Sound drawn onto film
Written by Jordan Elias, MT-BC
In 1957 Daphne Oram left the BBC, where she had worked as a sound engineer and composer for over a decade, and set up a studio in a converted oast house in Kent. There, over the following years, she built a machine unlike anything that existed: the Oramics machine. A set of ten synchronised strips of 35mm film ran horizontally through the device. The composer drew directly onto the film — shapes, curves, lines, marks — and as the film moved through a photoelectric cell, the light transmitted through the drawn marks was converted into control voltages, which in turn controlled oscillators, filters, and amplifiers. The drawing was the score. The score was the sound.
Oramics was not notation. It was not a description of sound intended for a performer to realise. It was a direct physical encoding of sound itself: the shape on the film was the sound you heard, with no intermediary, no interpretation, no performance. The composer drew in time and heard time drawn back. This was a genuinely new relationship between the act of inscription and the act of sounding — one that most electronic music systems of the period, which used keyboards, punch cards, or written parameter sheets, did not offer.
From the BBC to the oast house
Daphne Oram was born in Wiltshire in 1925. She taught herself composition and showed exceptional ability young; at eighteen she joined the BBC as a music balancer, one of the few women in technical roles in the corporation at that time. Over the following decade she worked in studios, composed incidental music for radio programmes, and became increasingly convinced that electronic sound offered compositional possibilities unavailable through conventional instruments and notation. In 1957 she co-founded the BBC Radiophonic Workshop — alongside Desmond Briscoe — and became its first studio manager. She left the following year, frustrated by the institutional constraints placed on the Workshop's work and determined to pursue her own research independently.
The Oramics machine occupied much of the next two decades. It was an enormously laborious undertaking — designing, constructing, and refining a bespoke electronic instrument with minimal funding and institutional support, largely alone. Oram applied for patents, sought grants, and gave demonstrations, but the machine never received the recognition or resources that might have allowed it to develop into something widely used. She continued working in her studio in Fairseat, Kent, composing, teaching, and writing — her book An Individual Note of Music, Sound and Electronics (1972) remains one of the most distinctive accounts of electronic music's possibilities — until her death in 2003.
The Oramics machine was trying to escape the tyranny of the note — to give composers direct, continuous, unquantised control over sound in time, in the same way a painter has continuous control over mark and surface.
— paraphrased from Daphne Oram, An Individual Note, 1972The machine and its logic
The Oramics machine worked through photoelectric cells reading the opacity of marks drawn on clear film. A dense, opaque mark blocked more light; a thin or faint mark allowed more through. The amount of light reaching the cell determined the voltage output, which in turn determined the parameter being controlled — frequency on one strip, amplitude on another, filter settings on a third. Multiple strips ran simultaneously, so a composer could draw different control curves for different parameters on different strips, all advancing in synchrony through the machine.
The spatial logic of the system was immediate and intuitive: drawing a line that moved upward on the pitch strip produced a rising pitch. A dense, heavy mark on the amplitude strip produced a loud sound. A curved, organic shape produced a curved, organic modulation. The act of drawing was compositional; the visual shape of the drawing was the sonic shape of the music. Oram called this "visualising sound" — and it remains one of the most direct translations of visual mark-making into sonic experience that electronic music has produced.
How this instrument works
This browser-based Oramics instrument follows the logic of the original machine as closely as a digital medium allows. You draw on four independent layers — pitch, amplitude, timbre, and modulation — and as the playhead moves across your drawing, the pixel values it reads are converted into audio parameters in real time. The pitch layer maps vertical position to frequency: marks drawn high produce high pitches, marks drawn low produce low ones. The amplitude layer reads pixel density to set volume. Timbre controls a low-pass filter cutoff, shaping brightness. Modulation adds vibrato and FM depth.
Drawing tools include freehand brush, straight line, sine curve, ellipse, and flat line — with live ghost previews during drag so you can see each shape before committing it. The zoom controls let you work in finer detail without affecting playback, which always reads the full canvas. The analog toggle adds subtle wow and flutter, modelling the mechanical imperfection of the original film transport. Try the randomise button to generate Oramics-style shapes automatically and hear how they sound before drawing your own.
If you're curious about working with sound, creativity, and the body in music therapy, feel free to get in touch via the contact page. Music experience is not required.
Further reading:
- An Individual Note of Music, Sound and Electronics — Daphne Oram (1972)
- Daphne Oram: An Individual Note — Shulman, ed. (2021)
- The Daphne Oram Collection at Goldsmiths, University of London