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Mutable Instruments Clouds User Manual

Granular audio processor
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Clouds is a granular audio processor. It creates textures and soundscapes by combining multiple
overlapping, delayed, transposed and enveloped segments of sound taken from an audio recording buffer.
Clouds differs from other granular Eurorack modules in that it focuses on the real-time processing of audio
sources from your modular system itself, rather than the playback of pre-recorded samples from a storage
device. It rewards the freezing, fragmentation and dissolution of the unexpected instant, rather than the
careful planning of what might very well not come.
Clouds is designed for Eurorack synthesizer systems and occupies 18 HP of space. It requires a -12V /
+12V supply (2x5 pin connector), drawing 10mA from the -12V rail and 120mA from the +12V rail. The red
stripe of the ribbon cable must be oriented on the same side as the "Red stripe" marking on the printed
circuit board.
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation.
This device meets the requirements of the following standards: EN55032, EN55103-2,
EN61000-3-2, EN61000-3-3, EN62311.
Clouds continuously records the incoming audio into a short amount of sample memory. While recording
time can reach up to 8s by reducing the audio quality setting, you ought to feel very guilty every time you
think of this as "tape" - think of it as a space, a room. Using this recorded audio data, the module
synthesizes a sonic texture by playing back short (overlapping) segments of audio (also known as
"grains") extracted from it.
Clouds allows you to control:
From which part of the buffer the grains are taken.
How long the grains are.
At which speed/pitch the grains are replayed.
How much overlap there is between the grains (density).
Mutable Instruments | Clouds
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Summary of Contents for Mutable Instruments Clouds

  • Page 1 Clouds is designed for Eurorack synthesizer systems and occupies 18 HP of space. It requires a -12V / +12V supply (2x5 pin connector), drawing 10mA from the -12V rail and 120mA from the +12V rail. The red stripe of the ribbon cable must be oriented on the same side as the “Red stripe”...
  • Page 2 The maximum number of concurrent grains is quite large - between 40 and 60. This specificity brings Clouds closer to the roots of granular synthesis, and allows the synthesis of varied textures even from basic waveforms - there’s indeed many more dimensions to granular synthesis than keeping a playback pointer moving...
  • Page 3 12 o’clock, and sending a trigger to this input, Clouds can be controlled like a micro-sample player. An LFO or clock divider (or even a pressure plate) can thus be used to sow grains at the rate of your choice.
  • Page 4 The current quality setting is indicated by a red LED. Note that Clouds’ 8-bit is a lovely flavour of 8-bit: µ-law companding. It sounds like a Cassette, or a Fairlight - less hiss, more distortion.
  • Page 5 (equalizer, FX processor) is inserted in the signal chain. In its tumultuous teenage years, Clouds tried to be everything, including a delay/pitch-shifter, a spectral processor, a projectionist and a cab driver in Rouen. This experimental code is still available in the...
  • Page 6 Tony Rolando come play with your system. This product is covered by Mutable Instruments’ warranty, for one year following the date of manufacture. This warranty covers any defect in the manufacturing of this product. This warranty does not cover any damage or malfunction caused by incorrect use - such as, but not limited to, power cables connected backwards, excessive voltage levels, or exposure to extreme temperature or moisture levels.
  • Page 7 Mutable Instruments | Clouds 7 of 7...