About: http://webisa.webdatacommons.org/132542627

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	The audio input stage is connected to some type of audio source and the audio output stage is connected to the audio device such as a speaker.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com