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Professor Zhang helps police authenticate audio evidence enhance problematic recordings extract information from complex audio samples and provide an unbiased analysis of audio evidence Professor Zhang leads the field of forensic audio work in China today She and her team of forensic audio experts have helped the police crack numerous cases of phone hoaxes extortion kidnappings and more
Release date: 2012-01-01
Season number: 1
Episode number: 10
Runtime: 25 minutes