# cardinal vowel

> standardised set of speech sounds

**Wikidata**: [Q893304](https://www.wikidata.org/wiki/Q893304)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cardinal_vowels)  
**Source**: https://4ort.xyz/entity/cardinal-vowel


## References

1. The Cambridge Encyclopedia of Language
2. Freebase Data Dumps. 2013