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Curve Noise Study
Project Started: June 2001
Project Completed August 2001
Representing Noise on Elevated Rapid Transit Lines Noise is a
ubiquitous consequence of transit operations. Noise from trains
affects transit users, non-users, and adjacent neighbors. We know
that noise can be annoying in different ways and require different
solutions. Different people perceive noise differently and it
is difficult to describe.
The use of visualization in transportation is important because
it provides the public an opportunity to understand highly technical
engineering data about noise in transit systems in an easier to
understand format by allowing them to 'see' noise. Through visualization
we represent train noise amplitude signals quantitatively and
qualitatively using video, calibrated decibel levels, and accompanying
noise graphs.
This allows the public means to hear, see, and describe existing
noise levels at a variety of locations under different conditions.
Visual, audio, and graphical representation of noise allows the
public to engage in enhanced discussions of current situations
and be an integral part of better-informed and more acceptable
decisions made by all stakeholders. This project identified technical
issues related to the visualization of noise, and then described
an implementation for the CTA. The CTA used noise visualization
to instruct non-engineering personnel and to engage a wider audience
at public and neighborhood meetings.
For further information please contact Mike Shiffer at mshiffer@uic.edu
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