visuals

Pure Data example: The Ethical eMarket logo animation

The Ethical eMarket logo was animated by Webel using the GEM visual synthesis extensions for the PureData synthesis environment:

Drums.pd

Drums.pd

The 3 drum trigger channels select from preloaded drum samples.

Strips.pd

Strips.pd

Generates the 3 "signal thermometer" bars in the Drancel RGB PureData/GEM accelerometer monitors, from the (R,G,B) values corresponding to the (X,Y,Z) accelerometer signals, relative to the calibration "home".

Typically 1 bar is below the home line, while the 2 others are above - or vice-versa; imagine a fixed amount of water slopping between three buckets with marker lines at the middle of each bucket.

FilterCh.pd

FilterCh.pd

A mono filter chain with controls.

VFO.pd

VFO.pd

Each channel of each Drancel can drive a Variable Frequency Oscillator (VFO) - in this case a simple sine oscillator - with the option of locking onto discrete MIDI note frequencies, as well as a frequency scaling, a frequency offset, and an output gain.

Filters.pd

Filters.pd

Some of the very electronic noises generated can be a bit abrasive, especially from wide-sweeping VFOs, so it is useful to cut some very low rumble and some very high frequencies. This patch feeds stereo to some basic mono filters in FilterCh.pd.

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