bret battey • bat hat media


Estuaries 3

video + sound (2018)


Estuaries 3 is the third part of my “Estuaries” audio-visual series, which can be viewed as a series of standalone works or ultimately as one large, multi-movement work. In Estuaries 3, my focus was on spaciousness—longer, more slowly-developing audio and visual gestures—and, at the climax and close, creating a counterpoint of both events and gestures.

The “Estuaries” series involves visualizing Nelder-Mead optimization, a process used by mathematicians to find solutions to complex, multi-variable problems that cannot be addressed by solving equations. We see the results of many such routines searching for the brightest points in a source image. The music was created with my Nodewebba software, which interlinks pattern generators to create complex emergent behaviours.

Technical Details

I created the visual material with a custom plug-in for Apple’s Motion 5 video effects software, working in 4k resolution. The connection between the sound and the image was created almost entirely manually — the relationship is not algorithmic.

Presentation Details

Original format: 4k 30 fps Quicktime Lossless, stereo (96kHz, 24 bit)


  • First Prize, Audiovisual, MADATAC X (2019), Madrid, Spain


  • Nov, 2018 - Animation Marathon, Athens, Greece
  • Nov, 2018 - Synchresis, Valencia, Spain
  • Nov, 2018 - Festival Ecosurbano, Technológico de Monterrey, Mexico
  • Oct, 2018 - CVM: Music for the Eyes: Visual Music, Sonoma Film Institute, Rohnert Park, CA, USA
  • Mar, 2018 - Seeing Sound Symposium, Bath Spa University
  • Mar, 2018 - Visible Bits, Audible Bytes, Phoenix Square, Leicester
  • Nov, 2017 - Sound-Image Colloquium, University of Greenwich, UK [Premiere]