HoRNet ThirtyOne v1.2.4 WiN MacOSX

Thirty one is a single package that includes a spectrum analyzer and a graphic equalizer, both has the standard 31 one third octave bands.

This pair of tools is very common in every rack of any live mixer as the final tool in the master bus, for this reason we decided to recreate the behaviour and specific time response of a very common Italian analog spectrum analyzer.

The equalizer is also inspired by analog units allowing ThirtyOne to recreate that master chain feeling that you are used to.

We put a great care in recreating the smooth lighting of LEDs driven by a smoothly increasing current flow, each column of twelve LEDs comes after a 20dB/octave filter (like the original hardware unit) and it’s response speed is selectable between 0.25, 1 or 4 seconds allowing you to see both fast peaks and average frequency level.

Each of the LED of the bar can have a value of 1, 2 or 3 dBs (like in the original hardware unit) and we also added 6dB/LED option, when changing the resolution the scale on the left of the LED display updates accordingly.

We also added a maximum peak hold LED for each frequency band that can be enabled or disabled that the original unit did not have.

Hovering the mouse on each of the analyzer band will let you know the band frequency and the maximum peak recorded for the specific band.

Right below the spectrum analyzer we have put the 31 sliders that will let you shape the output and fix any particular resonance. Each of the sliders drives a standard 1/3 octave second order filter and can be adjusted from -15 to +15 dB, you can also change the value for each band typing in the box below each slider.

The equalizer has a very special feature called the “Auto EQ”, when enabled (both in static and continuous mode) the output of the spectrum analyzer is used to tune the gain for each of the EQ band allowing the equalizer to automatic set itself so that the maximum harmonic balance is achieved, removing frequency masking and improving mix clarity.

Internally the “Auto EQ” algorithm compares the average peak level of the frequency bands with each of the bands and computes the necessary gain to apply to the EQ to bring the level of that specific band to match with the one of a carefully designed ideal response. This sounds complicated but it’s actually very effective in automatically balancing the frequency content of the mix.

You can choose between two different modes for the “Auto EQ”, the static and the continuous one.

The first takes in consideration only the maximum peak of each band so that you have an EQ curve valid from the beginning to the end of the mix, this mode is very useful in mastering a single track as it gives a “static” EQ correction curve.

The second algorithm is more complex and continuously look at the level of each frequency band and consequently updates the equalizer to reduce masking and keep the track balanced in ever single moment. If you use the plugin with this mode inside a broadcasting chain you can always guarantee a constant frequency optimized output even if the content of your audio changes a lot.

“Auto EQ” is linked to the frequency analyzer output so changing the analysis speed affects the algorithm, using the 0.25s changes the equalization very fast and allows you to track also the fast frequency spikes, while using the 4s setting works more on the average frequency content.

Features:

31, one third octave, spectrum analyzer bands.
Spectrum analyzer carefully crafted to give you the feeling of analog hardware units.
three different integration times for the analyzer.
four scale ranges for the analyzer.
peak hold display.
display both the L+R (mid) component or the L-R(side) component of the audio spectrum.
31, one third octave, equalizer.
each band gain adjustable from -15 to +15 dBs.
“Auto EQ” automatically balances frequency content.
Two different algorithms for AutoEQ
Each of the two modules can be disabled to save CPU.
AutoEQ amount knob to scale the effect impact
Custom compensation EQ profile for the AutoEQ algorithm
Bypass button for the eqalizer.
2x internal oversampling to allow analog sounding filters up to 20kHz.
Mac OS X (>=10.7) and Windows (Vista an later) support.
32 and 64-bit compatibility both on Mac and Windows.
Audio Units VST2.4, VST3 and AAX format.

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