A standing wave? Our new music building will be designed so that parallel walls aren't quite parallel. I've tuned next to a glass wall that curved inward so that it was overhead. Very difficult - hard to hear beats, but if any unison is the slightest bit off it's like a loud guitar flange effect. -Zeno Wood -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20081114/9386f79e/attachment.html>
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