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Description

Broadband noise is a strain of noise music that centers on wide-spectrum, non-tonal sound masses that occupy most or all of the audible frequency range. Instead of melody or rhythm, it foregrounds texture, spectral density, and perceived loudness.

Artists generate full-band energy using white/pink/brown noise sources, mixer and amplifier feedback, radio static, and heavily saturated effects chains. The aesthetic goal is continuous, immersive sonic pressure in which discrete events are masked by a dense, evolving field of sound.

While it intersects with harsh noise, broadband noise is defined by its broad spectral spread and saturating presence, prioritizing timbral contour, dynamics, and textural change over structure in the traditional musical sense.


Sources: Spotify, Wikipedia, Discogs, Rate Your Music, MusicBrainz, and other online sources

History

Early antecedents (1960s–1970s)

Electronic and electroacoustic composers in the 1960s and 1970s (in studios across Japan, Europe, and the United States) normalized the musical use of noise generators, tape splicing, ring modulation, and feedback. Musique concrète and tape music introduced long, continuous bands of noise into concert works, setting a technical and aesthetic foundation for later noise practices that favored full-band spectra.

Emergence as a scene aesthetic (1980s)

In the 1980s, independent cassette networks and DIY performance circuits fostered a distinct noise culture. Japanese artists in particular pushed toward continuous, high-energy saturation, making wide-spectrum, non-tonal pressure a defining trait. This practice crystallized as an identifiable approach—what later listeners and catalogers recognized as broadband noise—characterized by full-range spectral flooding rather than narrowband feedback tones or rhythmic industrial patterns.

Expansion and codification (1990s)

The 1990s saw an explosion of releases, international tours, and tape/CD exchanges. Artists refined techniques for achieving stable yet dynamic full-band intensity—combining mixer feedback, pedals, contact mics, and radio interference. Zines and mail-order distros helped distinguish broadband-focused recordings from other noise strains (feedback-centric, PE/industrial-leaning, or drone-dominant), which informally codified the style within the broader noise taxonomy.

Digital era and global diffusion (2000s–present)

Affordable laptops, software noise generators, and high-headroom digital mastering expanded the palette, enabling precise spectral sculpting and extended-duration works. Live sets increasingly balanced safety and impact, using multiband compression and EQ to maintain broadband pressure without uncontrolled clipping. Today, broadband noise coexists with harsh noise wall, power electronics, and sound art, influencing festival programming, gallery installations, and underground tape cultures worldwide.

How to make a track in this genre

Sources and signal path
•   Start with wideband sources: white/pink noise generators (hardware or software), radio static, tape hiss, or mixer/amplifier feedback. •   Build a resilient signal chain: mixer with multiple aux sends, distortion/saturation pedals, overdrive preamps, and parallel effects loops to layer textures without collapsing to a single band.
Spectral design and dynamics
•   Shape the spectrum with broad-stroke EQ and multiband compression, ensuring energy across lows, mids, and highs so the sound reads as full-band rather than tone-focused. •   Ride gain stages intentionally. Use preamp drive for saturation “glue,” then limit at the end to control peaks while preserving continuous pressure.
Texture over pitch and rhythm
•   Avoid identifiable pitch centers and steady tempos; emphasize evolving timbre, density, and masking. Introduce subtle variations (filter sweeps, tremolo noise gates, cross-modulated feedback) to prevent stasis while maintaining immersion. •   Layer multiple noise sources—each occupying different spectral regions—to create a cohesive but complex field.
Form and performance
•   Structure pieces as arcs of intensity (e.g., gradual build to saturating plateau, then controlled release). Mark transitions via spectral shifts rather than harmonic changes. •   Live, prioritize stability of the feedback network. Test rooms at low volume first; adjust EQ to counter room nodes so the spectrum remains broad.
Recording and mastering
•   Capture headroom; avoid interstage clipping that narrows the spectrum unintentionally. Use parallel compression to increase density without losing transient micro-detail. •   Master with careful limiting and gentle broad EQ tilts (pink-leaning balances often feel more physical) while retaining the signature full-band wash.
Safety and ergonomics
•   Use hearing protection and manage stage volume. Broadband energy can be fatiguing—plan breaks or spectral thinning to preserve impact and listener safety.

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