Roughness from harmonics requires fundamental frequencies below 100 Hz

Evidence

Roughness (Daniel and Weber, 1997; Fastl and Zwicker, 2007) is a psychoacoustic quantity which is caused by relatively fast amplitude modulations (15–300 Hz) that take place for stimuli within the range of a critical band. For example, narrowband noise always sounds slightly rough, since there are random amplitude fluctuations in it. β€” Ville Pulkki, Matti Karjalainen, Communication Acoustics- An…, 1237 (#expands, via linked claim)

Categorization

  • XREF: connects to: Harmonics are unresolved when critical bandwidth exceeds harmonic spacing.; Fast amplitude modulations within a critical band produce roughness perception β€” Ville Pulkki, Matti Karjalainen, Communication Acoustics- An…, 1237; Critical band bandwidths grow from 100 Hz to over 2 kHz with frequency

Broader Connections