Questions tagged [sound-propagation]
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Need help finding a graduate level online course in sound propagation
I am currently based in Winnipeg, Manitoba (Canada) attending the University of Manitoba. Since my masters thesis is in the realm of marine mammal acoustics, I would like to take a course focused on ...
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If we turn on a TV, is the sound pressure level of the room increased definitely?
I am a computer engineer and I am not an expert in physics. I read about Sound Pressure Level from different references but I can't solve my problem. My question is: if we turn on the TV, is the sound ...
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Detecting and measuring particle motion and sound movement through water and sand
Does anyone know of good equipment to measure particle motion in the water, and transferred sound vibrations/pressure through sand underwater (from playbacks)? I have read that some people recommend ...
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What are linear decibels (dBL) and how do they compare to standard dB SPL?
I'm reading through an EIS that has a blast monitoring section where blasts are characterized by Peak Pressure Level (PPL) measured in linear decibels (dBL). I cannot find a good definition of this ...
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extent of sound transmission from air to water
How would one go about calculating the amount of sound transmitted from air to water?
From experience recording bats over water surfaces I suspect a lot of sound is reflected back up into the air. ...
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Why are high frequency sounds absorbed more than low frequency sound?
Atmospheric absorption seems to play a big role in bat echolocation as it apparently strongly limits perception range. I know absorption changes with frequency, but I don't understand why, and all the ...
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Simulating indoor/terrestrial sound propagation to test analysis workflows
I'm currently trying to analyse multi-channel audio recorded in a cave (reverberant conditions). I'd like to check how well my bat calls are being localized, and the extent to which reverberance ...
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Why does sound from ships propagate better in deep water than in shallow water?
I saw the following graph in a blog post about how shipping noise affects whales. Why does the sound seem to propagate better in deep water than in shallow water? Are there any known marine species ...
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