Frequency separation between two tones systematically shifts fusion, roughness, then resolution

Related

• Low-frequency tones become relatively louder as level increases. (similarity 0.86)
• Two pure tones fuse into a single rough tone below the critical bandwidth. (similarity 0.85)
• Dissonance depends on proportional separation falling inside the critical bandwidth, not absolute frequency difference (similarity 0.83)
• Perception of two tones progresses from beats to roughness to smoothness (similarity 0.83)
• A strictly periodic tone can still be perceived as two distinct notes (similarity 0.83)
• Raising a tone’s level lowers low-frequency pitch but raises high-frequency pitch (similarity 0.83)
• Inserting a temporal gap can change a sound’s spectrum, confounding gap measures (similarity 0.82)
• Beats, roughness, and separation emerge at different frequency differences (similarity 0.82)
• Equal temperament makes combination tones slightly out of tune (similarity 0.81)
• Masked-threshold growth for tones deviates sharply from Weber’s law at high frequencies (similarity 0.81)
• Medium-separated tones add by intensity once the ear stops tracking envelope (similarity 0.81)
• Roughness grows faster with modulation depth for tones than for noise (similarity 0.81)
• Widely separated tones add by loudness, not pressure or intensity (similarity 0.81)
• Musical scales universally favor intervals with small integer frequency ratios (similarity 0.80)
• Roughness between note partials determines perceived musical dissonance (similarity 0.80)