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Description

Graphical sound is an early electroacoustic technique and aesthetic in which audio is generated from drawings, stencils, or photographed shapes placed on optical film soundtracks. Instead of recording a vibrating source with a microphone, composers directly designed waveforms and spectra, then scanned them with optical readers to produce sound.

Emerging in the Soviet Union and Germany, practitioners treated sound as visible geometry: curves set the waveform, patterns set the spectrum, and motion through time created phrasing and rhythm. The result ranges from pure tones and microtonal glissandi to dense, noise-like textures—predating and foreshadowing later tape, electronic, and spectral practices.

History
Origins (late 1920s–1930s)

Graphical sound arose from film laboratories and avant-garde studios investigating optical sound-on-film. In the USSR, Arseny Avraamov pioneered "ornament sound" by hand-drawing periodic shapes on film to directly synthesize tones. Evgeny Sholpo’s Variophone system (Leningrad) used rotating discs with printed waveforms to build polyphony photographically. Nikolai Voinov and Boris Yankovsky developed "paper sound" workflows, cutting and photographing patterns to craft timbres and sequences.

In Germany, Rudolph Pfenninger’s "Tönende Handschrift" and Oskar Fischinger’s drawn-sound experiments showed that graphic ornament could become audible when printed into the optical soundtrack area. These experiments established a composer’s control over timbre, pitch, and envelope without microphones or traditional instruments.

Mid-century extensions (1940s–1960s)

The aesthetic and technique spread through animation and film studios. Norman McLaren at the National Film Board explored hand-drawn soundtrack strips for synchronized audiovisual works. In the UK, Daphne Oram later advanced drawn control with her Oramics system—painting control curves on film to shape sound parameters.

In the Soviet lineage, Yevgeny Murzin’s ANS synthesizer (1958) translated images on a glass score into sound via bands of light and photoresistors—an iconic continuation of the graphical-synthesis idea.

Legacy and impact

Graphical sound anticipated many core ideas of electroacoustic music: timbre-as-structure, microtonality, direct spectral design, and image–sound translation. Its methods influenced tape music, musique concrète, electroacoustic composition, sound art, and later spectral and glitch aesthetics. Modern software (e.g., spectrogram painting and image-to-sound tools) revives the approach, enabling contemporary composers to "draw" sound with high resolution while preserving the movement’s timbre-first philosophy.

How to make a track in this genre
Core concept

Think of sound as an image. You design the waveform or spectrum directly, then translate it into audio by scanning it across time. This prioritizes timbre, microtonality, and continuous gesture over traditional harmony and meter.

Historical (analog) method
•   Prepare clear film or paper strips sized for an optical soundtrack area. •   Draw or stencil repeating shapes (for pitched tones) and complex textures (for noise-like timbres). Smooth periodic curves yield stable pitches; irregular or dense textures yield noisy spectra. •   Create rhythm by spacing, repeating, or interrupting patterns; create phrasing by changing density, size, and brightness over time. •   Photograph/print the graphics onto the optical track and play back through an optical reader to audition and iterate.
Digital recreation
•   Use image-to-sound or spectrogram-synthesis tools (e.g., Virtual ANS, Photosounder, MetaSynth, Coagula, AudioPaint, or spectral editors). •   For waveform drawing, paint single-cycle shapes and scan them with wavetable or image-scan synthesis. For spectral drawing, paint partials, formants, and noise bands in a spectrogram view. •   Shape envelopes by vertically tapering intensity (amplitude) and horizontally stretching/compressing drawings (time). Use fades and masks for articulation. •   Employ microtonality by drawing continuous curves or precise grids; glissandi and inharmonic clusters are natural outcomes. •   Layer multiple images/tracks for polyphony. Slight detuning or offsetting layers creates chorusing and spatial depth; modulation patterns (grids, moiré) produce complex beating and rhythmic illusions.
Tips for style authenticity
•   Embrace timbral morphing and continuous pitch motion rather than chordal functional harmony. •   Favor geometric motifs (waves, lattices, ornaments) and explore the transition from pure tone to textured noise. •   Use modest dynamics but striking spectral motion; think "animated timbre" more than "melody + accompaniment". •   Consider audiovisual linkage: synchronize motion graphics with sonic results to echo the historical film context.
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