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Eoin Callery: Sea Shanty. Over.

Date: 
Mon, 09/20/2021 (All day) - Wed, 12/01/2021 (All day)
Location: 
CCRMA WAVE (Lobby)
Event Type: 
Other
CCRMA WAVE (Wall for AudioVisual Expression) presents Sea Shanty. Over. by Eoin Callery.

The exhibition will run between September 20 - November 30 in the CCRMA Lobby. Our building is open only to Stanford affiliates weekdays during regular business hours (9am-5pm).



Sea Shanty. Over. (2020)
binaural sound and video
18' loop

An improvisation on materials consisting of reverberated found sounds is performed and mixed in real time. The reverberations are created by impulse response measurements taken from the sounds of sea waves crashing against the shoreline rocks beside Hook Head Lighthouse in Co. Wexford, Ireland. These reverberations create a kind of water-based virtual acoustic soundscape. The video for the work is created from an analogous multistage filtering process.

Some other technical notes:

On occasion, the reverberations are allowed to go into feedback. The feedback frequencies produced are a product of how the inputs from the improvisation are articulated/filtered by the acoustic properties of the various wave crashes. Several copies of this improvisation are then placed at various points in a third-order Ambisonics space. The phases of the outputs from each of these Ambisonics points—the 16 outputs of each channel—are randomly inverted back and forth creating spatial distortions. This is then rendered into binaural sound.

Thanks to Megan Jurek for the Ambisonics phase flipping plugin.

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