A computer program is used to calculate loudness levels in order to determine the reproduction levles of loudspeakers during listening tests. The calculation results are compared with the results of listening tests. Pink noise and music, reproduced by various loudspeakers, are used as the stimuli. Subjective listening tests show that the A-weighting can result in misleading conclusions. The ISO loudness models appear to be the best technique for adjusting the interloudness levels of loudspeakers during listening tests.
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