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ANSI/ASA S1.42 2001 (R2011): Design Response of Weighting Networks for Acoustical Measurements

Rent Bruel & Kjaer 2270 Sound Level Meter and Vibration Analyzer for ANSI/ASA S1.42 2001 (R2011)
Bruel & Kjaer 2270
Sound Level Meter and Vibration Analyzer
Rent Bruel & Kjaer 2250 Class 1 Sound Level Meter for ANSI/ASA S1.42 2001 (R2011)
Bruel & Kjaer 2250
Class 1 Sound Level Meter
The ANSI/ASA S1.42 2001 (R2011) standard provides the design criteria for both the frequency-domain response (amplitude and phase) and time-domain response of the A-, B-, and C-weighting networks used in acoustically related measurements. The poles and zeros for each weighting network are given, along with equations for computing the amplitude and phase responses as functions of frequency and the impulse and step responses as functions of time. In the Appendix, similar information is provided for the D- and E-weighting networks.

The aim is to examine the design goal specifications of weighting networks for acoustical measurements. The scope is restricted to the design, or target, responses of weighting networks. Tolerances that belong in the instrument performance specifications are not included.


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