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The left speaker on my ancient laptop is rattling and rather than dig into it to replace, I just want to turn it off or not use it. I have seen in other OS systems a way to send audio as mono output, but I don't think I see it here. I can turn the balance to 100% right side, but I fear that I may not be getting the full left audio also. Is there a way to set this so both channels output to the right speaker?
Last edited by dlrider (2025-08-25 02:54)
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Setting it to mono output just means youll get two speakers playing mono sound(mono sound gets replicated to both speakers also called dual mono). Setting the sound balance to 100% right side will still give you full audio, but just to one speaker, but be aware that you'll need to drop the volume to not damage the right speaker.
You didn't mention what OS version you're using which limits the specifics I can offer as an answer to the issue.
Last edited by crosscourt (2025-08-25 03:16)
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You could also pick up a set of USB speakers that are quite small and light for that laptop which will give you back your stereo sound.
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Setting it to mono output just means youll get two speakers playing mono sound(mono sound gets replicated to both speakers also called dual mono). Setting the sound balance to 100% right side will still give you full audio, but just to one speaker, but be aware that you'll need to drop the volume to not damage the right speaker.
You didn't mention what OS version you're using which limits the specifics I can offer as an answer to the issue.
Version 5.1.8-n1
I sent the balance to 100% right and ran a test, where each side would play separately. When left side was playing, no sound.
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So the left side speaker has issues but given you're rattling situation that's a good thing. Youre able to use the right side speaker by itself as you requested in your original post(wanting to get both channels on the right side speaker).
The other option I mentioned above, as you can get some mini USB speakers for the laptop and just avoid the speaker issue on the laptop entirely.
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Well no. When the audio is provided in stereo, I only hear the right channel, not the left. I want both left and right signal to the right speaker -- mono.
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The sound coming to your right speaker in stereo with the balance set to the right speaker only, includes both channels. It mixes part of the left side with the right side depending on how its set. In this case, going to all right side with left side minimized will give you all the same sound out of one speaker.
Mono sound there is no left and right channel as there is only one sound channel and that typically just gets split as it is to both speakers, in your case to one speaker. To actually have both sound channels available in stereo play thru the right side speaker, the balance has to be set to the right side speaker only.
Last edited by crosscourt (2025-08-28 02:35)
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I guess we'll disagree. Left is left and right is right. When I use any number of testers, there is a distinction between left and right source no matter if I turn the left off (0%). https://www.youtube.com/watch?v=YwNs1Z0qRY0
So left @ 0% and right @ 100% loses audio when the source is not mono and a distinct sound is supposed to be projected to the left. External speakers or earbuds/headphones are not an option (yet). I'll live with a rattling speaker until I find a suitable fix or replacement.
Last edited by dlrider (2025-08-29 17:30)
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this worked. Both channels to the right speaker, only.
pacmd load-module module-remap-sink sink_name=mono master=alsa_output.pci-0000_00_1b.0.analog-stereo channels=2 channel_map=mono,mono
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