How are voice calls across the world instant and how do they work? How can sound travel millions of times faster than the speed of sound?

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Thanks for the answers guys, but I still don’t really understand how sound can go at the speed of light, and IMO I think it took a lot longer than we think.

Don’t believe me? Imagine we have no advanced tech that we have today, and across world voice calls don’t exist. Imagine how fucking difficult it would be to make the sound of your voice go at light speed across Earth.

For example imagine you’re at a park with your friend and across world vc’s don’t exist. You’re speaking to each other through the pipe with the two cups at each end, and you want to invent a way to communicate across the world

The fact they did it is awesome. It sounds impossible. And at the time I have no doubt the majority of the world thought it was impossible. But we always think it’s impossible, until it’s invented.

OP below
I always thought that the sound travels at the speed of light but then it hit me that it’s not light, it’s sound, so I had to post this.
OP above

Edit: It’s technically still sound though right? Just converted into something else.
Just because it’s converted into a different form doesn’t mean it’s not sound. It’s just sound in a different form, or it wouldn’t be sound at the other end.

Who was the first person to convert sound to the speed of light?

Edit2: I still think there’s something you’re not telling me guys 🤔😂

Edit3: to the few haters who downvoted my reply to the comment when I said ‘no shit’ when someone compared this to paper travelling at the speed of light, get a brain. Sound doesn’t weigh anything.

Edit4: u/mitchrsmert fr? If sound has mass how can it travel at the speed of light?

In: 627

36 Answers

Anonymous 0 Comments

Is this a joke? If I throw a record does it travel the speed of sound, or just at my throwing speed? Just as a record is not sound, but a medium that contains the information necessary for a record player to recreate sounds, telephone signals are not sound, but electromagnetic signals that contain the information necessary for the receiving phone to recreate the sounds on the other end of the connection.

Anonymous 0 Comments

The second it’s converted it’s no longer sound. It’s light that gets reconverted into sound on the other end.

Anonymous 0 Comments

It’s not sound, it’s an image of the sound wave. Not a perfect analogy but think of it like you can take a photo of a tree and post it to someone much faster than you can send someone an actual tree.

Anonymous 0 Comments

>IMO I think it took a lot longer than we think.

What are you talking about? We know when the telephone was invented, so we know exactly how long it took, more or less.

>Don’t believe me? Imagine we have no advanced tech that we have today, and across world voice calls don’t exist. Imagine how f****** difficult it would be to make the sound of your voice go at light speed across Earth.

>For example imagine you’re at a park with your friend and across world vc’s don’t exist. You’re speaking to each other through the pipe with the two cups at each end, and you want to invent a way to communicate across the world

Yes, inventing telephony from scratch would be difficult. But how is that relevant to your original questions?

>to the few haters who downvoted my reply to the comment when I said ‘no s***’ when someone compared this to paper travelling at the speed of light, get a brain. Sound doesn’t weigh anything.

To not understand this sound transmission stuff is understandable. To tell people they’re idiots when you don’t understand the subject by your own admission is not.

It doesn’t matter *at all* that sound doesn’t weigh anything. Weight has nothing to do with it. The point is that paper mail and sound both have fairly low speed limits, which we completely avoid by *not sending the paper or sound*.

That’s what you’re having difficulty grasping. Voice chat, phone calls, etc. *are not transmitting sound*, so the speed of sound does not apply any more than the speed of paper mail applies to how quickly we can transmit a fax or email a scanned document.

Anonymous 0 Comments

It pains me to see so much information and good discussion being shared under such a troll OP.

Anonymous 0 Comments

Sound gets converted into energy. This energy is used to send signals, which are then interpreted by your phone. This sound isn’t being transferred by sound, but merely radio and electrical signals.