White noise masked thresholds rise 10 dB per decade above 1 kHz

Evidence

Sound of a given frequency can block our ability to hear softer sounds at nearby frequencies, but distant frequencies are not affected. The threshold for detecting the softer sound is raised by the presence of a louder sound within the same critical bandwidth. Even if the softer sound is audible, it will not seem as loud as it would if played alone. Similarly, two tones that fall within the same critical bandwidth will appear to be less loud together than two tones of the same total energy that fall outside each others’ critical bandwidths. — Eric J. Heller, Why You Hear What You Hear- An…, 2009 (#expands, via linked claim)

Categorization

• corroborated: 2 independent passages support this claim
• XREF: connects to: Masked threshold of a tone by white noise is computable from critical-band level; Masked-threshold growth for tones deviates sharply from Weber’s law at high frequencies; Masked thresholds shift but modulation sensitivity recovers 20-30 dB above them (+1 more)

Related

• Masking acts within critical bandwidths, leaving distant-frequency sounds unaffected (similarity 0.89)
• Noise fluctuations within narrow critical bands raise the masking index (similarity 0.87)
• Masked threshold of a tone by white noise is computable from critical-band level (similarity 0.86)
• Large FM deviations escape narrow-band masking by drifting into unmasked frequency ranges (similarity 0.85)
• Critical bandwidth marks the perceptual shift from rough to smooth tone resolution (similarity 0.85)
• White noise masking of tones is linear but frequency-dependent above 500 Hz (similarity 0.85)
• Psychophysical tuning curves map masker level needed to just mask a fixed tone. (similarity 0.85)
• Auditory masking depends only on energy within a band surrounding the signal. (similarity 0.84)
• Threshold in quiet depends on total sound intensity within one critical band only (similarity 0.84)
• Masked threshold rises once noise bandwidth exceeds the critical bandwidth (similarity 0.84)
• Masking noise raises the loudness threshold and fades audible tones (similarity 0.84)
• Masked threshold rise toward high frequencies is about 100 dB per octave. (similarity 0.83)
• Masking by bandlimited noise depends only on masker energy within the critical band. (similarity 0.83)
• Increasing stimulus level broadens auditory filters and causes upward spread of masking (similarity 0.83)
• Only tones exceeding a level-dependent masked threshold are audible in noise (similarity 0.83)

Broader Connections

• Masked threshold of a tone by white noise is computable from critical-band level #expands (0.85)
• Masking acts within critical bandwidths, leaving distant-frequency sounds unaffected #expands (0.80) — Eric J. Heller, Why You Hear What You Hear- An…, 2009
• Masked-threshold growth for tones deviates sharply from Weber’s law at high frequencies #expands (0.75)
• Masked thresholds shift but modulation sensitivity recovers 20-30 dB above them #complicates (0.72)