# A new variance-based approach for discriminative feature extraction in machine hearing classification using spectrogram features

> Research article (Digital Signal Processing, 2016) · cited 14× · AI/ML

**Wikidata**: [openalex:W2336441671](https://www.wikidata.org/wiki/openalex:W2336441671)  
**Source**: https://4ort.xyz/entity/a-new-variance-based-approach-for-discriminative-feature-extraction-in-machine-hearing-classification-using-spectrogram-