Akustik terimler, ses fiziği, ölçüm birimleri ve işitme sağlığı üzerine derinlemesine, kaynak niteliğinde rehberler.

What Is Leq? Equivalent Continuous Sound Level Leq (equivalent continuous sound level) is a single decibel value that represents the constant, steady-state sound level…

What Is Sound Pressure Level (SPL)? Sound pressure level (SPL) is a logarithmic measure, expressed in decibels (dB), of the ratio between a measured…

Sound Power vs Sound Pressure: What’s the Difference? Sound power vs sound pressure is a comparison between two related but fundamentally different acoustic quantities:…

dB(A) vs dB(C) vs dB(Z): Frequency Weighting Explained dB(A) vs dB(C) vs dB(Z) is a comparison of the three standardized frequency-weighting curves that sound…

Decibel Levels of Everyday Sounds (Chart) A decibel chart is a reference table that ranks common, everyday sounds — from the faintest audible whisper…

What Is a Decibel (dB)? The Logarithmic Scale Explained A decibel (dB) is a logarithmic unit used to express the ratio between two values…

What Is Ultrasound? (Above 20 kHz) Ultrasound is sound that has a frequency greater than 20,000 hertz (20 kHz), the approximate upper limit of…

What Is Infrasound? (Below 20 Hz) Infrasound is a class of sound wave whose frequency falls below approximately 20 hertz (Hz) — the generally…

Longitudinal vs Transverse Waves: What’s the Difference? Longitudinal vs transverse waves is a comparison between the two fundamental categories of mechanical wave motion, classified…

What Is the Doppler Effect? The Doppler effect is a change in the observed frequency of a wave that occurs whenever the source of…