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Questions tagged [audio]

For questions asking about the creation of or propagation of sound. Questions about how creatures or beings vocalize should use the [vocalizations] tag. Questions about music should use the [music] tag.

4 votes
6 answers
547 views

How can an optical signal be converted into a mechanical/acoustic signal without using electricity?

There are several ways to directly convert acoustic/mechanic signals into optic signals (e.g. opening/closing a shutter, or the acousto-optic effect). Is there any way to do the reverse, without using ...
JanKanis's user avatar
  • 1,404
1 vote
5 answers
243 views

How Could an Alien or Superhero Increase and Decrease Their Hearing at Will?

Would it be possible for an extraterrestrial humanoid or superhero to increase and decrease their hearing at will, and if so, how? I'm thinking specifically of an alien who can somehow adjust their ...
C. S. Wright's user avatar
  • 1,599
11 votes
7 answers
3k views

Underwater acoustic muffling/dampening and sonar evasion. Is a stealth torpedo possible?

So I have various factions with submarines and surface ships battling it out for control over various underwater resources. One of the rarer and more lethal weapons is a "stealth torpedo". It ...
Nathanael Williams's user avatar
4 votes
1 answer
428 views

Sound From a Super Nova

Let's say there exists an alternate reality from ours that is identical in every aspect save for one. There exists a substance in space that allows for the transmission of sound. Let's call this ...
kylieCatt's user avatar
  • 574

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