About: http://webisa.webdatacommons.org/91818469

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	FIG. 1 is a timing chart illustrating an acoustic waveform, a target level, and a change in a gain of an amplifier;
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com