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Conversion between phon and sone loudness scales. Source: Timoney, J., Lysaght, T., Schoenwiesner, M., & MacManus, L. (2004). Implementing loudness models in matlab.
phon2sone(phon)sone2phon(sone)
sone2phon(sone)
loudness level, phon (vectorized)
loudness in sones (vectorized)
phon = seq(0, 120, 2) sone = soundgen:::phon2sone(phon) plot(phon, sone, type = 'b') plot(phon, log2(sone), type = 'b') phon2 = soundgen:::sone2phon(sone) plot(phon, phon2); abline(0, 1)
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