Overtone

Amilia Onyx Hot -

It was a truly immersive experience, one that left the audience in awe. Amilia Onyx had outdone herself, creating a work of art that was not just visually stunning but also emotionally resonant. As she stood amidst the crowd, listening to the whispers of admiration and amazement, she knew that she had found her true calling.

Onyx, her surname, was a name that carried a certain mystique. It was a name that evoked images of darkness and mystery, but also of beauty and elegance. Amilia's friends often joked that her surname suited her perfectly, as she was a person of many contrasts - light and dark, sound and silence, creativity and precision. amilia onyx hot

The project, titled "Echoes in the Dark," was a series of installations that explored the relationship between light and shadow, sound and silence. Amilia's goal was to create a space that would challenge people's perceptions, a space that would make them think and feel. And as she worked tirelessly to bring her vision to life, she knew that she was on the verge of something special. It was a truly immersive experience, one that

Amilia Onyx was a name that echoed through the corridors of a prestigious art academy, known for nurturing some of the most talented and innovative artists in the world. The academy, nestled in the heart of a bustling city, was a place where creativity knew no bounds, and Amilia was one of its brightest stars. Onyx, her surname, was a name that carried

Amilia's sculptures towered above the crowd, their intricate details and textures seeming to shift and change as the light danced across them. The air was filled with the sound of whispers and echoes, a symphony of sound that seemed to come from nowhere and everywhere at the same time.

As she began to work on her latest project, Amilia found herself drawn to the warehouse's dark and gritty atmosphere. She started to experiment with different materials, combining stone and metal with found objects and recycled materials. Her sculptures began to take shape, and they were unlike anything she had ever created before.

Amilia was a young and ambitious artist, with a passion for sculpture that rivaled her love for music. Her days were often filled with the sound of chisels hitting stone and the melodies of her favorite composers. She found inspiration in the works of the great masters, from Michelangelo to Beethoven, and her own art was a reflection of her unique blend of visual and auditory creativity.

Examples

In synthesizer experiments you select the amplitudes and phases of the fundamental and 9 overtones to construct the beginning of a Fourier series. The sum is seen on a graphics display and the signal is available as sound card output.
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You can test the Helmholtz assumption that the relative phases of the overtones are irrelevant to hearing.

In analyser experiments you capture sound from the sound card or from a WAV file up to several seconds long, select the starting time of the time slice and analyse time and frequency responses. The example shows the spectrum of a piano playing a middle C (262 Hz). The non-harmonic overtones are clearly seen. (Due to the stiffness of the string, the frequencies of the partials are too high.)

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You may filter data with a digital filter and display spectrograms in color mode. This example shows the spectrogram taken from the word "harris" in the frequency range 0..10 kHz with a 4096-point-FFT every 2 ms (post processing). The formants of "i" and the high spectral components of "s" are clearly visible.
Sonogram
Short time spectral information may also be displayed in a 3-D representation, called "waterfall". The following example shows the waterfall spectrum of the same word "harris" as before. The red layer picks out the spectrum of "i" where the formants are visible again. The presentation may be rotated automatically or manually with scroll bars, in order to select the best "camera point".
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Download version 1.15, June 2009: OVERTONE.ZIP (1.55 MB)

Unpack in a new folder, read README.TXT and start OVERTONE.EXE
(Some firewalls or User Access Control (UAC) may block execution. Give OVERTONE the necessary permissions.
Make sure, that the sound device is not used by another application.)

For more information, send e-mail to address given in README.TXT


Unterrichtseinheit Analyse von Klangspektren von Alain Hauser (in German)


 
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