22 January 2010 - 03:16h - The pedestrian crossings in Dublin have a distinctive beep sound which is designed to assist people with hearing difficulties. A sensor detects the amount of ambient noise and raises and lowers the volume of the beep automatically. So even though the level changes in this recording sound like changes in microphone proximity, the microphones remained in the same place the whole time. Those level changes just reflect the varying amount of ambient noise. The rapidly repeating beeps indicate the green light for pedestrians to cross the road.
This is take 7 of 8 (my personal favourite) of a recording made at the busy King Street junction, which as you can hear is still busy at stupid o'clock even on a weekday. The road is a bit wet from some light rain. This take features some nice car tyre splashes through shallow puddles, and a really good police car siren which stopped in good time to keep the recording levels at optimum. The police car can be heard passing after the siren stops.
Recorded with a Zoom H4n and built-in microphones, with included foam windscreen and homemade purple fluffball windscreen, mounted on the boom arm of a microphone stand with poly-rubber foam insulating it from handling noise.
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