BMLDs grow only slightly with masker density level and peak at intermediate bandwidths
Evidence
It seems that the BMLD increases only slightly as a function of the density level of the masker. BMLDs seem to reach larger values for a bandwidth of 31.6 Hz. Similar effects, although smaller in value, have been found for centre frequencies and test-tone frequencies of 800 Hz. — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 1653
Categorization
Category: Factual Claims
Related
- Reduced BMLD stems from masking effects, not from signal frequency or masker level (similarity 0.89)
- BMLD magnitude drops sharply when masker and signal share no frequency components (similarity 0.87)
- Critical bandwidth stays constant with masker level up to about 50 dB. (similarity 0.85)
- The BMLD arises from subjects using channels where the masker’s interaural effect is reduced (similarity 0.83)
- Beyond threshold, masker and signal levels rise one-for-one in decibels (similarity 0.83)
- Broadband maskers at low levels mask mid frequencies more than extremes. (similarity 0.83)
- Equal-level narrow-band maskers mask less at higher centre frequencies (similarity 0.82)
- Masked-threshold shape is nonlinear and level-dependent, steepening only at low masker levels. (similarity 0.81)
- Noise bandwidth below the critical band does not raise masked threshold. (similarity 0.81)
- Masked threshold rise toward high frequencies is about 100 dB per octave. (similarity 0.81)
- Masking pattern shapes differ by center frequency even at equal masker level (similarity 0.80)
- BMLDs are smaller for older listeners by 2 to 4 dB (similarity 0.80)
- Masked threshold rises once noise bandwidth exceeds the critical bandwidth (similarity 0.80)
- White noise masking of tones is linear but frequency-dependent above 500 Hz (similarity 0.80)
- Positive second derivative of masker drives low-frequency masking-period patterns (similarity 0.80)