https://www.proz.com/personal-glossaries/entry/27037093-a-weighted-rms-sound-pressure-level-%CE%B1-%CF%83%CF%84%CE%B1%CE%B8%CE%BC%CE%B9%CF%83%CE%BC%CE%AD%CE%BD%CE%B7-%CF%83%CF%84%CE%B1%CE%B8%CE%BC%CE%B9%CF%83%CE%BC%CE%AD%CE%BD%CE%B7-%CE%B1-%CE%BC%CE%AD%CF%83%CE%B7-%CF%84%CE%B5%CF%84%CF%81%CE%B1%CE%B3%CF%89%CE%BD%CE%B9%CE%BA%CE%AE-%CF%84%CE%B9%CE%BC%CE%AE-rms-%CF%84%CE%B7%CF%82-%CF%80%CE%AF%CE%B5%CF%83%CE%B7%CF%82-%CF%84%CE%BF%CF%85-%CE%AE%CF%87%CE%BF%CF%85