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Critical band bandwidths grow from 100 Hz to over 2 kHz with frequency

Critical band bandwidths grow from 100 Hz to over 2 kHz with frequency

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Sep 20, 20262 min read

Critical band bandwidths grow from 100 Hz to over 2 kHz with frequency

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  • Auditory critical bandwidth stays constant at 100 Hz below 500 Hz then rises proportionally. (similarity 0.84)
  • Critical bandwidth varies a hundredfold across the audible range. (similarity 0.84)
  • Filtering a signal to narrow its bandwidth necessarily spreads it in time. (similarity 0.83)
  • Critical bandwidth marks the point where noise loudness begins to grow with bandwidth (similarity 0.83)
  • A filter’s time response is set by its bandwidth, not its center frequency (similarity 0.83)
  • Critical bandwidth at 2 kHz center frequency is 300 hertz (similarity 0.82)
  • Active noise cancellation dominates below 1 kHz while passive isolation takes over above it (similarity 0.81)
  • Dissonance depends on proportional separation falling inside the critical bandwidth, not absolute frequency difference (similarity 0.81)
  • Critical bandwidth rises above 500 Hz, matching the 5-Bark reference point. (similarity 0.81)
  • Frequency, wavelength, and velocity determine one another (similarity 0.80)
  • Critical bandwidth stays constant near 100 Hz up to 500 Hz then grows (similarity 0.80)
  • Room modal bandwidths depend on decay time, not frequency (similarity 0.80)
  • Critical bandwidth at 1 kHz is 160 Hz and governs loudness behavior (similarity 0.80)
  • Standing waves occur at all multiples of the lowest resonant frequency (similarity 0.79)
  • Each open-end reflection filters out high frequencies until the fundamental remains (similarity 0.79)

✉️
  • Critical band bandwidths grow from 100 Hz to over 2 kHz with frequency
  • Related

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  • Active noise cancellation dominates below 1 kHz while passive isolation takes over above it
  • Critical bandwidth at 2 kHz center frequency is 300 hertz
  • Critical bandwidth rises above 500 Hz, matching the 5-Bark reference point.
  • Critical-band rate is measured in Barks, ranging 0 to 24 across the audible spectrum.
  • Dissonance depends on proportional separation falling inside the critical bandwidth, not absolute frequency difference
  • Filtering a signal to narrow its bandwidth necessarily spreads it in time.
  • Fletcher defined critical bands as noise regions whose power equals a just-masked tone's
  • Frequency, wavelength, and velocity determine one another
  • Harmonics are unresolved when critical bandwidth exceeds harmonic spacing.
  • Open pipe ends reflect low frequencies but pass high frequencies
  • Roughness from harmonics requires fundamental frequencies below 100 Hz
  • Standing waves occur at all multiples of the lowest resonant frequency
  • The critical bandwidth at 1 kHz measures about 150 Hz via phase detectability.
  • The critical-band-rate scale mirrors hearing better than raw frequency