WaterWaiver

@WaterWaiver@aussie.zone

I once met a person that never drank water, only soft drinks. It’s not the unhealthiness of this that disturbed me, but the fact they did it without the requisite paperwork.

Unlike those disorganised people I have a formal waiver. I primarily drink steam and crushed glaciers.

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WaterWaiver,

The Timekeeper

WaterWaiver, (edited )

@PugJesus do you have the source for this image? I’d love to find out more.

This version has been noticeably digitally altered, someone has used a clone or heal tool in the corners:

https://aussie.zone/pictrs/image/93327081-b8f8-4081-ac3d-2bebeff6ba34.jpeg

I assume the original photo or film must have holes or marks on it, they would be interesting to see.

I also have an (unconfirmed) suspicion that this image may have been a black and white photo that has been digitally colourised. It can’t have been fully AI colourised as the flowers on the lady’s dress are too perfectly coloured (even where they are hidden in folds or shadow). Alas the chroma of the flowers is shaped in perfect circles of pink, even overlapping black areas of the dress (where it’s otherwise coloured slightly blue), making me suspect a round brush tool in an image editor:

https://aussie.zone/pictrs/image/a21a605e-832c-484c-9113-8a5ddd01473e.png

I can’t be 100% certain, there might be some other explanation for this chroma patterning. It’s not JPEG (that quantises in square blocks, not circles). Might be some weird optical effects or multiple layers of JPEG on top of each other causing gaussian filtering (if you apply box filters repetitively at different offsets then you eventually approximate a gaussian). Not to mention that the version I downloaded is a .webp (and I have no experience with that format), I suspect Lemmy might have converted it upon upload.

WaterWaiver, (edited )

Thankyou muchly :) Looking now. They have unaltered originals too!

There are 3 separate glass slides for the different colour channels. Ooh. (is it healthy to get excited about this?)

EDIT: This collage of the 3 coloured slides is itself an edited version, but it shows answers to my questions:

https://aussie.zone/pictrs/image/06016e55-ba98-4219-9740-9b581c059c9f.jpeg

They edited the left side with a clone tool to hide the fact some of the coloured slides/layers are a bit faded at the edges. This also explains why the left of the image is yellowish and the bottom reddish. Perhaps those slides were like that their entire life, uneven due to manufacture or developing issues?

Across the entire image are tiny coloured blips and scratches. Most of them were edited out.

The rounded shape of the chroma on the flowers isn’t as evident in this version, but it still looks blurry. It’s plausible that the super-round shape in OP’s version of the image is an artefact from multiple lossy image encodings POSSIBLY combined with the red channel (glass slide) having worse resolution than the other colours in these areas (?).

WaterWaiver,

Yeah not one mention of “I’ll never forget you Princess”

WaterWaiver, (edited )

Alternative:


<span style="color:#323232;">Ctrl-z  
</span><span style="color:#323232;">kill -9 %1   # Shell keeps track of job pids for you, job 1 is %1, job 2 is %2, etc
</span><span style="color:#323232;">fg  # Not technically necessary, but it's fun to see the corpse
</span>
WaterWaiver, (edited )

Can you describe the issue? I don’t use Discord (and I presume the problem might depend on what browser you use).

WaterWaiver, (edited )

I’ve been using PipeWire this year on my Void Linux laptop & desktop. It’s been mostly OK but has a few problems. For years I have been using plain ALSA (with no custom configuration) because pulseaudio causes me regular issues across multiple machines (mostly silently failing).

Pros:

  • I don’t have to use Chromium for my mic to work on online video conf (WTF Firefox)
  • “EasyEffects” lets me quickly fix crappy youtube audio (bad gain normalisation, way too much sibilance) with a minimum of effort.

Cons:

  • Sometimes breaks all audio until I manually restart it (hey, just like pulseaudio. This problem never happens when using ALSA straight)
  • First time setup is complicated, involving environment variables, dbus user session buses and multiple daemons (running just pipewire isn’t enough). Why can’t it handle this all itself? Surely it should notice if these things are missing and just fix it itself? Compare this to straight ALSA where you (1) do nothing and then (2) everything works (except Firefox mic support)
  • I can’t have multiple audio outputs all unmuted at the same time. Eg my headphone output and my rear speaker output. If I override this (using alsamixer) then it gets forgotten next boot anyway, it seems to be out of scope of PipeWire’s understanding.
WaterWaiver,

If you check SystemD, its a HUGE step up, which is why everyone is using it now

I think that’s a “winners write history” situation. There were other options at the time that might have been better choices. Everyone uses it now because of Redhat and Debian being upstream to most users, desktop and corporate. I was not surprised by Redhat adopting it (it’s their own product) but Debian was quite the shock.

Yes systemd is definitely a step up from traditional initscripts (oh god). In terms of simplicity, reliability and ease of configuration however it’s a step below other options (like runit). I don’t have distro management experience but, given the problems I’ve encountered with different init systems over the years, I suspect there would be less of a maintenance burden with the other options.

WaterWaiver, (edited )

The fact this issue is happening on both Pipewire and Pulseaudio also suggests it’s more likely a bug in the drivers… It might not be obvious on ALSA directly, but that doesn’t mean an issue doesn’t exist there…

I probably made the overlap unclear, sorry:

  • Pipewire issues: My 2023 desktop and 2016 laptop, very different hardware.
  • Pulseaudio issues: All of my pre-2023 desktops and several family laptops

I do a lot of middleware development and we’re regularly blamed by users for bugs/problems upstream too (which is why we’ve now added a huge amount of enduser diagnostics/metrics in our products which has made it more obvious the issues aren’t related to us).

Eep, that’s annoying. You also probably don’t have direct interaction with the users most of the time (they’re not your customer) which makes this worse, people in a vacuum follow each other’s stories.

In practice, very few people have issues with Pulseaudio (I haven’t seen issues since launch). Sometimes as well, keep in mind it can be the sound interface (especially if its USB)

There might be a bias here because these problems are not persistent, ie a reboot fixes them.

In regards to setup, most distributions will handle that anyway I’m guessing. So not sure why the configuration process should matter unless you’re in Arch or Slackware? As long as the distribution handles it, it shouldn’t matter. It’d really a non-issue honestly.

That’s potentially more things different distros can do differently and more issues your middleware will start getting blamed for.

Yes it’s not a problem for user-friendly distros, but why does the user friendliness problem exist anywhere anyway? It’s better to fix problems upstream, not downstream.

WaterWaiver,

That absolutely sucks :| Thankyou for the detail.

WaterWaiver,

github.com/maltejur/discord-screenaudio

A custom discord client that supports streaming with audio on Linux

Jaysus, I wish this were a world where stuff like that wasn’t necessary.

Uneducated question: what’s the benefit of a dedicated client over running it in a normal browser?

WaterWaiver,

I’m very curious about the downvotes to this one. May I ask people’s thoughts? Perhaps I’m too vague? I can put a bigger story about my experiences with various init systems in production & research if people are interested.

WaterWaiver,

You could probably increase the 82K and 10K resistors to be much bigger (by a factor of 10x or maybe even 100x). Lookup the input impedance for the ADC of your model of ATmega, as long as it’s >10x the size of your resistors then your circuit will probably be accurate enough.

A couple more things to keep in mind:

  • a fresh alkaline 9V battery is actually 9.6V or more, not 9V.
  • 9V battery voltages droop noticeably when under load because of their high internal resistance. Make sure to measure under the same conditions.
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