http://dbpedia.org/resource/Quindar_tones__Sound__1 an entity of type: Thing

rdf:langString The "intro tone", a 250-millisecond tone at 2,525 hertz, followed by a 250 ms 2,475 Hz "outro tone".
xsd:string Quindar_tones.ogg
rdf:langString Quindar tones

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