<http://webisa.webdatacommons.org/115358573>	<http://www.w3.org/ns/prov#value>	"Audio systems which employ a reference or timing signal track with variable delay line compensation for playback speed are shown for example in FIG. 9 of Coleman, Jr." .
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<http://webisa.webdatacommons.org/115358573>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/98455074>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/115358573> .