Yongqiang Bao1, *, Qi Shao1, Xuxu Zhang1, Jiahui Jiang1, Yue Xie1, Tingting Liu1, Weiye Xu2
CMC-Computers, Materials & Continua, Vol.65, No.3, pp. 2557-2570, 2020, DOI:10.32604/cmc.2020.011241
Abstract The field of digital audio forensics aims to detect threats and fraud in audio
signals. Contemporary audio forensic techniques use digital signal processing to detect
the authenticity of recorded speech, recognize speakers, and recognize recording devices.
User-generated audio recordings from mobile phones are very helpful in a number of
forensic applications. This article proposed a novel method for recognizing recording
devices based on recorded audio signals. First, a database of the features of various
recording devices was constructed using 32 recording devices (20 mobile phones of
different brands and 12 kinds of recording pens) in various environments. Second, the
audio… More >
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