples supplementary material and authoritative references are also included for those who
are interested in delving deeper into the field.
