List of unexplained sounds - Wikipedia
The following is a list of unidentified, or formerly unidentified, sounds. All of the sound files in this article have been sped up by at least a factor of 16 to increase intelligibility by condensing them and raising the frequency from infrasound to a more audible and reproducible range.
Train noise - Wikipedia
Train noise is vehicle noise made by trains. Noises may be heard inside the train and outside. Subway systems, light rail transit and freight trains can send loud train noise into neighborhoods.
Unexplained sounds from the deep oceans: Bloop ... - Strange Sounds
2013年2月17日 · What created this strange sound in Earth’s Pacific Ocean? The video presents a visual representation (horizontal axis = time; deep pitch = vertical axis; brightness = loudness) of a loud and unusual sound, dubbed a Bloop, captured by deep sea microphones in 1997.
Spooky Science: Unexplained Sounds from the Deep
2012年10月25日 · With names like "The Bloop," "Train" and "Julia," the sounds have been captured by hydrophones, or underwater microphones, monitored by the National Oceanic and Atmospheric Administration...
Unidentified Strange Noises, Weird Train like Siren Sounds
Unidentified Strange Noises weird Train like Siren sounds May 2014 USN, consisting of Roaring Sounds Mystery Booms and now Strange Train like sounds.
What causes Camp Washington's strange train sounds? - WVXU
2023年5月30日 · Camp Washington's strange train sounds are well known. But what exactly are they? We're back in Camp Washington for WVXU's Round the Corner series, where we're …
What causes the odd ringing sound after a train goes by?
2022年3月11日 · It happens when the rail is being deformed by the approaching or leaving train and the vibrations that occur. It usually lasts longer on the end because of the Doppler effect. To some extent, the train moving along the rail is creating a wave similar to how a boat makes a wake in the water.
Weird Train Noises Near My Home In The Night : r/RBI - Reddit
2023年5月23日 · From about 1am to 3am, we randomly hear what sounds like a train horn sounding out in the air. The closest set of train tracks is about half a mile away, and the closest train station is just under a mile away, but this horn sounds crystal clear and all of us hear it.
What Causes that Rumble from a Subway Train? - Acentech
2016年10月5日 · If you have ever been in a building in a city with an underground subway like Boston or New York, you have probably heard a low-frequency rumble noise when a train passes by. What causes that and what can be done about it? There are two ways that a passing train can produce sound in a nearby building.
Freesound - strange train journey.WAV by inchadney
The inside microphones of an Olympus LS10 were recording these few minutes of a train journey in Germany. The outlet of the air-conditioning is the reason for some noise, but there is this strange rhythm one can hear....