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How to get AUDIO forwarding to work... if it's possible? (lemmy.world)

submitted 3 days ago by cm0002@lemmy.world to c/linux@programming.dev

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Original question by @WereCat@lemmy.world

Hi, so I will try to hopefully explain as best as I can.

These are my devices:

Windows PC -> Cable Headphone1 output

Linux Laptop -> BT Headphone2 output

Android Phone -> Phone speaker output

What I want to achieve:

Have audio from all devices output from Headphone1 on my PC without having to use physical or software mixer.

What I managed to get working but sux due to audio stutter or delay:

Have audio from all devices output from Headphone2

How?

Phone paired via BT to Windows PC, using app on Windows PC called Bluetooth Audio Receiver gives me the ability to listen to my phone audio via Headphone1 (does not work for Laptop)

Linux Laptop paired to my Windows PC as an audio device allows me to set the Laptop as a output audio device for the PC so I can listen to PC and thus to the Phone via Headphone2

BUT, this causes phone audio to stutter via Headphone2 and audio from PC has at least 500ms delay.

Wish there was a way to forward audio from Linux Laptop to Windows PC the same way as from Android Phone to PC.

Any clues?

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[–] Sunsofold@lemmings.world 1 points 7 hours ago

Have you or the original poster seen Audio Share?

"Audio Share can share Windows/Linux computer's audio to Android phone over network, so your phone becomes the speaker of computer."

However, I don't think using BT and software could ever fix the latency issue. Each of those layers just adds delay. It might be necessary to use wires for most of it if latency is a priority.

[–] glitchy_nobody@leminal.space 5 points 3 days ago* (last edited 3 days ago)

Pretty sure JACK can host an audio server that other devices can output to. Can't say for sure how easy it is or how it works, but a quick search brought up NetJACK and it looks promising.

Edit: Just re-read and realized you were including a Windows PC and Android phone. There might be utilities to make these work with NetJACK but, I have no idea there.

[–] bleistift2@sopuli.xyz 2 points 3 days ago

Could you elaborate why you don’t want a software audio mixer? I mean, mixing is essentially what you’re trying to do.

Also: Is the bluetooth output from your laptop required? Would a wired connection be acceptable?

[–] otacon239@lemmy.world 2 points 3 days ago

I’m pretty sure snapcast can do this. I’ve never tried multiple servers to one client, only the other way around. I think the feature set allows for it though.

[–] ulterno@programming.dev 0 points 2 days ago

I just connect my laptop's headphone output to my PC's Line-In using an AUX male-male connector.