# Speech transmission index

> measure of speech transmission quality

**Wikidata**: [Q455069](https://www.wikidata.org/wiki/Q455069)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Speech_transmission_index)  
**Source**: https://4ort.xyz/entity/speech-transmission-index


## References

1. Freebase Data Dumps. 2013