# Dear Czarcasm--I hear you like Grape Soda---

**URL:** <https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890>\
**Category:** The BBQ Pit\
**Created:** [July 21, 2003, 12:47pm UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890 "2003-07-21T12:47:11Z")\
**Posts on this page:** 10\
**Page:** 2

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**Author:** ![jjimm](https://avatars.discourse-cdn.com/v4/letter/j/ba8739/32.png) [@jjimm](https://boards.straightdope.com/u/jjimm)\
**Post date:** [July 22, 2003, 5:11pm UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/21 "2003-07-22T17:11:15Z")

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> [@](#):
>
> \*Originally posted by sailor \*  
> \*\*I can’t believe I have to explain JPG and MPG compression. Just do the test yourself. Take a purple background and draw some grey bars across. Now compress with JPG and see what happens. \*\*

I work with JPG compression all the time, and the purple doesn’t look like JPG artefact. Nor does the picture at [Ananova](http://www.ananova.com/news/story/sm_801020.html?menu=).

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**Author:** ![Blackeyes](https://avatars.discourse-cdn.com/v4/letter/b/f6c823/32.png) [@Blackeyes](https://boards.straightdope.com/u/Blackeyes)\
**Post date:** [July 22, 2003, 6:35pm UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/22 "2003-07-22T18:35:47Z")

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> [@](#):
>
> \*Originally posted by The Surb \*  
> \*\*Anyone seen The Grapist lately??? \*\*

The Grapist strikes again! 😃

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**Author:** ![World\_Eater](https://avatars.discourse-cdn.com/v4/letter/w/f04885/32.png) [@World\_Eater](https://boards.straightdope.com/u/World_Eater)\
**Post date:** [July 22, 2003, 7:30pm UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/23 "2003-07-22T19:30:52Z")

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Well that first photo still looks like a cheesy fark photoshop.

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**Author:** ![lieu](https://avatars.discourse-cdn.com/v4/letter/l/c2a13f/32.png) [@lieu](https://boards.straightdope.com/u/lieu)\
**Post date:** [July 22, 2003, 7:44pm UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/24 "2003-07-22T19:44:24Z")

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I’d never seen anybody titrate a bear before.

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**Author:** ![Dijon\_Warlock](https://avatars.discourse-cdn.com/v4/letter/d/a9a28c/32.png) [@Dijon\_Warlock](https://boards.straightdope.com/u/Dijon_Warlock)\
**Post date:** [July 22, 2003, 11:29pm UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/25 "2003-07-22T23:29:51Z")

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So what is the going titrate these days?

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**Author:** ![Q.E.D](https://avatars.discourse-cdn.com/v4/letter/q/51bf81/32.png) [@Q.E.D](https://boards.straightdope.com/u/Q.E.D)\
**Post date:** [July 22, 2003, 11:41pm UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/26 "2003-07-22T23:41:33Z")

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> [@](#):
>
> \*Originally posted by sailor \*  
> \*\*\>\> That’s got to be a photoshop
> 
> \>\> Agreed. I’m pretty new to photoshop, and even i could have done a better job than that.
> 
> It’s not. [Argentinian media carry different photos](http://www.cuyonoticias.com.ar/modules.php?name=News&file=article&sid=404). \*\*

> [@](#):
>
> _Originally posted by sailor \*  
> [B can’t believe I have to explain JPG and MPG compression. Just do the test yourself. Take a purple background and draw some grey bars across. Now compress with JPG and see what happens._\*

So which is it? Real or JPG artifact? You can’t have it both ways.

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**Author:** ![sailor](https://avatars.discourse-cdn.com/v4/letter/s/a587f6/32.png) [@sailor](https://boards.straightdope.com/u/sailor)\
**Post date:** [July 23, 2003, 12:18am UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/27 "2003-07-23T00:18:30Z")

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> [@](#):
>
> \*Originally posted by Q.E.D. \*  
> So which is it? Real or JPG artifact? You can’t have it both ways.

Huh? I think you are confused. can you explain the question?

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**Author:** ![Miller](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/miller/32/481_2.png) [@Miller](https://boards.straightdope.com/u/Miller)\
**Post date:** [July 23, 2003, 2:04am UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/28 "2003-07-23T02:04:54Z")

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**sailor** : In the first quote, you say the bear wasn’t photoshopped. In the second quote, it sounds like you’re arguing that the bear has been photoshopped because of the purple on the bars. I don’t know about **Q.E.D.** , but I know _I’m_ confused.

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**Author:** ![Larry\_Mudd](https://avatars.discourse-cdn.com/v4/letter/l/f14d63/32.png) [@Larry\_Mudd](https://boards.straightdope.com/u/Larry_Mudd)\
**Post date:** [July 23, 2003, 2:28am UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/29 "2003-07-23T02:28:20Z")

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> [@](#):
>
> I don’t know about Q.E.D., but I know I’m confused.

Yup. **sailor** was far from saying the purple on the bars indicated Photoshop. High JPEG compression can fudge details, and colour-bleeding is common. A shape that is coloured in sharp contrast to the background will often have a sort of irregular halo around it.

Personally, I don’t think that’s what’s happening, though.

(“I believe in purple bars.”) Rubbed off. Ya know.

**sailor** is suggesting that the bear is _actually_ purple, but that JPEG compression is responsible for the purple appearance of the bars. Which isn’t unreasonable.

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**Author:** ![Q.E.D](https://avatars.discourse-cdn.com/v4/letter/q/51bf81/32.png) [@Q.E.D](https://boards.straightdope.com/u/Q.E.D)\
**Post date:** [July 23, 2003, 2:32am UTC](https://boards.straightdope.com/t/dear-czarcasm-i-hear-you-like-grape-soda/189890/30 "2003-07-23T02:32:53Z")

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> [@](#):
>
> \*Originally posted by Larry Mudd \*  
> \*\ ***sailor** is suggesting that the bear is _actually_ purple, but that JPEG compression is responsible for the purple appearance of the bars. Which isn’t unreasonable. \*\*

That makes sense, then.

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