Differences

This shows you the differences between two versions of the page.

--- eq1979 [2022/11/18 21:48] – wadmin
+++ eq1979 [2022/12/07 11:03] (current) – wadmin
@@ Line 1: / Line 1: @@
 ===== EQ1979 Analog Strip and EQ =====
-EQ1979 is a frequency accurate modeling of a Neve 1073 filter stage combined with an input gain-compensated saturation.
+EQ1979 is a [[https://www.reaper.fm/|Reaper JSFX Plugin]] providing frequency accurate modeling of a Neve 1073 filter stage combined with an input gain-compensated saturation.
-{{https://github.com/D4p0up/eq1979/raw/main/eq1979.png}}
+{{ :1979:1979:1979.png?nolink |}}
-- Designed by cascading ~40 peq/butterworth filters to reproduce frequency response, bumps and drops of the original console strip,
+EQ1979 models all the sonically appealing bumps and drops that shape the sound of these original console strips. Those analog filtering stages with many capacitance/inductors resonances are reproduced, including input transformer contribution.
-- Neve-inspired GUI with big knobs and that slick Neve soft blue background.
-- Input saturation based on brute "arctan" sat which is gain-compensated.
-- Includes additional independant gain trimming.
-Controls :
+It also includes an input saturation stage that provides smooth saturation with automatic gain compensation. The first two third of the control range add slik-soft arctan based saturation, whereas the last third adds some DC bias error just like in a real class A analog console strip. Input can be trimmed after saturation upon preference thanks to the Trim control.
-- Saturation: Left mouse button to change Saturation value, Wheel to change makeup gain, right mouse to reset either Sat or makeup
-- Frequency bands : Left to change filter gain, wheel swaps frequency bands. Right mouse button resets these as well.
-Download V0.95 :
+  * Neve-inspired GUI was designed by Steph at [[https://www.fluidshell.com/accueil|Fluidshell Design]]. Many thanks for his kind contribution to the project.
+  * All signal processing methods are derived from the excellent [[http://ajaxsoundstudio.com/software/cookdsp/|CookDSP library by Olivier Bélanger]].
+==== Controls : ====
+{{ :1979:1979:1979.gif?nolink |}}
+  * **Drive**: Input saturation from 0 to 100% : **Mouse left Click - vertical drag**
+  * **Trim** : Input gain trimming from -24 to +24 dB : **Mouse left click - Vertical Drag** //OR// **Mouse wheel**
+  * **High** : High shelf shaped filter Gain from -16 to +16dB : **Mouse left Click - vertical drag**
+  * **Mid** : Mid Bell shaped filter Gain from -18 to +18dB : **Mouse left Click - vertical drag**
+  * **Mid Frequency** : Mid Bell center frequency, "Off" means inactive : **Mouse left click - Vertical Drag** //OR// **Mouse wheel**
+  * **Low** : Low shelf shaped filter Gain from -16 to +16dB : **Mouse left Click - vertical drag**
+  * **Low Frequency** : Low shelf corner frequency, "Off" means inactive : **Mouse left click - Vertical Drag** //OR// **Mouse wheel**
+  * **HPF** : High pass filter corner frequency, "Off" means inactive : **Mouse left click - Vertical Drag** //OR// **Mouse wheel**
+  * **EQ** : Enables/Disables EQ : **Mouse Left Click**
+  * **Phi** : Enables/Disables phase inversion : **Mouse Left Click**
+  * On all controls, **Right Mouse Click** resets to default value. Notably, Drives comes back to 0%, Trim to 0dB, Filter Gains to 0dB, and Frequency settings to "Off".
+  * **Right clicking** on the lower right corner of the UI displays/hides reaper native slider controls.
+==== Download ====
 Github : https://github.com/D4p0up/eq1979
+==== Insight ====
+This was developped by analysing datasheet and pulling out in a retry-on error fashion an "equivalent" frequency response. This using both plugindoctor and ear tests VS the latest UAD 1073 emulation plugin.
+Design cascades ~40 peq/butterworth filters to reproduce frequency response, including native fluctuations at phase and frequency level induced by capacitive, inductive and transformer components.
+Saturation uses Arctan as a baseline to avoid any non linear cliff-effect on sound.
+Filter methods are derived from Oliver Belanger's COOKDSP library - Copyright (c) - 2014 - Olivier Belanger
+Here are some of the final comparison diagrams, orange/blue curves are UAD Neve 1073 native plugin L/R channel, pink is EQ1979:
+Raw static with mid engaged (with typical 1073 mid bump)
+{{https://github.com/D4p0up/eq1979/raw/main/freqresponse/raw.png}}
+Typical Neve "Air" 14dB high boost (with its mid drop)
+{{https://github.com/D4p0up/eq1979/raw/main/freqresponse/14dB_HS_boost.png}}
+Typical Neve Mid "front push" 14dB 1.6k boost
+{{https://github.com/D4p0up/eq1979/raw/main/freqresponse/14dB_1600hz.png}}
-Versions :
+==== Versions ====
+- Beta 0.96
+   * New slick GUI By Fluidshell Design !
+   * Improved saturation with progressive bias error
+   * Electrical components noise modeling added
+   * Frequency band controls can now be set/reset using mouse click too (mousewheel still).
+   * Right clicking on the lower right corner of the UI displays/hides reaper native slider controls.
 - Beta 0.95
    * Improved modeling of HPF and Low Shelf filter responses
@@ Line 34: / Line 75: @@
 - Beta 0.9 - First release
-This was developped by analysing datasheet and pulling out in a retry-on error fashion an "equivalent" frequency response. This using both plugindoctor and ear tests VS the latest UAD 1073 emulation plugin.
-Filter methods are derived from Oliver Belanger's COOKDSP library - Copyright (c) - 2014 - Olivier Belanger
-Here are some of the final comparison diagrams, orange/blue curves are UAD Neve 1073 native plugin L/R channel, pink is EQ1979:
-Raw static with mid engaged (with typical 1073 mid bump)
-{{https://github.com/D4p0up/eq1979/raw/main/freqresponse/raw.png}}
-Typical Neve "Air" 14dB high boost (with its mid drop)
-{{https://github.com/D4p0up/eq1979/raw/main/freqresponse/14dB_HS_boost.png}}
-Typical Neve Mid "front push" 14dB 1.6k boost
-{{https://github.com/D4p0up/eq1979/raw/main/freqresponse/14dB_1600hz.png}}
-To Do :
-- Implement parameter smoothing to avoid glitches during automation,
-- Low shelf filter bumps
-- BLower high pass input filter to ear accurate model
-===== VST EQ1979 Analog Strip and EQ (Under Development) =====
-VST emulation of an analog channel strip gain stage and eq with soft saturation.
-{{ :1979:1979.png |}}
-====Download====
-Beta Version 0.2 {{ ::1979:eq1979.zip |}}
-====Changelog====
-**0.2** - Low frequency rumble fix
-  - Added low frequency smoothing
-  - Added 20k lowpass
-**0.1** - Inital Release