Date:   6/21/2012 4:48:05 PM ( 12 y ago)
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URL:   https://www.curezone.org/forums/fm.asp?i=1954487

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not sure about that... i think the author just mentions A4-440hz as a comparison... really cool article by the way, but the chinese bells were based on a different scale/system entirely... the reference note given is:

"The results show (1) a norm tone of F4 ~ 345 Hz"
 

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