Monday, January 18, 2016
Audulus 2 Minute Tip - 3: How to Make a Vibrato Effect
Published on Jan 18, 2016 Bimini Road
iTunes: Audulus 3 - Audulus LLC
"Vibrato is sometimes confused with tremolo thanks to Fender amps, which incorrectly label their tremolo circuits as vibrato. Vibrato and tremolo are easy to parse however: tremolo is volume (amplitude) modulation, while vibrato is pitch (frequency) modulation. When you wiggle your finger back and forth on a string on a violin, *that's* vibrato - what you are doing is shortening and lengthening the amount of vibrating string between your finger and the tailpiece (or saddle on a guitar).
Making a pitch-shifting vibrato effect that induces frequency changes in audio is a little more complex, so this just focuses on how to add vibrato to an oscillator, which is very easy.
Wondering how to begin designing effects in Audulus? You can't get more simple than a Tremolo.
A Tremolo effect (known to Fender enthusiasts as "Vibrato" but we'll get to that one later) is a modulated amplitude (i.e. volume) level. Electrically, this is usually done by driving a lamp or LED with an LFO circuit, while the audio path runs through a light-dependent resistor (LDR). The Light + LDR makes an Optocoupler. This isolates the LFO from the circuit and keeps your audio path super clean.
In Audulus, however, none of that is necessary. All you need to make a Tremolo is an LFO and a Level node. Apply the LFO's output to the Level node, run your audio in and out, and bam, you have a Tremolo!
This tutorial also shows you some beginning steps you can take to modify the LFO: adding to the signal increases the "floor," or how low the volume gets. Multiplying the signal (really, dividing, since we're multiplying by a number between 0-1), will expand or shrink its overall range.
The 2 Minute Tip series breaks apart topics on Audulus into bite-sized chunks. I don't talk during the tutorials (though there are a few notes that pop up), and this is so that international viewers who don't understand English well don't feel left out. Familiarize yourself with the node menu and my navigation won't be so mystifying. In the future, we'll develop a finger press indicator so you can see where I'm tapping.
http://www.audulus.com
http://forum.audulus.com
http://www.biminiroadelectronics.com/...
https://soundcloud.com/biminiroadmusi..."
More 2 Minute Tip tutorials here.
Artisan Electronics Ottava Beat 1 Demo
Published on Jan 18, 2016 Synth Man
Re-Published on Jan 27, 2016 in higher resolution.
"Quick first demo of the
Ottava Analog Desktop Performance Synthesizer
by Artisan Electronic Instruments.
All sounds from Ottava.
More to come...."
A Touch Of Chaos (Korg DSM-1) (1987) - Don Muro
Published on Jan 18, 2016 jd wall
"Korg issued a series of DSM-1demo disks in different styles. This sequence uses some of the orchestral sounds. (The four-part multitimbral capability was a challenge.) The 2.8' demo disks were compatible with the the Korg SQD-1 sequencer."
Build a 'Psych-Tone' Musical SYNTHESIZER Book from the Early 1970's!
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"I'm pleased to offer here on Ebay a complete early 1970's magazine, featuring a cover story on how to Build a 'Psych-Tone' Musical SYNTHESIZER...or call it a 'Music Composer Synthesizer. Includes long description, a number of pages, and the Parts List, Circuit and schematic. This is the first time I have ever encountered this particular magazine and article, and it looks straight forward and not hard to build. Someone is going to love this one! You get the entire magazine and it is in excellent shape."
See the SWTPC channel label below for more. These were from Popular Electronics.
via this auction
"I'm pleased to offer here on Ebay a complete early 1970's magazine, featuring a cover story on how to Build a 'Psych-Tone' Musical SYNTHESIZER...or call it a 'Music Composer Synthesizer. Includes long description, a number of pages, and the Parts List, Circuit and schematic. This is the first time I have ever encountered this particular magazine and article, and it looks straight forward and not hard to build. Someone is going to love this one! You get the entire magazine and it is in excellent shape."
See the SWTPC channel label below for more. These were from Popular Electronics.
Moog Minimoog D Synthesizer
Minimal Arturia AIRA (Microbrute and TR8)
Published on Jan 18, 2016 Calle Nilsson
"Only the Arturia Microbrute and the Roland AIRA TR8 were used."
A little try while debugging the Easel.
Published on Jan 18, 2016 Hathor Menat
"Music Easel 1:1 clone of 1972 original version"
I believe this is the Roman Filippov of Sputnik Modular clone of the Easel.
Mogees & Kitchen Pots
Published on Jan 18, 2016 Synth Anatomy
"This is my first little video showing you Mogees with my Kitchen Pots. Mogees is a contact microphone with which you can transform any object in an instrument"
iTunes: Mogees - Mogees Ltd.
The First EMS VCS3 - SN 001
Apparently, you are looking at the very first EMS VCS3 aka The Putney and sibling to the EMS SYNTHI. Red Bull Music Academy has an excellent post up on White Noise with the history of this particular synth.
"Perched on top of a speaker in another corner sits the synthesizer used on the early White Noise albums, The EMS VCS3, serial number 001.
'That was the very first one he ever made,' Vorhaus says. 'He turned up with a bottle of Dom PĂ©rignon, which cost probably more than the synthesizer.” The ‘he’ in question is Peter Zinovieff, who created the VCS3 with Tristram Cary and David Cockerell in 1969. If it wasn’t for Zinovieff, Vorhaus might never have met his two principal collaborators on An Electric Storm, Brian Hodgson and Delia Derbyshire, of the BBC Radiophonic Workshop. 'Delia Derbyshire was my girlfriend. She showed me everything that was known about electronic music in a couple of weeks,' Vorhaus explains, adding, 'There wasn’t much more to know than that then.'"
On a separate note, one of my biggest regrets was missing the opportunity to purchase Delia Derbyshires' VCS3 several years back. Sonic Boom of Spectrum was selling it along with a Synton Syrinx. Two dream synths I would have loved to own.
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH



























