Zeppelin Design Labs Macchiato Owner's Manual

Mini digital synthesizer
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MACCHIATo
Owner's Manual
MINI DIGITAL SYNTHESIZER

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Summary of Contents for Zeppelin Design Labs Macchiato

  • Page 1 MACCHIATo Owner’s Manual MINI DIGITAL SYNTHESIZER...
  • Page 2: Table Of Contents

    © 2017 ZEPPELIN DESIGN LABS. NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT WRITTEN PERMISSION FROM THE AUTHOR. ZEPPELIN DESIGN LABS TAKES NO RESPONSIBILITY FOR ANY DAMAGE OR HARM THAT MAY COME TO ANYONE OR ANYTHING THROUGH THEIR PRODUCTS. THE MACCHIATO SOFTWARE IS UNDER THE CREATIVE COMMONS SHARE-ALIKE LICENSE, WHICH MEANS YOU ARE FREE TO ADD OR BUILD UPON THIS SOFTWARE IN ANY WAY YOUR CREATIVITY ALLOWS, BUT ANY DERIVATIVES MUST BE SHARED USING THE SAME LICENSE.
  • Page 3: Quick Start Guide

    QUICK START GUIDE Look for the companion demo video at http://zeppelindesignlabs.com/product/macchiato/. 1. POWER UP Use a 9V DC power supply or a battery. • 9V DC power supply (“wall wart”, strongly recommended): Must be rated for 200mA minimum, with center-negative polarity. Look for this graphic...
  • Page 4 • Turn up halfway. Your synth now has a distinct “wawawawawah” sound. RATE DEPTH • Slowly turn back and forth to control the rate at which the LFO oscillates. At full left, the speed RATE is zero, and the LFO effect freezes. • Turn right to increase the effect of the LFO, and left to decrease it down to no effect at all.
  • Page 5: Reference Manual

    The software in the Macchiato was developed by Zeppelin Design Labs. It incorporates elements of the Mozzi library by Tim Barrass. Both are covered by the Creative Commons Share and Share Alike license. You are free to modify and redistribute the Macchiato code, as long as you give attribution to its creators.
  • Page 6: Feature List

    FEATURE LIST TOP PANEL 1. Wave Shape Select: Sine, Triangle, Saw, Square 2. Octave Select: 1 (C2-C3) through 4 (C5-C6) 3. Attack: 28 ms – 2500 ms 4. Release: 25 ms – 3000 ms 5. LFO Shape Select: Sine, Saw, Ramp, Square 6.
  • Page 7 REAR PANEL 1. Audio Out (accepts 3.5mm TRS or TRRS male jack) 2. 9V DC Power Input 3. Power On / Off 4. MIDI IN ON THE PCB 1. Battery Holder (upper left) 2. ISP Header (directly right of serial number sticker)
  • Page 8: Rear Panel Features

    This is a line-level Audio Out. It accepts a typical 3.5mm headphone jack, TRS. TRS = Tip-Ring-Sleeve, a stereo jack with three segments. (The Macchiato Mini-Synth is a monaural device.) The earbuds used with smartphones are sometimes TRRS style (Tip-Ring-Ring-Sleeve, 4 segments). These will work fine too.
  • Page 9 You can control your Macchiato Mini-Synth with any MIDI controller device. Just run a standard 5-pin DIN MIDI cable from the MIDI OUT of your controller to the MIDI IN of the Macchiato. That’s it. You can now play any note from any register on the controller and your Macchiato will happily respond. You can play the capacitive touch keyboard simultaneously with the MIDI, though the synth is still limited to its two-note polyphony.
  • Page 10: Top Panel Features

    2-note polyphony though: if you touch two keys simultaneously with your melody-hand, you will lose your drone. See “Capacitive Touch Keyboard”, below. You can access more notes by using a MIDI controller with your Macchiato. See MIDI IN, above.
  • Page 11 Between Attack and Release is the Sustain phase. This is what is happening when you simply hold a key down. Your Macchiato is programmed for an unchanging amplitude while you hold the key. The note will continue to sound at full volume for several minutes and then spontaneously enter the Release phase.
  • Page 12 This signal might have any shape, just like the audio waveform. But the LFO is not used to make a sound; it is used to alter a sound. As the LFO changes through time, your Macchiato uses it to alter the Cutoff frequency as described below. This is used by the Low Pass Filter (LPF) to affect the sound of the note you are playing.
  • Page 13 7. CUTOFF This knob adjusts the Low Pass Filter Cutoff Frequency. A Low Pass Filter (LPF) allows all overtones below a specified cutoff frequency to pass through. Thus as you adjust the filter to a lower and lower cutoff frequency, you cut off more of the high-frequency harmonics (overtones), making the sound darker, lower, rounder, and more muffled.
  • Page 14 8. LFO DEPTH Turn Knob #1 Wave Shape Select full right to select Square wave. Set Knob #6 LFO Rate to the 12 o’clock position to select medium Rate. Set Knob #7 full right, for maximum Cutoff frequency, which allows the fullest sound to pass through. Knob #8 LFO Depth controls the extent to which the LFO modulates (affects) the LPF Cutoff frequency.
  • Page 15 The capacitive touch keys work best when the synth has something plugged in to either the Power In jack, the Audio Out jack, or both. If you power the Macchiato with a battery, and listen via the on- board speaker, you may find the keyboard becomes a little unreliable. It will behave itself if you keep a finger on the blue surface beyond the keys, at far left or right.
  • Page 16 When the battery gets low, the LED will grow dim and your synth will start to go haywire. Replace the battery immediately, or better, switch to a 9V DC power supply. Do not store your Macchiato for an extended period with a battery installed! The battery will eventually leak and could damage your synth.
  • Page 17: Programming The Macchiato Mini-Synth

    Tim Barrass. Mozzi and Macchiato are both covered by the Creative Commons / Attribution license. You are free to modify and redistribute the Macchiato software as long as you give proper credit to the contributing creators. We host the Macchiato source code and all supporting files on Github at www.Github.com/...
  • Page 18: Presets

    PRESETS...

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