Questions tagged [audio]

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

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10
votes
1answer
122 views

Dissipating sonic booms

Alastair Reynolds is a contemporary sci-fi writer whose works often demonstrate a strong grip on science as it presently stands. Recently, I picked up his book On The Steel Breeze for a quick re-read ...
2
votes
1answer
102 views

How quiet can a static, non-propulsive pulsejet be?

The wizards of Magitechia have discovered that the deflagration or detonation of certain chemical compounds have beneficial supernatural effects, that are useful for powering magical apparatuses. ...
3
votes
1answer
91 views

What frequency range would be ideal for audible communication on a planet with a thick atmosphere? [closed]

If you lived on a planet with a very thick atmosphere, and you communicated verbally, what frequency range would be best? What would you eventually evolve to? Would their voices need to be high ...
5
votes
1answer
221 views

Can a sound of 125dbs from a watch be used to cause pain for self defense?

I was planning on creating a watch capable of producing around 125 dbs of sound for self defense: it would irritate/incapacitate an attacker and possibly give the victim an opportunity to leave the ...
14
votes
1answer
297 views

Planet-wide vocalizations: is there a natural limit preventing it?

Premise I recently recalled when the Chelyabinsk meteor crashed overhead in 2013. The pressure wave was immense. The infrasounds, as recorded by nuclear missile detectors, appeared to traverse the ...
9
votes
8answers
454 views

Pre-electrical fast long-distance communication using Acoustic Mirrors

It takes a lot of work, but it can be done. The Mongol Yam, a horse-based mail system, is probably the best example that has been done before. But after visiting the local science museum recently, I ...
15
votes
1answer
171 views

Music Dragonfly via Perforations in Wings

Info I'm designing a prehistoric-dragonfly that has little holes or perforations in its wings. When the wind flows through them, they make music (the viability of flying with these wings will be ...
4
votes
2answers
171 views

How would building an acoustic amplifier into a large scale rockface work?

I'd like for this to be how a small species communicates with a giant species. I was assuming a series of tunnels would carry the sound like a pipe organ.
4
votes
6answers
424 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 ...
1
vote
5answers
159 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 ...
11
votes
7answers
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 ...
3
votes
1answer
291 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 ...