EWA TRĘBACZ [read like: Eva Trembatch]

ERRAI - Immersive Audiovisual Space

(2009)

for soprano, French horn, and audiovisual immersive media

PREMIERE

September 19, 2009

52nd International Festival of Contemporary Music

WARSAW AUTUMN 2009

Extra-High Voltage Hall, Institute of Power Engineering

Warsaw, Poland 

 

Ewa Trębacz, Ambisonic soundtrack and stereoscopic animation

Robert Sowa,  integration of visual spaces and lighting design

Anna Niedźwiedź, soprano

Josiah Boothby, French horn

Joseph Anderson, Ambisonic recording of the concert

ERRAI is an audiovisual immersive composition by Ewa Trębacz (3D sound and video), created in collaboration with Anna Niedźwiedź (soprano), Josiah Boothby (French horn), and Robert Sowa (light animation). It combines live performance with a pre-recorded Ambisonic soundscape, stereoscopic video projection, and live light animation.

 

ERRAI is based on encounters of spaces and encounters of artistic personalities, where the entire physical and perceptual space, including the audience, is considered the resonance box of a single instrument. Selected immersive technologies are combined together in an attempt to challenge our perception of the real and the imaginary.

 


AUDIO. The process of creating the audio layers started with a series of field recording sessions realized in full surround using Soundfield ST-250 and ST-350 Ambisonic micophones.  The locations were chosen for their unique acoustic properties. The musicians, Anna Niedźwiedź and Josiah Boothby, were directed to explore the acoustic and artistic potential of these spaces by improvising short phrases and responding to each other, and the spaces around them. The live performance during the concert then creates a response, traveling through layers of memory with a reference to here and now.  

 

Glissando 16/2010: The Ambisonic Technique. By Joseph Anderson.


VIDEO. The stereoscopic video layer, created by Ewa Trębacz, explores a full spectrum of continuous change of perceived depth over time - a phenomenon not available through a direct experience in the real world. It is being referred to as depth modulation. Layers of images evolve, creating images from true stereoscopic through a flat 2D to pseudostereoscopic images, while the dynamics of change varies between layers. At times the only perceivable movement is an expansion or contraction of a space, at other times each of the layers moves and evolves at a different pace.

 

Trębacz, Ewa. "Depth Modulation: Composing Motion in Immersive Audiovisual Spaces". Organised Sound 17.2 (2012): 156-162. Print.

 


LIGHTING. Light animation, designed by Polish artist Robert Sowa, was used to construct an immersive 3D space, stretching between the virtual 3D space created by the stereoscopic video and the real world. It encloses the audience creating continuity between the physical space and the virtual 3D space.

At times, lighting interacts directly with the 3D projection, with spot lights pointed directly at the projection screen creating an independent layer in a 3D space. After the 3D projection is over, the viewer remains immersed. The light descends from above the projection screen through it to the bottom of the hall, finally releasing the audience from this constructed space.


SPACES COMPETE.  While the sound fills the entire physical space, and even extends it, the visual layers focus the visual perception at certain moments, events, and selected parts of the time-space. Spaces overlap. Sound and imagery compete for audience attention demanding at times an extreme focus and willingness to stretch the borders of perception.


The premiere of Errai during the 52nd International Festival of Contemporary Music "Warsaw Autumn" was supported by Mid Atlantic Arts Foundation through USArtists International in partnership with the National Endowment for the Arts, the Andrew W. Mellon Foundation and the Trust for Mutual Understanding.

 


 

With special thanks to: 

Digital Arts and Experimental Media (DXARTS), University of Washington

Centrum, Port Townsend, Washington

Christopher Shainin and Washington Composers Forum, for their assitance with grant application

Mark Haslam, for his on-going support for my projects and his assistance in recording sessions

Nick Powers for his assistance in the recording session at Fort Worden Cistern


 

Recording at St.James Cathedral in Seattle and inside the Fort Worden Cistern:

 

ERRAI at Warsaw Autumn 2009:


Performances and Events

 

March 29, 2018 Fixed media version of ERRAI presented at the 2018 national conference of the Society for Electro-Acoustic Music in the United States (SEAMUS), held at the University of Oregon School of Music and Dance in Eugene, Oregon.
May 25, 2017

Alumni Alchemy: University of Washington Composers and Guests, Wayward Music Series, Chapel Performance Space at Good Shepherd Center in Seattle

Maria Männistö, soprano 
Josiah Boothby, French horn 

July 19, 2012

ERRAI featured in Organized Sound 17.2 (2012)

Trębacz, Ewa. "Depth Modulation: Composing Motion in Immersive Audiovisual Spaces". Organised Sound 17.2 (2012): 156-162. Print.

August 26-27, 2011 Ewa Trębacz presented "Depth Modulation: Visual Music in Immersive Media Environment", a talk based on ERRAI at the Understanding Visual Music conference at Concordia University in Montreal.
September 19, 2009

Premiere at the 52nd International Contemporary Music Festival "Warsaw Autumn", Warsaw, Poland. 

Ewa Trębacz, Ambisonic sound and stereoscopic video
Robert Sowa, lighting design
Anna Niedźwiedź, soprano 
Josiah Boothby, French horn