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Unlock Crisp Audio: Understanding Decibels (dB) in Home Theater Systems
This article pertains to the measurement of sound. A decibel, designated by the letters dB, is a logarithmic scale of ...
Simon Fraser University5y
PERCEIVED NOISE LEVEL (PNL)
The scale has been adopted by the International Standards Organization for international use. Contours of perceived noisiness (from ISO recommendation R507, 1966). Ref.: K.D. Kryter, "The Meaning and ...
BBC3y
Sound waves, amplitude and frequency
Sound levels are measured on a scale known as the decibel \(dB\) scale. The higher the number the greater is the sound level. Too much noise can damage hearing. Exposure to 90 decibel sound levels ...
TechSpot1y
Here's the story behind it
The decibel (dB) scale is logarithmic ... and a computer producing 40dB of noise would be approximately four times louder than one generating 20dB. A PC emitting only 20dB of noise would be ...
Simon Fraser University6y
SOUND LEVEL METER
An instrument for measuring the level of sound pressure in DECIBELs. Such measurements are called sound level readings. See: SOUND LEVEL. Sound level meters usually ...