Short maskers yield significantly larger suppression estimates than long ones

Evidence

In all suppression conditions tested, there were significant differences at the p < 0.05 level between suppression estimates obtained with short and long combined maskers. There was a significant difference between low-side suppression estimates obtained with short [M = 7.49, SD = 5.34] and long combined maskers [M = 4.54, SD = 5.57] at the 10-dB SL signal level [t (9) = 2.94, p = 0.017] and between short [M = 14.33, SD = 9.33] and long combined maskers [M = 8.25, SD = 8.42] at the 50-dB SPL signal level [t (9) = 3.41, p = 0.008]. — Dijk, Pim van, Physiology, Psychoacoustics and…, 940

A paired-samples t-test was conducted to compare suppression estimates obtained with short and long combined maskers. In all suppression conditions tested, there were significant differences at the p < 0.05 level between suppression estimates obtained with short and long combined maskers. … This suggests that suppression estimates were significantly greater when measured with a short combined masker. — Dijk, Pim van, Physiology, Psychoacoustics and…, 957

A paired-samples t-test was conducted to compare suppression estimates obtained with short and long combined maskers. In all suppression conditions tested, there were significant differences at the p < 0.05 level between suppression estimates obtained with short and long combined maskers. There was a significant difference between low-side suppression estimates obtained with short [M = 7.49, SD = 5.34] and long combined maskers [M = 4.54, SD = 5.57] at the 10-dB SL signal level [t (9) = 2.94, p = 0.017] and between short [M = 14.33, SD = 9.33] and long combined maskers [M = 8.25, SD = 8.42] at the 50-dB SPL signal level [t (9) = 3.41, p = 0.008]. … This suggests that suppression estimates were significantly greater when measured with a short combined masker. — Dijk, Pim van, Physiology, Psychoacoustics and…, 949

Also, with the long combined masker, some older adults did not show high-side suppression, and some did not show low-side suppression. By using short combined maskers with individually-selected suppressor levels, accurate measurements of suppression can be achieved. — Dijk, Pim van, Physiology, Psychoacoustics and…, 959

Categorization

• corroborated: 5 independent passages support this claim — Dijk, Pim van, Physiology, Psychoacoustics and…, 940; Dijk, Pim van, Physiology, Psychoacoustics and…, 957; Dijk, Pim van, Physiology, Psychoacoustics and…, 949 (+1 more)
• XREF: connects to: Spontaneous emissions respond to suppressors with a time constant near 15 ms; Suppression is underestimated by maskers long enough to trigger the MOCR; Long suppressor durations elicit MOCR and may underestimate suppression (+2 more)

Broader Connections

• Broadband maskers overshoot-effect short tones but narrowband maskers do not #complicates (0.80) — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 512
• Measured suppression is underestimated when maskers trigger medial-olivocochlear gain reduction #complicates (0.75) — Dijk, Pim van, Physiology, Psychoacoustics and…, 959