East Bonita Avenue cuts between Frank and Oldenborg. This balloon pop was recorded on the Oldenborg side of the street underneath a lamppost. So, in front of the mic was a big building, and the other side did not have any restricting objects. In the recording, a little bit of wind is audible.
The audio starts with a background sound intensity of around 35-40 decibels. After the pop, the recording reaches 90.07 dB, which decays to 60 dB at around 0.3 seconds. The 50 dB decay happens at 0.6 seconds. The full recording and spectrograph show a return to the original background level after 1.5 seconds.
This sonic moment of the balloon pop sounds sharp, but the reverb seems to last some time. The echo can be heard once or twice after the initial pop. Comparing this recording to some indoor and outdoor recordings, it seems to have characteristics like the sharp pop that happens outdoors and the relatively long reverb time which happens indoors. The acoustics and reverb of this location make sense since half of the surrounding environment of the mic was a wall, and the other half was outdoors.
We used a Fifine microphone provided by the music library of Pomona College in Thatcher Hall. This was set up connected to a laptop with QuickTime Player.
