# Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage

> Research article (Philosophical Transactions of the Royal Society B Biological Sciences, 2021) · cited 30× · AI/ML

**Wikidata**: [openalex:W3212385841](https://www.wikidata.org/wiki/openalex:W3212385841)  
**Source**: https://4ort.xyz/entity/chimpanzee-vowel-like-sounds-and-voice-quality-suggest-formant-space-expansion-through-the-hominoid-lineage