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Q&A

Posts tagged audio

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Q&A How could a ballistic mask provide full protection without compromising the wearer's singing voice?

So, I'm having trouble with one of my character designs. Guardian angels are former humans who died in such dumb ways that Heaven simply couldn't let them in, not before they proved they can preve...

1 answer  ·  posted 4y ago by Mephistopheles‭  ·  last activity 4y ago by Mephistopheles‭

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Rigorous Science How do I determine the physical size of a quartz crystal of a given shape and vibrational mode needed to approximate a specific resonant frequency?

So, one of my D&D characters has a cut/relief-carved quartz crystal amulet (medallion shaped) that's both an arcane focus (crystal) and a holy symbol (amulet), and I thought it would be a good ...

1 answer  ·  posted 4y ago by Shalvenay‭  ·  last activity 4y ago by Shalvenay‭

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Q&A How can our boss play his theme song in (almost) any environment?

So. our boss is kinda... nuts. His current pet project is to create a device that can play his theme song whenever his location is revealed to someone within a 50 meter radius. Naturally, he outsou...

3 answers  ·  posted 4y ago by Mephistopheles‭  ·  last activity 4y ago by Mephistopheles‭

Question audio
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Q&A 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. A...

1 answer  ·  posted 5y ago by Eth‭  ·  last activity 4y ago by Eth‭

Question audio engineering
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Q&A How close to the Sun would you have to be to hear it?

Taken from this fascinating answer: The Sun is immensely loud. The surface generates thousands to tens of thousands of watts of sound power for every square meter. That's something like 10x...

2 answers  ·  posted 4y ago by Jimmery‭  ·  last activity 4y ago by Jimmery‭

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Q&A 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-re...

1 answer  ·  posted 4y ago by BMF For Monica‭  ·  last activity 4y ago by BMF For Monica‭

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Q&A 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 us...

6 answers  ·  posted 6y ago by JanKanis‭  ·  last activity 5y ago by JanKanis‭

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Q&A 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...

1 answer  ·  posted 5y ago by Arash Howaida‭  ·  last activity 5y ago by Arash Howaida‭

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Q&A 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 su...

1 answer  ·  posted 8y ago by kylie.a‭  ·  last activity 5y ago by kylie.a‭

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Q&A 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 c...

2 answers  ·  posted 5y ago by FoxElemental‭  ·  last activity 5y ago by FoxElemental‭

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Q&A 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.

2 answers  ·  posted 6y ago by Nyboria‭  ·  last activity 6y ago by Nyboria‭

Question audio engineering
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Q&A 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...

5 answers  ·  posted 7y ago by C. S. Wright‭  ·  last activity 7y ago by C. S. Wright‭