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Threshold is commonly set in decibels (dBFS for digital compressors and dBu for hardware compressors), [8] where a lower threshold (e.g. −60 dB) means a larger portion of the signal is treated. When the signal level is below the threshold, no processing is performed and the input signal is passed, unmodified, to the output.
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Comparison of optimization software; Comparison of OS emulation or virtualization apps on Android; Comparison of platforms for software agents; Comparison of Prolog implementations; Comparison of subtitle editors; Comparison of text editors; Comparison of time-tracking software; Comparison of computer-aided design software; Comparison of ...
Traditional measures of suppressor noise reduction have focused on the change in the peak sound pressure level between suppressed and unsuppressed conditions. Because of the MIL-STD 1474D, the ability to reduce the suppressed level to below 140 dB peak sound pressure level (dB pSPL) was the goal for firearm suppressor manufacturers.
For instance, the maximum admissible overall sound power level (OASPL) for payload integrity is approximately 145 db. [1] Sound is dissipated by huge volumes of water distributed across the launch pad and launch platform during liftoff. [2] [3] Water-based acoustic suppression systems are common on launch pads.
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Sound exposure level (SEL) is a logarithmic measure of the sound exposure of a sound relative to a reference value. Sound exposure level, denoted L E and measured in dB , is defined by [ 1 ]