# RIAA equalization

> Standard recording preemphasis and playback deemphasis for 33 and 45 rpm longplay vinyl records

**Wikidata**: [Q923115](https://www.wikidata.org/wiki/Q923115)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/RIAA_equalization)  
**Source**: https://4ort.xyz/entity/riaa-equalization


## References

1. Freebase Data Dumps. 2013
2. BabelNet