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Old Posted Nov 18, 2009, 7:19 PM
seadragon seadragon is offline
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Join Date: Jun 2007
Posts: 60
The Sound of Taipei 101 from the Roof

Since Blair Kamin posted that article in the Chicago Tribune yesterday regarding the World's Tallest Building according to CTBU, here is the link:

http://featuresblogs.chicagotribune.com/theskyline/

I thought I’d post a link to a crude video that I took from the roof of Taipei 101.

This video was recorded on a rainy and windy day around the end of Nov in 2005. What is interesting about this video is the loud whistling sound that can be heard in the background. The sound comes from the tall metaphoric pagoda spire mounted on the roof of the building. Also noticeable is how the sound varies with wind speed.

It’s kind of neat in some ways for if the building operators were to place four strategically placed microphones on the spire along with a little signal processing software the spire itself could be turned into an accurate wind speed and direction measuring device.

A down side to the whistling is that a person can’t get away from it. Even when one stands in the corner section of the roof, because the spire is so large, the whistling sound produced on windy days is easily heard from all points on the roof. I did not have a wind speed measuring device with me, but from my experiences with having recorded winds speeds in the past as part of a daily routine, I would have guessed the winds to have been 10-20 mph.

The video file is 26 seconds long and 34 MB. Here is the link to the video:

http://bytepile.com/taipei101/

Last edited by seadragon; Nov 18, 2009 at 10:33 PM. Reason: updated URL - moved video file to a different server
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