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brightness + contrast

 
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Bob



Joined: 01 Dec 2003
Posts: 4
Location: Amsterdam

PostPosted: Wed Feb 25, 2004 2:55 pm    Post subject: brightness + contrast Reply with quote

Can anyone explain to me how the brightness and contrast controls precisely affect the spectrum-colors? Or could anyone tell me where in the code this is implemented so I can perhaps figure it out myself?

Many thanks!

Bob
Amsterdam
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kare



Joined: 16 Aug 2002
Posts: 371
Location: KTH, Centre for Speech Technology

PostPosted: Wed Feb 25, 2004 3:07 pm    Post subject: Reply with quote

Check out the Snack source code http://www.speech.kth.se/snack/

file generic/jkCanvSpeg.c

search for "contrast"

There's definitely room for improvement, I've even have some contributed code, only reason I didn't include it was that when trying it I had to adjust the settings for most of my files, currently I almost never do this. Haven't had time to look into this yet... more contributions welcome.

Kåre
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Bob



Joined: 01 Dec 2003
Posts: 4
Location: Amsterdam

PostPosted: Thu Feb 26, 2004 11:43 am    Post subject: Reply with quote

Thanks, Kare, I'll have a look at it. Seemed like a bit of a puzzle to understand it, but I like puzzles.

Greets from white Holland,

Bob
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