@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t8-17>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "8-17" ;
  skosxl:prefLabel "reverberation time"@en ;
  skosxl:altLabel "T"@en ;
  skos:definition "time duration (<<iso80000-3>>) required for the space-averaged sound energy density (<<t8-7>>) to decrease to stem:[10^(-6)] of its initial value (i.e. for its level to decrease by stem:[60 \" dB\"]) after the source emission has stopped"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-8> ;
  isq:hasUnit [
    skos:notation "s" ;
    skosxl:prefLabel "second"@en
  ] ;
  skos:note "The reverberation time can be evaluated based on a dynamic range smaller than stem:[60 \" dB\"] and extrapolated to a decay time of stem:[60 \" dB\"]. It is then labelled accordingly stem:[T_n], where stem:[n] is the dynamic range in stem:[\"dB\"]. See also <<iso3382-1>>."@en ;
  iso:urn <urn:iso:std:iso:80000:-8:ed-1:en:item:8-17> .