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LENS – A New Compressor From Auburn Sounds Including A FREE Edition

Auburn Spinds hav LENS, a spectral dynamics processing plugin par excellence. It’s available at the intro price of $49.35, increasing to $105.00 after the promotion. The offer ends September 20th. The FREE version lacks the Expander section.

LENS provides multi-band compression (without crossover phase shifts); constant phase EQ (without ringing); up to 64 crystalclear companders (compressing source signals to reduce the dynamic range, and independently expanding them to save headroom and remove noise), all working together on a stereo signal; simultaneous control of sidechain and output EQ; nearby component masked information removal; and clean ‘over-the-top’ upwards multi-band compression — to provide profound punch and clarity since it achieves so much in constant phase.

Auburn Sounds set out originally to design a mastering compressor as its latest plug-in prior to the prototype revealing itself as an adept tracking compressor, auto-EQ, noise-remover, upwards compressor, and multi-band expander/gate, providing profound punch and clarity as a spectral dynamics processing plug-in par excellence. Indeed, the ‘spherical’ nature of its sound steered the plug-in’s creator, CEO Guillaume Piolat, towards an appropriate name — namely, LENS.


LENS itself is designed around being spectral — hence the company concerned calling it a spectral dynamic processing plug-in. Put it this way: once a signal is in the spectral domain, compression, expansion, and EQ are all applied by LENS simultaneously with linear phase — property of a filter whereby the phase response of the filter is a linear function of frequency, resulting in all frequency components of the input signal being shifted in time (usually delayed) by the same constant amount (the slope of the linear function). Favouring simplicity in operation, LENS’ Selectivity section shows its available 18 bands (less selective) to 64 bands (more selective) reach, resulting in thinner phase-shift with possible high-end roll-off while offering little in the way of distinguishing between frequencies at lower settings and increasing phase-shift with a fuller, rounder sound while distinguishing between nearby frequencies at higher settings — albeit at considerable cost to the plug-in’s CPU (Central
Processing Unit) usage when working at higher Selectivity settings. An adjacent (self-explanatory) Stereo Link control ranges between 0% to 100%.

Far from falling short in compression capability, all 64 of LENS’ compressors can be simultaneously manipulated from its COMPRESSOR panel, providing controls for
Attack Hi. (High)— attack time of the compressor for high frequencies (at 20 kHz); Attack Lo. (Low) — attack time of the compressor for low frequencies (at 20 Hz); Release — release time of the compressor for both low and high frequencies; SC Width — adjusts the stereo width of the compressor sidechain signal; and Link
Bands — continuously transitions between full-band and multi-band for the gain reduction stage.


Similarly, all 64 of LENS’ expanders can be simultaneously manipulated from its EXPANDER panel, providing controls for Attack — attack time of the expander for both low and high frequencies; Release — release time of the expander for both low and high frequencies; Relative Thr. (Threshold) — a specialised mode whereby the threshold of the expander is the average local energy, allowing for suppression of information masked by high-volume components in the same spectral frame, making the signal sound less ‘complex’; SC Width — adjusts the stereo width of the expander sidechain signal; and Link Bands — continuously transitions between fullband and multi-band for the gain reduction stage.


Sandwiched between those COMPRESSOR and EXPANDER panels to take ‘centre stage’ in the LENS GUI (Graphical User Interface) is its gain map, viewable in COMPRESSOR or EXPANDER modes; the former lets users adjust the threshold of the compressor (by dragging the middle point), compressor ratio (by dragging the rightmost point), and compressor make-up (by dragging the bottom-left point), while the latter lets users adjust the threshold of the expander (by dragging the middle point) and expander ratio (by dragging the bottom point). It is also possible to simply speed up that already speedy process by right-clicking the threshold point to simultaneously set the threshold and ratio in both viewing modes.

Features include:

  • Multi-band compression without cross-over phase shifts.
  • EQ with constant phase without ringing.
  • Up to 64 companders, all working together on a stereo signal.
  • Simultaneous control of sidechain EQ and output EQ.
  • Removing information that is masked by nearby components.
  • Clean “Over The Top” multiband upwards compression.

LENS is available to PC and Mac users (VST2, VST3, AU and AAX).

For more information on LENS, click here:

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