Analysis of the possibility of using non-calibrated noise measurement systems (smartphones) for machine diagnostics

Abstract

The article presents an analysis of the possibility of using a smartphone for sound recording and analysis in relation to reference measurements carried out with laboratory equipment. The scope of the possibility of using recordings by non-calibrated noise measurement (smartphones) was presented, along with limitations and additional requirements that must be met so that such a measurement could be used for further analysis.

Keywords

• smartphones
• vibrodiagnostics
• rail transport
• sound measurement and analysis
• train