MATRIXSYNTH: Endorphin.es Grand Terminal *In depth Eurorack demo & tutorial*

Monday, August 06, 2018

Endorphin.es Grand Terminal *In depth Eurorack demo & tutorial*


Published on Aug 6, 2018 DivKidVideo

"Here's the Grand Terminal from Endorphin.es and here's my in depth demo of it. I would like to stress that although this is a long, in depth video showing a lot of the uses of the module all the basic functionality and great sound is covered right on the faceplate. It's two function generators, two filters and an FX engine. Simple to use but there's a lot of complexity and digital control in a one level menu that's accessed with button holds. This stops the module being twice the HP size it is, keeps all the key controls at the front but also allows you to set the module up exactly how you want (it saves all the settings automatically on power down / power up) and then make use of all it can offer.

The Grand Terminal makes use of zero delay filters and recent DSP developments in virtual analogue filter design. This DSP can be found in products such as the U-He Diva and there's some resources for those interested below.

ZERO DELAY FILTERS & DSP DEVELOPMENTS.

Quote from Endorphines - "with recent V2 Airways GT update, almost all GT filter types obtained so-called zero-delay nature, Zero-delay filters are recent (well, since probably 5 years) DSP researches present in quality virtual analog synths as U-he Diva or Reaktor Blocks and many more."

"The reason these filters are so interesting (and titled Virtual Analog) is that they mathematically preserve the original analog filter topology, including (in most cases) zero-delay loops" (c) http://www.willpirkle.com/Downloads/A...

Also some more material about the topic from Urs Heckmann himself: https://urs.silvrback.com/zero-delay-...

TIMING INDEX / SECTIONS

INTRODUCTIONS

00:00 Hello and patch previews showing what's to come

01:30 What is it? Features and functions. Function Generators, Filters, LPGs, FX, mono operation, stereo operation, expander, making oscillators. Verbal run down of the unit. What are the airplanes? What's take off time? Landing time? Exits, check in, gates. All covered here.

04:58 A word on zero-delay filters and their development with things like the U-He Diva. Virtual analogue filters taking advantage of the most recent DSP research. See links above.

FILTERS

05:51 Filters - sounds, control, each of the 8 filters types.

11:44 Filters under modulation - using the function generators to modulate the filters.

14:55 Filters in context - filtering a riff and bassline so you can hear this in a musical context.

17:12 Filtering drum sounds

18:48 Filter routing options - how to change from parallel, series or stereo processing.

19:32 Dual filters in series - Korg MS-20 dual filter tricks, such as boosting bass with a resonant high pass going into a low pass.

22:03 Stereo filtering - using the stereo output and using the stereo mode to process stereo modular audio sources. We also look at panning the filters as you can set that hard left and right, softer pan or summing to mono.

FX SECTION

27:07 The "cabin pressure" FX processor section. Looking at FX over a mix of synth and noise tones. We have hall, shimmer, room, plate and spring reverbs, ping pong delay, tape echo and a new freezer effect.

37:00 FX over drum sounds - showing the FX with other sound sources, looking at creating stereo space, infinite reverb holds, buffer repeats, loopers and more!

FUNCTION GENERATORS

40:33 A run down of the two function generators for trigger two stages envelopes, gate three stage envelopes or looping envelopes. Unipolar and bipolar outputs, wave shaping the rising of falling portions of the wave and using the expander or jumpers to select CV over stage time or stage shape.

44:31 Using the Grand Terminal as a FULL SYNTH VOICE. One looping, audio rate, 1v/oct tracking function generator into the dual filter set up that's modulated by the other function generator. I also look at using the check in as a analogue sync/reset effect for the oscillating function generator, this creates new overtones.

47:16 The Gateway expander, jumper settings, other things not covered in the video."

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