Sound Level Converter

Convert between different sound level units including decibels, bels, and nepers.

ready

$ convert --from [unit] --to [unit] --value [number]

--from From

--to To

formulas.ts

// Common Sound Level Converter Formulas

1const1 bel = 10 decibels

2const1 neper ≈ 8.686 decibels

3constdB = 10 log₁₀(P₂/P₁)

references.json

// Common Sound Level Converter References

{

"Whisper":"20-30 dB",

"Normal Conversation":"60-70 dB",

"City Traffic":"70-85 dB",

"Rock Concert":"100-120 dB",

"Jet Engine":"130-150 dB"

}

README.md

## What is Sound Level Conversion?

Sound level measurements use logarithmic scales to match human hearing perception. Decibels are standard for noise measurement, hearing safety, and audio engineering. Our converter handles the main units used in acoustics.

units.ts

// Common Sound Level Units Explained

export const Decibel (dB)

// The standard unit for sound levels. 0 dB is the threshold of hearing; 130 dB is the threshold of pain. Every 10 dB increase sounds roughly twice as loud.

export const Bel (B)

// Original logarithmic unit. 1 bel = 10 decibels. Named after Alexander Graham Bell. Rarely used directly.

export const Neper (Np)

// Natural logarithm-based unit used in some engineering applications. 1 Np ≈ 8.686 dB.

When to Use This Converter

Our sound level converter is valuable for acoustical engineers measuring noise, occupational health professionals assessing workplace safety, audio engineers calibrating systems, and anyone working with sound measurements.

FAQ.md

## Frequently Asked Questions

01 ### Q: Why use a logarithmic scale for sound?

/**

Human ears perceive sound intensity logarithmically. A 10 dB increase (10× power) sounds about twice as loud. This matches our perception better than linear scales.

02 ### Q: What sound levels are dangerous?

/**

Prolonged exposure above 85 dB can cause hearing damage. At 100 dB, damage can occur in 15 minutes. At 120 dB, pain and immediate damage can occur.