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What does A-WTD stand for?

A-WTD stands for A-Weighted (sound)

This definition appears somewhat frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

Other Resources:
We have 3 other meanings of A-WTD in our Acronym Attic

Samples in periodicals archive:

Salt and Kaltenbach concluded that A-weighting wind turbine sound was not appropriate because A-weighted sounds present a misleading representation of whether the sound affects the human ear or if it is physiologically mediated by the outer hair cells (OHC).
2) The initial report (1) provided the maximum instantaneous A-weighted sound pressure level (Lmax Fast [dBA]) averaged for 2 recordings during single vuvuzela blasts at 4 distances from the bell of the vuvuzela.
We fix a commutative ring A and consider the category of A-weighted sets whose objects are pairs (X, f) where X is a finite set and f: X [right arrow] A is an arbitrary map called the weight of X.
5 The Army has stringent standards for defining noise hazardous environments,6 in which the limit for an 8-hour timeweighted average (TWA) for exposure to steady-state noise is 85 decibels (dB) using the A criterion to produce A-weighted sound pressure levels (dBA), whereas the Occupational Safety and Health Administration (OSHA) is less stringent defining permissible noise exposure for an 8-hour TWA at 90 dBA.