"Everyday Measurements" Column
The "Everyday Measurements" column takes up topics related to "sound" and "vibration" that are all around us, and explains the phenomena and provides simple explanations through a chat-style conversation between Otokun and his father. We hope that this "Everyday Measurements" column will help answer questions and provide clues to solving problems that arise in your daily life.
"Everyday Measurements" Column
Oto-kun is a first-year junior high school student, and his father is an engineer who works for a manufacturer and is involved in the measurement and control of sound and vibration.
Our first topic is noise in apartment buildings, a very familiar issue. Let's see what we'll discuss...
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Noise in apartment buildings, Part 1: Impact noise
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Sounds in apartment buildings, Part 2: Airborne sound and structure-borne sound
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Noise in apartment buildings, part 3: Sound insulation of window sashes
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Frequency masking
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Time masking
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Analog and Digital
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Sound diffraction
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Doppler effect
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Perfect pitch
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The acoustics of the hall
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Sound design
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Pascals and decibels
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octave
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Equal temperament and overtones
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Cocktail party phenomenon
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Crying Dragon
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fluctuating sound
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Direction of sound
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Binaural effect
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Soundscape
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Sound of a hybrid car
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Sound and the Brain
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Mosquito tone
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Neighbor noise
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Sounds of insects
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station sound signs
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Sound hum
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Difference tone
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Refraction of sound and waves
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Whispering Corridor
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Speed of sound
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Earthquake waves
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Sound volume
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Product noise reduction and sound design
This article, "Everyday Measurements," was written by Koji Ishida (Director of Sound One Co., Ltd. / Doctor of Engineering).