How Everyone can hear at least 30 kHz via Square Waves

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How Everyone can hear at least 30 kHz via Square Waves Amplify a 10 kHz sine wave. Switch sine to square wave. Stark difference is immediate. Sine-wave fundamental remains. Added are odd-order harmonics of fundamental, first and loudest of which is 30 kHz. The change from sine to square is accomplished by adding onto the … Read more

An examination of how power supply design affects audio circuitry and ultimately sound quality

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An examination of how power supply design affects audio circuitry and ultimately sound quality Great. I’ll conduct an in-depth investigation into how power supply design affects audio circuitry and ultimately sound quality, considering both objective performance and subjective perception. This will include foundational and recent research, and apply to all categories of audio equipment, from … Read more

Chicago’s last manually operated public elevators near their last ride

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Chicago’s last manually operated public elevators near their last ride The Fine Arts Building on South Michigan Avenue is a living museum where art is displayed and made behind every door on every floor. It’s home to the Studebaker Theater, which began as a showroom for the company’s horse-drawn carriages, and it’s where W.W. Denslow … Read more

Capacitors vs Inductors

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Capacitors vs Inductors Magnetic vs Electric fields. Capacitors apply electric fields. Inductors apply magnetic fields. The article “Capacitors vs Inductors” from soundQuality.org, published on February 16, 2025, delves into the fundamental differences between capacitors and inductors, focusing on their roles in electrical and audio engineering. Energy Storage Mechanisms Capacitors and inductors are both passive components … Read more

For next Billionaire Submerged Drowning in Tesla Manual Door Release Bullethole Repair Sound Deadening and More

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For next Billionaire Submerged Drowning in Tesla Manual Door Release Bullethole Repair Sound Deadening and More

How Noise Improves Computing and Digitized Audio

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How Noise Improves Computing and Digitized Audio

Having removed measures from direct human perception, They can now beguile by changing time, distance, weight — NIST and CERN and Fundamental Units and Measures — “There is a fight [over] time; they’re trying to change time” – Dr Astrid Stuckelberger

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NIST and CERN and Fundamental Units and Measures

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