Qu-Bit Electronix Nebulae Manual Manual
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Qu-Bit Electronix Nebulae Manual Manual

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Summary of Contents for Qu-Bit Electronix Nebulae

  • Page 1 Nebulae...

  • Page 2: Description

    Nebulae lives a double life as an open source DSP platform with an extensive library of off the shelf alternate instruments. You can turn the module into a lush reverb, spectral delay, or tape-style looper simply by loading a new file onto the flash drive.

  • Page 3: Table Of Contents

    Contents Description General Specs ..........Audio Quality .
  • Page 4 12. File ..........13.
  • Page 5 7. Blend ..........8.

  • Page 6: General

    12 volts. In most systems, the negative 12 volt supply line is at the bottom. The power cable should be connected to the Nebulae with the red band facing the bottom of the module.

  • Page 7: Boot Animations

    Boot Animations The boot animation rotates the RGB LEDs in a circle during bootup, and when reloading files or instruments. To give useful visual feedback there are a number of different colors used during this animation. The white booting animation will start 10 seconds after powering the module. Color Status White...

  • Page 8: Marked Diagram

    Marked Diagram...

  • Page 9: Granular Looper

    Granular Looper The granular looper plays back an audio file or a recorded buffer and loops it. It is run through a phase vocoder to allow for the independent pitch and speed control. The output is then run in parallel with a granular processor that the user can mix between.

  • Page 10: Pitch

    2. Pitch Turning the encoder will increase/decrease the pitch of the audio sample, or recorded buffer independently of play- back speed. CV input tracks 1V/Octave, accepts 0-5V unipolar, and is added to the knob position. Pitch ranges from -3 octaves to +2 octaves. When set to original pitch, both pitch LEDs will be blue.

  • Page 11: Overlap

    6. Overlap Controls the amount of overlap between successive grains as well as the size of individual grains. Ranges from 1% to 600% of grain rate. When the Secondary Freeze control is enabled, and the density control is all the way down, overlap will control the grain size across a fixed range from 500us to 2 seconds.

  • Page 12: Audio Inputs

    9. Audio Inputs Stereo Audio Inputs. When nothing is connected to the right input, the left input will normal to the right input. When set to file source this is used as an FM Input for the grains being generated. 10.

  • Page 13: Reset

    14. Reset Resets the playback position to the currently selected loop start point. 15. Freeze Pauses the current playback position while retaining the frequency and spectral characteristics of the audio. This is a latching control. The Button LED will be illuminated when the buffer is frozen. 16.

  • Page 14: Pitch

    2. Pitch This control sets the amount of random pitch deviation. Range: +/- 2 octaves. The purple LED indicators will blink when trying to turn the encoder past the minimum or maximum. Clicking this encoder from the secondary control menu will restore all secondary controls to their default positions. 3.

  • Page 15: Window

    8. Window Stochastic grain masking. Increasing this control will mute random grains. The stochastic masking is calculated for left and right channels separately. When set fully counter-clockwise, no grains will be muted. When set to the middle, half of all grains will be muted. When set fully clockwise, 99% of all grains will be muted.

  • Page 16: File

    12. File This changes the order in which the file button progresses through the files. Pressing the button will advance through the following options, wrapping at the end of the list. Option Number Playback Order Indicator 1 (default) Forward LED fades from dark to light Backward LED fades from light to dark Random...

  • Page 17: Instr Selector

    Instr Selector The Nebulae can be an infinite number of different instruments, thanks to the .instr file. This allows an independent chunk of Csound or Pure Data code to run with access to all files, and controls that our main granular looper uses.

  • Page 18: Factory Instr Files

    Factory Instr Files Currently the following factory instruments are loaded in the following positions from left to right:. 1. a_granularlooper.instr - Granular looper with phase vocoder audio engine. 2. b_oneshot.instr - A 4-channel one shot sampler with varispeed. 3. c_synth.instr - Synth voice, Morphable Waveform, Sub, and an LPF. 4.

  • Page 19: One-Shot Polyphonic Sample Player

    CV input responds to +/- 5V, and is added to the pot position.. 7. Blend Offset for file selection.. When fully counter-clockwise, the first four samples loaded on the Nebulae will be played. When fully clockwise, the last four sample loaded on the Nebulae will be played.

  • Page 20: Record

    11. Record Trigger for sample one. 12. File Trigger for sample two. 13. Source Kill All Trigger/Button. Chokes all the inputs. Holding this accesses the secondary control menu.. 14. Reset Trigger for sample three. 15. Freeze Trigger for sample four. Secondary Controls 3.

  • Page 21: Window

    8. Window Controls the amount of downsampling.. 11. Record Kills only the first channel’s sample. 12. File Kills only the second channel’s sample. 14. Reset Kills only the third channel’s sample. 15. Freeze Kills only the fourth channel’s sample.

  • Page 22: Synth Voice

    Synth Voice Subtractive synth voice, featuring waveform blend, controllable sub-oscillator amount, and a 24 dB ladder filter. Primary Controls 2. Pitch Frequency of the Oscillator. Five octave range. 5. Density Cutoff frequency of low pass filter. 6. Overlap Resonance of low pass filter. 7.

  • Page 23: Secondary Controls

    Secondary Controls No Secondary Controls have been implemented yet.

  • Page 24: World Of Echo

    World of Echo Multi-fx instrument featuring delay, and reverb. Primary Controls 3. Start Delay Time (2 second maximum) 4. Size Feedback Amount 5. Density Reverb Time 6. Overlap Reverb Filtering control 7. Blend Dry/Wet for the Delay mix 8. Window Amount of post-delay signal to send to the reverb bus.

  • Page 25: Source

    13. Source Mutes the audio input. Secondary Controls No Secondary Controls have been implemented yet.

  • Page 26: Test I/O

    Test I/O This instrument file can be used to verify audio pass through, and see the amplitude of completely unprocessed sources. The Source button acts as a latching mute control. This is also a nice instrument file to use to get started building alternate instruments. Secondary Controls 1.

  • Page 27: Formatting A New Usb Drive

    Formatting a New USB Drive The Nebulae expects a USB drive formatted as FAT32. Mac OS X On recent releases of Mac OS X there is an issue with disk utility that requires additional steps for formatting. To format, follow these steps:.

  • Page 28: File Types

    .instr files and vice versa). For example, if the user loads foo.wav from a USB drive, removes the USB drive, and power cycles the Nebulae. foo.wav will remain on the Nebulae. If you reload the USB drive with foo_2.wav, foo.wav will be removed from the Nebulae, and foo_2.wav will be added.

  • Page 29: Neb Log

    This file can be deleted at any time without issue. It will be regenerated upon boot up. The dates are likely incorrect as the Nebulae’s filesystem is read-only most of the time, which doesn’t allow it to keep an accurate calendar. .

  • Page 30: Firmware Update

    • After the typical boot time, the LEDs will begin to cycle green indicating the firmware is updating successfully. • The update will take up to 90 seconds. • Once the update is complete the LEDs will stop rotating, and will remain green while the Nebulae performs a software reboot.

  • Page 31: Release Notes

    Release Notes...

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