# Frequency energy shift method for bearing fault prognosis using microphone sensor

> Research article (Mechanical Systems and Signal Processing, 2020) · cited 52× · AI/ML

**Wikidata**: [openalex:W3039759439](https://www.wikidata.org/wiki/openalex:W3039759439)  
**Source**: https://4ort.xyz/entity/frequency-energy-shift-method-for-bearing-fault-prognosis-using-microphone-sensor