Comparison between live voice and voice over internet protocol
Ying Zhang, Hong Mei Guo · Proceedings of the 2nd International Conference on Computer Science and Electronics Engineering (ICCSEE 2013) · 2013
With the development of internet, more and more criminals commit the crime via utilizing instant messaging services, which has aroused the forensic scientists' interests simultaneously.And voice chat generated by those instant messaging services is generally treated as VoIP.This paper analyzes the differences between live voice and voice over internet protocol through demonstrating the wide-band spectrogram and formants, thereby reveals the possible reasons which bring about those divergences.