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EQUALIZER

Version:  Download

Description

The Sonoris Equalizer is a parametric equalizer in VST and SAWStudio format. The plugin is suitable for mastering and mixing and features 7 bands, including lowpass, highpass, peaking and shelving filters. The plugin has a large graphical display that shows exactly what you get. The Sonoris Equalizer has an automatic upsampling mode. In this mode, the Equalizer has an even more accurate response, especially at the higher frequencies.

Every band can be set up to process stereo, L , R or (M)id and (S)ide channels. Processing the mid or side information can be very useful in certain situations. In mastering for example, it allows you to enhance a centered vocal while leaving the other instruments untouched. Or to center a bass without losing the stereo imaging of the rest. Adjustment of is made easy because the SNEQ allows for monitoring the LR or MS channels.

The aim was to create a minimum phase equalizer with filters that match the response of their analog counterparts over the entire frequency range. Most digital eq's suffer from the so called pre-warping effect. This is an unwanted effect that occurs when translating an analog transfer function (the S-domain) mathematically to the digital domain (=z-domain).

This is mostly done by a process called bi-linear transformation and as a side-effect this process causes the gain to be zero dB at Nyquist ALLWAYS, independent of how you set the controls. This alone is not that bad, BUT the filters start behaving weird far below the Nyquist frequency and the result is a distorted frequency response. Below is a graph that shows the response of a peaking equalizer filter with and without the pre-warping effect:

The solid line is the wanted curve for a peaking filter, nice and symmetrical and if needed, non zero gain at Nyquist. The dotted line shows the pre-warping effect, notice the gain rising too early and fall to 0dB at Nyquist.

There are two ways to avoid this effect: mathematically, by adjusting the transfer to have a prescribed gain at Nyquist OR by using upsampling before the filter. In the SNEQ, the first technique is used in the default mode and the second in HQ mode.

Switching filters on and off is done with Soft Engage technology, that guarantee no pops and crackles. Soft Engage is a Sonoris proprietary technology.

Features

  • 7 filter bands
  • Lowpass and highpass filters up to 48 dB/octave
  • Peaking and shelving filters
  • Stereo, L, R or MS processing and monitoring
  • No pre-warping effects, that is, correct response up to Nyquist
  • HQ mode with upsampling for an even more accurate response
  • Soft Engage technology on all filters to prevent pops and crackles when switching
  • Mousewheel support
  • A/B comparison
  • Large graphical display with dragable handles for maximum control
  • Three zoom levels
  • High resolution level meter
  • Track following
  • Full automation possible
  • SSE and SSE2 optimizations
  • Settings can be saved
  • 64 bit integer math in audiochain, except for the filter code
  • TPDF dither is used to convert the 64 bit signal back to the host resolution

In the VST version the internal 64 bits signal is dithered to 32 bits. Some hosts, like Reaper and Cubase accept the newer VST 2.4 double floats standard and in those hosts the output is in 64 bits, undithered.

Reviews

"Mit den beiden Equalizern sind Sonoris äußerst leistungsfähige und transparent klingende Präzisionswerkzeuge gelungen."

Beat Magazine, GER, 05-2009
logo Beat

Testimonials

"...a very substantially improved algorithm making this to my ear simply the BEST SOUNDING DIGITAL EQ I HAVE HEARD. Period."

Steve Berson
Mastering Engineer,
Total Sonic Media

"A very musical EQ that suits all my needs for mastering. Many excellent features and the sound is great!"

Eliott James
Musician and composer,
Eliott James

Documentation

This product was added to our catalog on Tuesday 08 January, 2008.