Stefan Kiessling – organist
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Noise Calculations

Noise Calculations

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This calculator focuses on the noise that appears in the audio signal chain. The various noises sum up to a resulting noise in the final audio. Depending on the situation some noises have almost no influence on the result. For instance in most cases the preamp noise does not increase the noise sum, as the room noise and microphone noise is much higher.
All dB values should refer to the A-weighted value.

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Show explanation of Pa, V, dB, dBu, dBV, dB FS…

Sound Source

Min and max sound pressure level emitted by this sound source, measured at a distance of  m.
min: dB SPL  max: dB SPL
Distance to sound:
Room noise:
Sensivity: mV/Pa
Eqv. Noise: dB SPL
max. SPL: dB SPL
Preset :
Noise (EIN):
Preset :
Max. Input:
Dynamic Range:
Resolution: bit
Preset :
Noise reduction
Dynamic Range: dB
Reference Level @0dBFS: dBu
Preset :
Active Monitor
Input gain control: dBu
Input level for 100 dB SPL output in 1 m distance: dBu
Noise in 1 m distance: dB SPL
Preset :
Distance to ear:
Noise in the
listening room:
Signal is clipping.
Please lower the preamp gain.
Signal is clipping.
Please lower the fader.
Sound is too loud for the microphone.
Please increase the distance.

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