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.1 Chapter one (under edit)


My research focuses on what possibilities sonology & impulse response can offer for the development of sculptures, and how they can give a different awareness of places and spaces. My sculptures will give the viewer an object to look at. Through this sculpture a different awareness of a space is created.
Impulse response.
The idea behind an Impulse Response (IR for short) is that a frequency sweep is played in a certain space. A frequency sweep is a sweep at a constant decibel level ranging from low frequencies to high frequencies. With using this method we are sure that every possible frequency is played in that space and it will give us a clear dataset of the reflective properties of that space.
An example if this method is the famous experiment I’m sitting in a room (1969) by composer Alvin Lucier. By recording a sentence spoken by Lucier and playing it back multiple times within a room. Lucier captured the acoustic properties in that room like an IR. After playing back and recording this sentence multiple times a garbled recording is left with vague sounds that contain only frequencies that reflect the best within that room.
My IR setup works the same but is only played once. The frequency sweep is played back in a space and is recorded through a microphone. The recording is put through a convolution algorithm where the acoustic data is captured and calculated. What happens through this process is that the original sound is “deducted” from the recorded sound, what are left is the frequencies that amplify or extinguish themselves within that particular space. The IR method has many appliances. In my own practice I use the IR method to give certain sound or dialogue a reverberant character. Imagine a sound score that consist of sounds recorded in “dry” rooms that have no reflection. These sounds are like blank canvases that can be enhanced by applying a reverb process. These reverbs that I use are all produced through IR processes. These reverb characteristics can put “dry” dialogue in a car “environment” through the use of impulse responses.
The aim within my project lies in the experience of the viewer. The idea is that a viewer experiences a certain space in a different then normal way. The impulse technique helps in the measurement of a certain space.
The information that I get from the IR measurement is transformed in a physical object. For an audio specialist the wave shape can be deducted from the sculpture.
With this information a shape is deducted from raising and falling frequencies, just like in a statics graph. The line represents rising and falling frequencies; this line is then rotated around its own axis to create a 360-degree object. This object is the most important outcome of the measurement, and is therefore the representable image of the space the measurement was take in.
The Object.
This object derived from the precise measurement is now the focus of the project. This object should have to properties of explaining itself with little context and still be objective to the viewer. The sculpture that came out of this research is quite a “classic” sculpture. Most comparable with artist such as Starck and [undetermined]

Latest revision as of 10:32, 8 September 2016