# Measuring the speech level and the student activity in lecture halls: Visual- vs blind-segmentation methods

> Research article (Applied Acoustics, 2020) · cited 26× · AI/ML

**Wikidata**: [openalex:W3036421490](https://www.wikidata.org/wiki/openalex:W3036421490)  
**Source**: https://4ort.xyz/entity/measuring-the-speech-level-and-the-student-activity-in-lecture-halls-visual-vs-blind-segmentation-methods