Premodifier: sound
Head noun: level

Same concepts
http://dbpedia.org/resource/Sound_level

Narrower concepts

labelprovenanceconfidence
noiseisap:3671379730.292863
soundisap:3735760190.180778
loudisap:862686350.118483
decibelisap:391231050.104526
speakerisap:340192140.063182