Aug 28, 2010

Asymmetrical Signal Processing – #1

The idea behind this project is to split positive and negative portions from an audio signal for individual processing. A splitter can be mad easily in Reaktor or Max/M4L, using Min/Max modules.

I ran some tests under Ableton Live 8 using Max4Live as splitter on Send A (Positive portion) and Send B (Negative portion). In order to perform this technique, under Ableton Live, is mandatory to set the output of audio channel to be processed on “Sends Only”. I tested this technique on an already mixed electronic track. The original track sounds good and punchy but even “flat” in terms of dynamics and space. I tried using different compressor settings for each part of the signal.

As already mentioned it’s very easy to get a distorted signal specially when the mix have few elements (i.e.: only kick+hh parts).

When the song start pumping with more instruments, here comes the magic: the mix now is wider and more dynamic without losing punch. Adjusting compressor parameters and channel levels dramatically change the final result, more often with heavy distortions.

I have to find a way to get rid of this drawback and test this technique with different effect types and working on some audio and video proof of concept to show.

Stay tuned,
Luca

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Mar 20, 2010

The Modular Piano 2010

The Modular Piano

This project started as an experiment in summer 2009. I worked on this sound for months, trying to push the boundaries of subtractive synthesis together a wise usage of sampling. The final result is my first commercial library based on this synthesized, different and hopefully new piano sound.

The Modular Piano for NI Kontakt can be purchased as download at a price of €29 on Progsounds.com

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The Modular Piano solo demo by Space4Keys

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Oct 15, 2009

Modular Piano

Modular Piano

While programming my first library I ran into the need to have an acoustic piano sound. Since I don’t have a real piano to sample, I decided to synthesize it from scratch using “traditional” subtractive synthesis technique. This is my first good result and has been achived only by using basic oscillators, filters and so on. The only downside is the limited polyphony due to heavy CPU usage so I sampled almost every key and mapped them into a sampler in order to make this sound more usable.

Midi file provided by Purgatory Creek
Modular piano by Luca Capozzi – 2009

Update Oct. 14, 2009: Added color control and individual string detuning.

Audio examples:

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Default timbre – No color control – No strings detune

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Color set to 25 – Strings detuned

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Excerpt from Listzt Piano Concerto n. 1

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Update Nov. 7: Trying different filters and parameters. Chopin Etude Op.10 n.4

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Update Nov. 17: Layering different settings – Purgatory Creek

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Grand Illusion (Jordan Rudess)

Links:
Modular piano @ Behance Network

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May 28, 2009

The Stethosphone

The Stethosphone is an “alternative” miking tool built using a couple of electret mic capsules mounted inside a cheap stethoscope. This instrument is very useful in order to experiment with surface recording from any object and it is good even as new way to record instruments such as guitars, drums and so on.

Recording a Reaktor session with the Stethosphone through a Sony PCM D50 recorder

Recording a Reaktor session with the Stethosphone through a Sony PCM D50 recorder

The following examples are Stethosphone recordings processed in Ableton Live with resonators, reverbs and delays.

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First two recordings captured from my Sony Vaio surface. Source materials are fans and hard disk noises. The recordings have been processed in Ableton Live.

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Vocal recording at low pitch, throat singing alike. The material has been processed in Ableton Live.

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Reaktor session recorded pointing the Stethosphone few millimeters over the laptop speaker and, then, processing it via Ableton Live.

External links:
The Stethosphone on Behance Network
Gearwire interview about the Stethosphone

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Jun 22, 2008

LC Modules Collection Vol.1

Collection of modules, mostly inspired by Doepfer stuff and some brand new one from me.

Prefixes:

A- = Doepfer
G2- = Nord Modular G2
LC- = Luca Capozzi

Modules:

A-101-3X Advanced Phaser
A-104 Trautonium Filter
A-113 Subharmonic Oscillator
A-114b Waveshaper / Ringmod
A-115 Audio Divider
A-116 VC Waveform Processor
A-136 Distortion Waveshaper
A-138c Polarizing Mixer
A-150 Voltage Controlled Switch
A-16X Clock Generator
A-160 Clock Divider
A-161 Clock Sequencer
A-162 Dual Trigger Delay
A-163 Voltage Controlled Divider
A-166 Logic Module
A-167 Analog Comparator
A-188 BBD Delay

G2-ADC 8bit Analog to Digital Converter
G2-DAC 8bit Digital to Analog Converter

LC-100-1 Advanced PWM Oscillator
LC-100-2 Bitcrusher

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Jun 22, 2008

Apocalypse Meow

Apocalypse Meow

Apocalypse Meow, second release of sound designer/IDM artist Luca Capozzi, features eight tracks of exciting electronic music.

Tracklist:

01 – Intro (Grinded Dust)
The analog warmth of a Doepfer and a Moog Voyager travels together the shiny frequencies of a digital Nord Modular G2X introducing you through this electronic journey.

02 – Ka’tun IV
The power of genetic polyrhythmed drums with a taste of acid basslines. The harshness of resonant filters used as solo instrument.
Available for licensing

03 – The Prophecy
Dive yourself straight to the action with this soundtrack-style song. Acoustic orchestration and fat basslines are melted together. A rocking keyboard solo to fight the monster.
Available for licensing

04 – Midnight Fog
Modeled dissonations, filter sweeps as melodic lines. Not for untrained ears.

05 – ZO-ology
An easy-to-listen electronic song.

06 – Back to A
How to play a radio transmission and enjoy your favorite soccer team.

07 – Ostreococcus OsV5
How a virus DNA will sound? Here it is. Bassline, distant echoed guitars and swinging percussions are all generated by a virus genome. Reaktor is the cure.
Available for licensing

08 – Lame Walk
A jazzy walking bass meets a crazy automated breakbeat.

Gear used for Apocalypse Meow: Doepfer A-100, Moog Voyager, Clavia Nord Modular G2X, Metasonix TX-1, Roland TR-606, Native Instruments Reaktor 5, AAS Tassman, Logic Studio Pro, Ableton Live 7.

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May 10, 2008

DNA Sequencer

A useful tool to stream DNA sequences as midi notes
Use genome data as base for your compositions or live improvisations. Check “Instructions.rtf” inside the archive. A table of Ostreococcus virus Os V5, controlling Beatslicer, is provided as example. The mp3 demo shows an extensive use of this ensemble as notes source for more mangling in Ableton Live.

DNA Sequencer

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In this track bassline, distant echoed guitars and swinging percussions are all generated by the same virus genome.

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May 10, 2008

Diode Screamer

Tube Screamer like diode clipper
A diode clipper inspired to Ibanez Tube Screamer. Far from perfect, but sounds nice. Check the two MP3 files: first one with light drive settings while last one with full drive.

Diode Screamer

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1.

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2.

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Feb 24, 2008

L.C. Transient Maker VST

A simple free VST transient shaper to be used as insert effect to punch yout drumkits.

L.C. Transient Maker

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Nov 24, 2007

Circuit Bent Boss DS-2

This bent gives you the opportunity to change your old Boss DS-2 Turbo Distortion from an old pedal to Pure Evil.

You’ll need:

* Jumper wires
* 100K Linear pot
* SPST Switches (On/Off)

WARNING: This bent will permanently change your pedal sound. There is no bypass here.

First of all, open your Boss DS-2 and pull out the PCB paying attention to the wires inside the box. Now you can see both “Input” and “Remote” jack sockets. If you want to put a knob inside the box, you can remove the “Remote” socket to free space. As you can see, there are two black cables soldered to a “Remote” socket plug and one of them goes to the main switch. Remove the “Remote” socket and solder the long black cable to the main switch. Now you can fit the pot into the free hole.

Circuit Bent Boss DS-2 PCB Side

PCB Side

Pull out the main switch while pushing the two little side “levers”. Let your SPST switch cables passing through the same path as main switch cables. Now you’re ready to solder. Using the “PCB Side” image as reference, do the following steps:

Solder one switch wire to the point marked as A and join the remaining cable to one of two lateral pot cables (see point B on the picture). Solder the center pot cable to the point marked as D and the last cable to the C point.

Solder a jumper wire between the two blue points as shown in reference picture. Now you can close your pedal and enjoy.


Further Developments

There are other interesting point around D marker. The upper blue point seems to be the signal output and can be joint with the area to the left of C point for feedback loops. Try it using a switched pot in order to activate the feedback and setting the amount. The bottom blue point seems to be into the filter section and this area can provide other interesting timbres. I suggest you to keep out from the yellow area, especially from the right side and the top power socket.

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