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Effects of signal processing on the measurement of maximum sound pressure levels

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Figure

Fig. 1. Typical architecture of a sound level meter.
Fig. 2. Software-based sound level meter – Filter output from a sinusoidal signalpassed through a 1 kHz one-third octave band filter for (a) time-to-gradient/amplitude matching, (b) time-to-peak matching and (c) time-to-settle matching.The grey line indicat
Fig. 5. Commercially-available sound level meters – filter and detector levelresponses for octave band filters using tone burst excitation where the sinusoidcorresponds to the band centre frequency
Fig. 6. Commercially-available sound level meters – filter and detector levelinterpretation of the references to colour in this figure legend, the reader is referredresponses for one-third octave band filters using tone burst excitation where thesinusoid corr
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