About: http://webisa.webdatacommons.org/298389797

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Device according to claim 5 , characterized in that the control circuit is designed such that only a portion, in particular a lower portion, of a spectral region of the sound pressure is used for control. 9.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com