this post was submitted on 03 Apr 2025
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Science Memes

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shrimp colour drama (mander.xyz)
submitted 3 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[–] captain_aggravated@sh.itjust.works 0 points 3 months ago (3 children)

Reminds me a little of CD digital audio. The original Red Book audio standard hasn't really been improved upon because it's uncompressed audio which covers basically all of the range of human hearing within the capabilities of any speaker we could build. It's uncompressed because in the early 80's when the tech hit the market, it was completely unfeasible to include the CPU and RAM needed to decompress audio in real time.

Shrimp has more color receptors because he doesn't have enough neurons to run trichromacy, so he sees in EGA.

[–] humanspiral@lemmy.ca 0 points 3 months ago

Is moral of your story that adults having frequency detection limited to 16khz, with older adults lower, might still be able to detect music well enough?

[–] null_dot@lemmy.dbzer0.com 0 points 3 months ago (1 children)

Oh man.

12 year old me waiting for hours to rip mp3s from cds always wondered about this.

Like why isn't it already compressed?

The answer is that storage was available but processing wasn't. Amaze.

[–] T156@lemmy.world 0 points 3 months ago (1 children)

Mp3 is already compressed, as is the MP2 CDs use.

If it wasn't conpressed, you'd be looking at CDs per track, instead of tracks per CD.

[–] deltapi@lemmy.world 0 points 3 months ago* (last edited 3 months ago) (1 children)

What are you on about? CD-DA, aka audio CD, aka red book audio, is uncompressed 16-bit PCM sampled at 44100Hz. It is lossless.

MP3 (MPEG-1/2 Audio Layer III) is a lossy encoding standard commonly used for online audio distribution and steaming. MP2 usually refers to MPEG-1 Audio Layer 2, which was most commonly used in Digital Audio Broadcast.

Neither are used in 'regular' CD audio.

[–] SaharaMaleikuhm@feddit.org 0 points 3 months ago

I'd like to subscribe to the format facts newsletter. Can you do VHS next?

[–] gabereal@sopuli.xyz 0 points 3 months ago (1 children)

Shrimp has more color receptors because he doesn’t have enough neurons to run trichromacy, so he sees in EGA.

love this. nice job :)

collapsed inline mediaVGA vs EGA, from the game 'Police Quest 3'

[–] jballs@sh.itjust.works 0 points 3 months ago (1 children)

I remember experiencing the EGA to VGA graphics evolution when I was growing up. I remember thinking the VGA almost seemed too real.

In my mind, this was a game that felt like it was pretend:

collapsed inline media

But this felt entirely too real:

collapsed inline media

[–] WhiskyTangoFoxtrot@lemmy.world 0 points 3 months ago (1 children)

Have you played The Crimson Diamond? EGA is back, baby!

[–] jballs@sh.itjust.works 0 points 3 months ago

If you love the old murder mystery games like the Laura Bow Mystery Series, you will enjoy this game

Oh man, I had completely forgotten about the old Laura Bow games! Might have to check this out!