The Application of Authentication of Audio Recordings Technology in the Public Security System

Criminals are using big data technology to commit audio recording crimes. Thus, the authentication of audio recordings is proposed for public security. As the digital audio recording is characterized by convenient editing, hidden traces, and rapid technological change, it has become an urgent problem to solve for public security. In this study, the common speech processing methods are tested using document properties, auditory analysis, and sound spectrum analysis. The technology of the authentication of audio recordings provides a basis for investigating and solving cases and become another tool for public security organs to fight crime.