Weird Reverb Decaying Echo

[fleamour]

Under Cinnamon I get a decaying echo hi hat when playing sounds over line in monitor speakers. Present for most sounds but not over stereo out. Recently appeared, sadly still present with 18.3.

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CPU~Dual core Intel Core2 Duo E8400 (-MCP-) speed/max~2000/3000 MHz Kernel~4.4.0-98-generic x86_64 Up~15 days Mem~2713.4/7982.3MB HDD~764.2GB(55.1% used) Procs~232 Client~Shell inxi~2.2.35  

[catweazel]

In a terminal:

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sudo nano -w /etc/pulse/default.pa

Look for this line:

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load-module module-udev-detect

Add tsched=0 to the end of the line, like this:

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load-module module-udev-detect tsched=0

ctrl-o, enter to save, then ctrl-x to exit.

Reboot.

[fleamour]

Thank you for your response. I have;

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load-module module-udev-detect .else

Editing with your code produces no sound, editing without ".else" produces no sound, is there another option?

[catweazel]

It shouldn't look like that. It should look like this:

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### Automatically load driver modules depending on the hardware available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
### Use the static hardware detection module (for systems that lack udev support)
load-module module-detect
.endif

I included the lines around it for context.

[fleamour]

You are correct, however original edit proposed results in no sound.

[fleamour]

Latest Pulse Audio update results in no sound whatsoever?!?...

[fleamour]

Realtek ALC887 audio
GA-G41M-COMBO mainboard.

[fleamour]

Fresh install resurrected sound but clipping still present any volume, got a good three years outa Mint install since 17.3, pretty good run. All OS suffer decay/degradation it would seem...

[fleamour]

[quote="catweazel"]In a terminal:

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sudo nano -w /etc/pulse/default.pa

What is -w switch? Merely editing file under 18.3 results in no sound. Purging ALSA & PulseAudio & reinstalling has no effect.

W, --wordbounds
Detect word boundaries more accurately by treating punctuation characters as parts of words.

[fleamour]

-w switch kills sound when edit file wth Nano, at least with latest Pulse Audio update. So when 18.2 was upgraded, sound failed, or OTB with 18.3. Was this malicious? I don’t think so? Always Clonezilla peeps.

[fleamour]

Turned out to be faulty hardware. Routed line out through a Monoprice composite to VGA adaptor (PlayStation II.) Box had died therefore distortion from one monitor only.