this post was submitted on 16 Oct 2023
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[–] [email protected] 64 points 1 year ago* (last edited 1 year ago) (3 children)

In case you're wondering, some broadcast equipment, such as the Axia Radius, uses Ethernet sockets for the connection of balanced and unbalanced audio.

This simplifies cabling, but you need adapters at the end of each cable to go back to RCA, TRS, XLR etc.

[–] [email protected] 9 points 1 year ago* (last edited 1 year ago)

Some networking equipment has serial ports (RS-232) that use RJ45 connectors. 3.5mm TRS connectors are also commonly used for serial ports.

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[–] bastian_5 49 points 1 year ago (2 children)

How else did you think they got the dialup noises to play?

[–] [email protected] 8 points 1 year ago* (last edited 1 year ago) (3 children)

Dialup didn't use ethernet.

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[–] [email protected] 7 points 1 year ago (1 children)

Thats wrong. This is how they got dial up to play

https://youtu.be/AgqEIp2YmtE

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[–] [email protected] 36 points 1 year ago (4 children)
[–] [email protected] 19 points 1 year ago

This could come in handy for my USB industrial smelting oven

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[–] [email protected] 35 points 1 year ago (2 children)

Finally! I can yell at the internet!

[–] Lucidlethargy 8 points 1 year ago

No you can't. That's stereo. You can only hear the internet yell at you.

You'd need three lines for an output.

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[–] [email protected] 33 points 1 year ago (4 children)

You could use it if you had another one with a female headphone jack. You could play your music to a speaker in another room if you have Ethernet in both rooms. Copper is copper.

[–] EatSleepBatheRepeat 18 points 1 year ago (1 children)

I've done this. I've made speaker wire to ethernet adaptors to connect speakers in a different room through the walls to an amp. Feels and probably is so wrong.

[–] [email protected] 8 points 1 year ago

It really depends how much power you put through the cable, ethernet is something like 0.2 mm2 per core. You'd definitely want to double up cores.

[–] [email protected] 12 points 1 year ago

While, as you said, both wires will conduct electricity just fine, they will have different AC impedance.

I would guess this wouldn't make much of a difference if you go Audio->Ethernet->Audio, since sound is at fairly low frequencies. But Ethernet->Audio->Ethernet might have problems with really high data rates, like GiB/s.

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[–] [email protected] 19 points 1 year ago (3 children)

Fun fact: usb uart to audio jack is actually a thing: https://ae01.alicdn.com/kf/HTB1G43QaOnrK1RjSsziq6xptpXaN/win8-10-android-mac-pl2303hxd-usb-uart-ttl-to-2-5mm-audio-jack-serial-adatper-cable.jpg

Some older android phones used the audio jack double duty as a serial debug console, the nexus 5 for example.

[–] [email protected] 6 points 1 year ago

did you know you can use markdown to embed that picture in your comment:

if you do:

omg fancy image thing


syntax of message above:

did you know you can use markdown to embed that picture in your comment:

if you do:

![omg fancy image thing](https://ae01.alicdn.com/kf/HTB1G43QaOnrK1RjSsziq6xptpXaN/win8-10-android-mac-pl2303hxd-usb-uart-ttl-to-2-5mm-audio-jack-serial-adatper-cable.jpg)

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[–] [email protected] 16 points 1 year ago (2 children)

I mean, the PinePhone has a switch to change the audio jack from audio into some kind of data transfer protocol. I guess someone could make it work.

[–] [email protected] 14 points 1 year ago (1 children)

Audio jacks have been muxed as debug serial for ages.

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[–] [email protected] 6 points 1 year ago

I think you would need another connection (ie. a 3rd stripe, TRRS vs TRS cable) for data transfer. Although digital audio is all data anyways I guess and now I don't even feel right but I've already typed it out.

[–] [email protected] 16 points 1 year ago

I totally used an adapter like that. It did have a raspberry pi in the middle, though.

[–] icerunner 15 points 1 year ago (1 children)

Finally, I can connect my Sinclair ZX Spectrum to Ethernet!

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[–] [email protected] 13 points 1 year ago (1 children)

Can I do dial-up over VoIP?

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[–] [email protected] 12 points 1 year ago (2 children)

i made a male version of this 4 times and then bought a ABC RJ45 switchbox for my work desk, so i could choose between computer audio and desk phone audio and cellphone audio through my work headphones.. lets you bump your own music in between calls without dealing with pause buttons etc.. worked great.

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[–] [email protected] 11 points 1 year ago

This is so you can record the dial-up sounds.

[–] [email protected] 11 points 1 year ago

ha! beat my Bluetooth network cable!

[–] [email protected] 10 points 1 year ago (1 children)

I mean, network cabling is the same unshielded twisted pair wiring we've used for analog telephone audio over the last 150 years.

[–] [email protected] 6 points 1 year ago (3 children)

Networking uses 4 wires in 2 pair for 10mbps and 100mbps. You need the full 8/4 for gigabit and above. Telephone uses 2/1.

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[–] [email protected] 10 points 1 year ago

It’s in this months Dongle Crate subscription shipment.

[–] [email protected] 8 points 1 year ago (1 children)

Btw, when do we get Micro Ethernet?

[–] [email protected] 8 points 1 year ago

Ugh, micro Ethernet is a garbage standard. I prefer Ethernet Type C.

[–] [email protected] 7 points 1 year ago* (last edited 1 year ago)

...for audio streams?

I mean, if the adaptor is active, this could actually work. I have a fucking USB-fed Router/Modem in a case this size.

[–] [email protected] 6 points 1 year ago

Ah, I see you've worked telemarketing too.

[–] [email protected] 5 points 1 year ago

HdbaseT audio only?

[–] [email protected] 5 points 1 year ago

What part of the Apple store can I find this in?

[–] [email protected] 5 points 1 year ago (1 children)

Is this a USB Ethernet adapter for one of those weird older devices that used 2.5mm for USB?

[–] kamenoko 6 points 1 year ago

This is likely an adapter for a switch or router to access it's debug console.

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