<http://webisa.webdatacommons.org/prov/507142838>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/424434589> .
<http://webisa.webdatacommons.org/424434589>	<http://www.w3.org/ns/prov#value>	"A communications device, such as a mobile telephone, is configured with an ambient noise compensation signal generator that is connected between a microphone and a mixer." .
<http://webisa.webdatacommons.org/424434589>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/424434589>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .