Sound Converter
Vibration that propagates as an acoustic wave.
Converting...
Unit Information
Decibel (dB)
Definition: Logarithmic unit used to measure sound intensity.
History: Named after Alexander Graham Bell.
Current Use: The standard unit for measuring sound levels.
Bel (B)
Definition: Unit of sound intensity equal to 10 decibels.
History: Named after Alexander Graham Bell.
Current Use: Rarely used; the decibel is more common.
Neper (Np)
Definition: Logarithmic unit to express ratios (e.g., amplitude ratios).
History: Named after John Napier.
Current Use: Used in signal processing and telecommunications; less common than the decibel.
Did you know?
- The decibel measures sound intensity on a logarithmic scale.
- A whisper is about 30 dB, normal conversation about 60 dB.
- Sounds above 85 dB can cause hearing damage with prolonged exposure.