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Sound

Sound

Laurel or Yanni?

Several years ago, the Internet went crazy over the color of a dress due to a visual illusion.  This week, an auditory illusion had many people asking the simple question of whether they heard 

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Enjoying the Sounds of Nashville

Reminiscing about your time in Nashville at AAA 2018? While there was much to do at the convention center, perhaps you also found a little time to explore the surrounding area? If so, you may have strolled across the John Seigenthaler Pedestrian Bridge and noticed music emanating from loudspeakers as you reached the zenith. 

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The Wall of Sound

The hearing aid tech industry may owe the Grateful Dead a long overdue thank you. In the 1960s and 1970s, live music performances were limited due to the PA systems of the time. Pumping all feeds from mics to amps in a stereo-like manner muddied sound that couldn’t travel far and led to a disconnect between performers and audience. Enter Augustus Owsely “Bear” Stanley III, an audio visionary who is given credit, among other things, as the primary architect and designer of The Wall of Sound.

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Music from and for Your Ears

Jacob Kirkegaard, sonic artist extraordinaire, hailed for his work inspired by natural phenomena and scientific explorations is making music out of the sounds your ears make. Originally trained at the Academy of Media Arts in Cologne, Germany, the Denmark-born artist has numerous critically acclaimed exhibitions and permanent installations under his belt.

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Machine Guns Underwater

Imagine you are on a fishing trip on the Colorado River Delta where the river flows into the Sea of Cortez by Baja California. You spot a section of water that seems to be churned up and muddy, almost muddy like someone was mixing cocoa powder to make hot chocolate. You get a bit closer, and all of a sudden you instinctively duck under the nearest deck chair. It sounds like someone is firing a machine gun at you. But the sound does not stop and only keeps getting louder.

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The Rhythm is Going to Get’Cha (o eh, o eh, o eh, oo aah)

Recent research out of McGill University has demonstrated that motor regions of the brain actually sharpen sound perception and this effect is increased when we move in rhythm with the sound.

The investigators examined participants as they listened to a complex tone sequence when the participant was still or tapped in rhythm with the target, all while magnetoencephalography (MEG) was recorded.  

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So What Did You Hear This Summer?

The lawn is starting to slow down. The kids are back in school. The leaves are threatening to turn. And the white slacks are put away. Summer must be behind us. Talk around the water cooler or around the block while walking pets is soon going to turn to speculation about the winter. Is it going to be a bad one? Is it going to be another one of those late winters?

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A New Relationship

How I craved you in my youth. The bigger your roar, the less I could resist you. The harder you shook everything that was supposed to be stationary, the closer I moved in. I needed to experience you up close and personal. You brought the style to a musical gathering. If my cheeks did not tremble in your pressure wave, I was not close enough to the speakers or the stage. 

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How Loud Is the Sun?

How loud would the sun be measured on Earth if its soundwaves could propagate through space? The answer might surprise you, as solar physicists estimate that the solar surface noise would be approximately 100dB by the time it reaches Earth! The enormity of the sun’s surface paired with its capability of generating of tens of thousands of watts of sound energy per meter makes the sun astronomically loud.

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Whispering Whales

Imagine traveling thousands of miles with your newborn in search of food. Now imagine doing this in almost complete darkness. This is exactly what humpback whales and their newborns do as a matter of routine. The journey to the food-rich Antarctic or Arctic waters from their tropical breeding grounds can be thousands of miles. The mother and calf swim in deep ocean waters where light is scarce and therefore vision is not very useful. The pair has to depend on sound to keep track of each other. But broadcasting their presence to killer whales can be fatal.  

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