Ray Charles was really good at snapping, said musical acoustician Kenneth Lindsay of Southern Oregon University in Ashland. Charles's snaps that open "It Don't Mean a Thing (If It Ain't Got That Swing)" are timed so well that he is never more than 5 milliseconds off the tight beat.
Lindsay studies the physics of the sound of swing music such as Ray Charles' hits, and in a talk last week at the Acoustical Society of America's joint meeting in Honolulu with the Acoustical Society of Japan, he explained how he created a visual analysis of the bouncy, energetic, even lopsided musical style of swing.
"If you're tapping your feet, that's swing," he said. To study swing, he looked at the popular dance music in all cultures -- a loose rhythmic style that's different from syncopation, in which a note is played when a pause is expected or an expected note isn't played. Swing, he said, relies on drama and emotion, and a micro-timing of pulses and meter that aren't found in other styles. Swing uses a lot of triplets, irregular notes that are 2/3 the length of a regular note. Swing is found in American jazz, Caribbean beats, Brazilian swingee, reggae, samba and many other musical styles around the world.
To really see what this universal but mysterious music looked like, Lindsay broke down famous swing songs like "Fever" and "Graceland" in various ways. He measured the song's notes and pulses very finely, to within 3-10 milliseconds per musical event, sometimes even fine-tuning the differences between the sounds to a half a millisecond. This way he could separate out instruments, voices and drums by their pitch and note. He created graphs that separated out the instruments. That's how he noticed Ray Charles' incredibly tight snapping.
Martha Heil | EurekAlert!
Significantly more productivity in USP lasers
06.12.2016 | Fraunhofer-Institut für Lasertechnik ILT
Shape matters when light meets atom
05.12.2016 | Centre for Quantum Technologies at the National University of Singapore
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
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