Tril

It is based on Mr. ssamadhi97 of the Foobar2000 forums plugin named foo_dsp_delta that has noise sharpening. Some people were looking for such a plugin. It simply adds the derivative of the input to the output. I haven't seen his code but I think my plugin does the same thing.

50% on my plugin is the same as 100% on Mr. ssamadhi97 plugin.
100% on my plugin is the same as 200% on his plugin.

Here it is (Paste this into notepad and save as a *.da file) :

I used outL and outR many times to save declaring two temp variables.

Tiger M

Interesting, I'm a bit puzzled about the code:

macs dL, bL, -1, pL;
macsn outL, bL, -1, outL;

Why have you used such a code?

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Tril

Do you mean that I could have used
macsn dL, bL, 1, pL;
macs outL, bL, 1, outL;

I heard Russ talking about 1 not being exactly 1 (0.999..) and -1 being exactly -1.

I don't exactly remember when that applied. Since then, I got into the habit of using -1 instead of 1 in my code when possible. The code does the same thing and it's not really harder to understand.

EDIT :
I think the code I posted does not work exactly as it should. If I put the slider at zero, when bypassed and not bypassed it should sound the same. It may not be a good idea with the current code to use outL and outR many times or maybe the mistake is elsewere.

Chester01

it is giving me an "error: invalid plugin library" (I copy and pasted the latter code into the kx editor and saved it as a *.da... any ideas why it wont register?)

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Max M.

make sure that there's a new line after "end" in a saved file

Chester01

Good call; thanks max!

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COMP: Dual Intel PIII 733 Mhz; GeForce 4 Ti 4600; 1.128 Gb RAM; SB0350 (Audigy 2 ZS Platnium)
STEREO(I UPGRADED):Crown Audio K1 and K2 amplifiers (4000 watts at .1% THD ), JL 13w7 Subwoofer (6.5 CF) (2) 18" PR's, Klipsch SB-1's, some cement blocks for speaker stands...

Chester01

Tril; this plugin works perfectly from what I can see (hear). Thank you for your work on this. It is very much appreciated.

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COMP: Dual Intel PIII 733 Mhz; GeForce 4 Ti 4600; 1.128 Gb RAM; SB0350 (Audigy 2 ZS Platnium)
STEREO(I UPGRADED):Crown Audio K1 and K2 amplifiers (4000 watts at .1% THD ), JL 13w7 Subwoofer (6.5 CF) (2) 18" PR's, Klipsch SB-1's, some cement blocks for speaker stands...

iron2000

Thanks Tril, will be trying this out.

__________________

Tril

I'm glad I could help. What this plugin does is simple so it was not too hard to implement.

thomasabarnes

Man, what can I say? You programmers are awesome! This plugin works like DFX Audio Enhancement (for WMP, WinAMp, etc), and such applications. DFX, for example, cost $30.00. It has five different sliders for adjusting the percentage of fidelity, stereo ambience, 3D surround effect, dynamics and such, but it uses software processing which uses CPU power, and can sound artificial at times.

Fantastically, this plugin you wrote uses hardware for processing, sounds like pure sound audio enhanement , and it's free! So, it's more favorable, even though it doesnt have sliders to adjust the different audio enhancement areas as the commercial products. Yet, the audio enhanement acheived by this plugin you wrote is clear and definitely and improved sound!

Maybe you rewrote and edited the 2nd code above because the 0 % and bypass function does seem to have the same level no effect to me.

I think NappyLaddy may be pleased to see this.

Thanks for another nice additional plugin.

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TemporarySaint

Thanks very much for this plugin Tril. I was using a WinAmp noise sharpening plugin before this and in my opinion this sounds much better and its easier to use. Great Work!

Temp

Russ

Well its a tricky subject, and it is not just +1, it is basically all positive fractional numbers that you let Dane translate for you. So it depends somewhat on what the instruction is intended to do, and what other values are being used. Generally I try to avoid the issue by entering the values in hex myself (when it is a number that can be represented exactly) rather than letting Dane do the translation. Additionally, do not forget that with macints, the 'Y' parameter is an integer, so you can use +1/-1 (0x1/0xffffffff) as the 'Y' parameter with macints. Although you can reverse the roles of macs/macsn instrucutions (as you did above), I pretty much use macints instead of macs/macsn anytime 1 is involved (as the 'X' or 'Y' parameter).

i.e.
macints R, A, X, 0x1; R = A + X
macints R, A, X, 0xffffffff; R = A - X
macints R, A, 0x80000000, 0x1; R = A - 1
macints R, A, 0x80000000, 0xffffffff; R = A + 1

In any case, you should use whichever method you find easier to understand when looking over your own code, etc.

-Russ

BTW: I noticed a mistake in the first code you posted.
macsn outL, bL, -1, outL;
macsn outR, bR, -1, outL; <------- Should be outR

Tril

You are right. That's why it did not work correctly. I thought that the mistake was related to using outL and outR as temp variables but it was not. I'll use them. It will save two GPRs.

Russ, what you are saying is interesting. I always tought that the integer in macints could only be positive as that is what I saw in the examples of the guide.

I'll correct the first code I posted, delete the second code and modify the first one a little to use macints. It's not really necessary but I'll still do it.

Chester01

Thanks for standing by (updating and providing future support) your plugins Tril.

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COMP: Dual Intel PIII 733 Mhz; GeForce 4 Ti 4600; 1.128 Gb RAM; SB0350 (Audigy 2 ZS Platnium)
STEREO(I UPGRADED):Crown Audio K1 and K2 amplifiers (4000 watts at .1% THD ), JL 13w7 Subwoofer (6.5 CF) (2) 18" PR's, Klipsch SB-1's, some cement blocks for speaker stands...

Tril

If you look at the equations you see that what this plugin does is really simple. It substracts the last sample from the current sample and adds that to the current sample. It's impressive that such a basic operation can change the sound so much.

Max M.

yep, it's a plain high-shelving filter with boost (0...15dB) above Fs/8 (~6kHz)

ROBSCIX

This is cool, it's noticable. I can't test it right now loudly...See, this is the kind of that would just get lost in the threads after a while. I wish a person would host a site with all the submitted plugs listed..but anyway...thx tril.

Ananas

Thank you for the plugin, can someone compile it to 3538 series

As i get "wrong plugin library" error with 3538, i"ll be grateful if someone can fix this problem

Maddogg6

did you make sure you added an extra line after the 'end' in the KX editor?
It doesnt need compiling - as its 'dane' only code.

DDRRE

Hmmm...
First time I'm glad someone necroposted in a thread.
Nice plugin. I used to have 2 highshelves:
1) 6000Hz-24000Hz +12.0dB 0.7 Slope
2) 12500Hz-24000Hz +12.0dB 0.9 Slope

But this one is even better as a treble booster. But it doesn't only boost.. it makes MP3s sound like CD audio tracks. Some sort of a crystallizer.

silvertones

How do I get this?

Chester01

; New microcode
name "Noise Sharpening";
copyright "Copyright (c) 2004. by Tril";
created "05/11/2005";
engine "kX";
; comment "";
guid "b0639f05-8c92-4445-ac83-3795797bcef8";
; -- generated GUID

input inL, inR;
output outL, outR;
control Sharpen=0.5;
static pL, pR; previous Left, previousRight
static dL, dR; derivative Left, derivative Right
static bL, bR; buffer Left, buffer Right

; code
macs bL, inL, 0, 0; bL = inL
macs bR, inR, 0, 0; bR = inR
macints dL, bL, pL, 0xffffffff; dL = bL - pL
macints dR, bR, pR, 0xffffffff; dR = bR - pR
macs outL, 0, dL, Sharpen; outL = dL * Sharpen
macs outR, 0, dR, Sharpen; outR = dR * Sharpen
macints outL, 0, outL, 2; outL = outL * 2
macints outR, 0, outR, 2; outR = outR * 2
macints outL, bL, outL, 0x1; outL = bL + outL
macints outR, bR, outR, 0x1; outR = bR + outR
macs pL, bL, 0, 0; pL = bL
macs pR, bR, 0, 0; pR = bR
end

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COMP: Dual Intel PIII 733 Mhz; GeForce 4 Ti 4600; 1.128 Gb RAM; SB0350 (Audigy 2 ZS Platnium)
STEREO(I UPGRADED):Crown Audio K1 and K2 amplifiers (4000 watts at .1% THD ), JL 13w7 Subwoofer (6.5 CF) (2) 18" PR's, Klipsch SB-1's, some cement blocks for speaker stands...

silvertones

Thanks
In notepad I typed in kx on the next line after end to enable the plug to register