turntable sequencer: optical sensor stereo filter @grahamdunning
turntable sequencer: optical sensor stereo filter  @grahamdunning
Uploaded April 2026 | Updated September 2026, 2 weeks ago
Each eyeball contains a light dependent resistor. The reflecting and refracting light patterns created by the rotating prisms create fluctuating values of resistance from each sensor. This is converted to a control voltage and used to modulate a filter for each stereo channel.
This is a longer version of a section from my video of technical developments as part of my recently completed PhD, "Mechanical Techno: extended turntable as live assemblage."
Full technical video: youtu.be/sBhGbHVQYvI
Thesis and media: grahamdunning.com/PhD
An album recorded using these methods and devices: grahamdunning.bandcamp.com/album/quern
turntable sequencer: optical sensor stereo filterHeavy Lifting vs Graham Dunning - Live at Peckham Digital FestivalGraham Dunning - Anthropomorphic GömböcAnton Mobin & Benedict Taylor - live on NTSMechanical Techno & Live Coding - studio rehearsalGraham Dunning - Reachin [Reach Into Time]Cath Roberts (electronics) & Graham Dunning (extended turntable) - Live at Iklectik 12 January 2023Galerie Paradise installation timelapseSam Underwood & Graham Dunning - Rôtation CôsmikNoisevember 2019 Day 26: Improv session with Tansy SpinksNoisevember 2019 Day 5: Kiwi fruit clock face on a record playerTurntable sequencer: worm gear small percussion (long version)
Graham Dunning |

turntable sequencer: optical sensor stereo filter

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