residual sound

residual sound

The composite sound from many sources and many directions (near and far) remaining when all uniquely identifiable discrete sound sources are eliminated.
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References in periodicals archive ?
Three sites were chosen that met the qualifications just discussed, reflected different environmental conditions, and conformed to the average residual sound level of less than 44 dBA.
The average minimal residual sound level for "residential or urban collector" roadways in the area in which the study was conducted was 44 dBA (range 37 to 49.5), the average sound level was 49 dBA (range 45.5 to 53) in Annapolis, and the average sound level was 66 dBA (63.5 to 69) in Atlanta.
more specifically, the diagnosis should establish: the residual sound levels and vibrations intended to quantify the impact of the various neighboring railway infrastructures and the isolation requirements of the right of way of the operation vis--vis the existing installations ( occupied site).