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    NOISE LEVEL AT IMMISSION POINT (Multiple Point Sources)
noise distance calculator for many sources

    PROJECT DATA (Optional)

    Project
    Remarks
    Your ref Client
    Identification           Client's ref                  

    CALCULATION INPUT (Required)

    Source
     
    Noise Source Levels       explain difference between PWL and SPL
    For dimensions (distance to point source for SPL and co-ordinates) unit is
     
    Source Co-ordinates Sound Levels per Octave band
    Onselect PWL or SPL at distancexy 31.5631252505001k2k4k8kHz
    1  PWL SPL at           dB  
    2  PWL SPL at      dB  
    3  PWL SPL at      dB  
    4  PWL SPL at      dB  
    5  PWL SPL at      dB  
    6  PWL SPL at      dB  
    7  PWL SPL at      dB  
    8  PWL SPL at      dB  
    9  PWL SPL at      dB  
    10 PWL SPL at      dB  
    11 PWL SPL at      dB  
     
    Immission point (listener's location) and Background noise (Sound Pressure Level)
    Onxy 31.5631252505001k2k4k8kHz
       Sound Pressure Level dB  
     
    Transmission pathAtmospherical absorption
    sphericalTake into account
    hemi-sphericalNeglect
    quarter-spherical
     
     
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