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Viper

Synth (Analogue / Subtractive) Plugin by Adam Szabo
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Viper
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Viper by Adam Szabo is a Virtual Instrument Audio Plugin for Windows. It functions as a VST Plugin and a VST 3 Plugin.
Product
Version
1.2.2
Instrument
Formats
Copy Protection
Serial Number
My KVR - Groups, Versions, & More
67 KVR members have added Viper to 17 My KVR groups 98 times.
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+17 in private groups

KVR Rank

Overall: 200   199

30-Day: 307; 7-Day: 294; Yesterday: 360

Viper aims to deliver the sound characteristics of legendary hardware synthesizers in a virtual format. We can call Viper a Virtual Performance synth, with a vast array of features like: multiple oscillator types with user waveforms, Sync, Frequency Modulation, Ring Modulation, unison up to 8 voices, filter saturation, filter routings, mod matrix, high quality effects, a powerful arpeggiator, and much more.

A lot of time and research has been invested to make the sound engine of Viper capable of delivering a wide array of sounds, everything from smooth, lush pads, huge basses, and powerful leads, typically associated with traditional analog synthesizers. This was achieved with careful coding, experimenting, analysing hardware synths, and using the ear to fine tune the controls. A constant randomization is also active in the synth to slightly alter its sound to mimic electronic components.

The engine is written in optimised code to use as little CPU consumption as possible, while maintaining a high quality sound engine, finding a good balance between the two. The synth automatically turns off any parts that are not used to further reduce CPU usage. Viper also has a smoothing algorithm for its controls to remove the 'steppyness' when it goes between values to give that extra polished sound.

Key features:

  • Classic Oscillators with user waveforms.
  • Multisaw (up to 9x Sawtooth waveform).
  • Wavetable Oscillators (Serum compatible).
  • Sub Oscillator.
  • Noise with coloring.
  • Punch.
  • Osc Sync, FM, RM.
  • Unison up to 8 voices.
  • 2 Zero Delay Feedback filters with Low Pass, High Pass, Band Pass, Band Reject (notch).
  • Filter Saturation curves.
  • 4 Filter routings: Serial 4, Serial 6, Parallel, Split.
  • 4 Envelopes: Filter Env, Amp Env, Mod 3 and Mod 4.
  • 3 LFOs with Oscillator shape morphing.
  • Mod Matrix.
  • FX:
    • Character (analog boost).
    • Distortion.
    • Filter effects: Ring Modulator, Frequency Shifter, Vowel Filter, Comb Filter.
    • Phaser.
    • Chorus.
    • Delay.
    • Reverb with Shimmer effect.
    • Equalizer.
  • Arpeggiator with user patterns and MIDI Out.
  • Built in Preset browser.
  • Section locking.
  • MIDI learn.
  • Resizable GUI.
Made with FlowStone

Latest User Reviews

Average user rating of 4.50 from 6 reviews
Viper

Reviewed By VELLTONE MUSIC [all]
October 14th, 2022
Version reviewed: 1 on Windows

If you intend to make modern music (and plan to release your music in any music chart) use this one - will spend you a lot of time, money and nerves compared to other synths.

Cheers to Adam for creating that workhorse :).

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Viper

Reviewed By trusampler [all]
October 13th, 2022
Version reviewed: v 1.1.0 on Windows

Owning a Virus TI2 and Viper, I can fully appreciate what Adam made here, and it just makes me smile, each time I play it. I know for a fact that this sounds like a Virus TI, ever since Adam added support for TI Bank import, it's been wonderful loading them up in Viper and being able to use the Virus sounds the way I always wanted to, without all the shortcomings the hardware offers.

I look forward with each release Adam brings out, as it keeps getting better and making the hardware irrelevant. Thanks Adam.

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Viper

Reviewed By eyezermusic [all]
August 4th, 2018
Version reviewed: 1.0.3 on Windows

Great synth. Viper clearly emulates hardware (the Virus TI and possibly Virus C) very well, way better than my expectations. I have a weakness for pads and supersaws. With Viper you can make really phat supersaws and pads, by far better than any other soft synth I've tried (and I've tried many...). You can make all kinds of sounds with Viper of course but the two mentioned sounds are in my opinion what makes Viper stand out.

However Viper only gets 4 stars out of 5 from me because there are a few things that are less good with Viper. It's a slower soft synth, particularly loading it up and browsing the presets (the rest functions well). Despite the measurements taken to optimize CPU and the fact that I have a pretty powerful PC, I still get CPU spikes after running a couple of Viper instances in a project. This can of course be bypassed through bouncing, which is what I recommend doing if you plan on using many instances. These mentioned things makes the workflow less comfortable though. Overall, I'd say sound wise it's 10/10. Performance wise 4/5. The GUI is very good and easy to understand because it's well organized. The only thing a little bit confusing with the GUI at times is at the filter section with the F, M and A buttons. The one you click on will get darker and the one not in use is lighter. I personally think it would have been less confusing if it was the opposite. But maybe it's just me :P.

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Viper

Reviewed By LL Cool Whip [all]
June 4th, 2018
Version reviewed: 1.02 on Windows

Been waiting for the 64 to hit. Snapped it up after confirming some functionality with Studio One 4. Works as expected.

This VST from Adam has a wide, and deep (gene) code pool.

I also think Viper can be used as an example of a very elegantly designed GUI. It's all there and flows very well.

Now I just need to find more time .

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Viper

Reviewed By moonchunk [all]
June 2nd, 2018
Version reviewed: 1.02 on Windows

Its June 2, 2018 and Viper was just released in 64-bit. For someone like me that has dozens of VST synths, I occasionally spend money on something that ends up being little more than a waste of time and added clutter on my machine.

THIS IS NOT THE CASE here.

This synth has unusual sonic characteristics and an unusual response to tweaking that makes this baby stand out as a great addition - even for those who own Spire. The approach is just different enough, and the arp in particular is amazing.

Plus, many of the sounds are really extraordinary and so easily tweaked to get them working in new directions.

You really couldn't ask for a more powerful argument that hardware synths had that special sauce in them - and that's what makes VIPER occupy a unique position - it emulates THAT.

So I was waiting to review VIPER because as a 32-bit plugin it was still common to overwhelm my CPU with it when using a lot of voices and so on.

The 64-bit version comes through - and noticeably overcomes that issue.

Also, this version has a whole new bank of presets.

Thank you ADAM.

One senses this has been a labour of love. Not unlike what the guys at U-he or Reveal Sound would do if they dug back in from scratch with what they'd learned as machines and their processors have become more capable.

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