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Early reflection delay below 30 ms avoids echoes while adding spaciousness

Early reflection delay below 30 ms avoids echoes while adding spaciousness

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Sep 20, 20262 min read

Early reflection delay below 30 ms avoids echoes while adding spaciousness

Related

  • A time delay of a reflection imprints a comb of enhanced and suppressed frequencies (similarity 0.85)
  • Delays too short for echoes still audibly alter timbre through spectral combs (similarity 0.84)
  • Faster reaction times track louder sounds only at moderate to high levels (similarity 0.81)
  • Early reflections within 30-40 ms improve speech intelligibility (similarity 0.80)
  • A late complication forces the reader to reconsider the earlier resolution. (similarity 0.80)
  • Later echoes refine the spectrum into sharper peaks limited by the echo delay (similarity 0.80)
  • Early reflections must arrive within 20 ms or they are perceived as echoes. (similarity 0.80)
  • Delay loudspeakers should lag the acoustic signal by about 15 ms (similarity 0.80)
  • First reflections must arrive within 30 ms to avoid being heard as echoes (similarity 0.80)
  • Repeated exposure makes a second sentence intrinsically more intelligible than the first (similarity 0.79)
  • A parabolic mirror focusing sun also focuses a distant voice (similarity 0.79)
  • Information content is defined by surprise or improbability, not repetition (similarity 0.79)
  • Each open-end reflection filters out high frequencies until the fundamental remains (similarity 0.79)
  • Music listeners prefer reflections far stronger and later than small rooms provide. (similarity 0.79)
  • Sinn precedes meaning as the horizon of possibilities (similarity 0.78)

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  • Early reflection delay below 30 ms avoids echoes while adding spaciousness
  • Related

Backlinks

  • A time delay of a reflection imprints a comb of enhanced and suppressed frequencies
  • Complex high-Q objects multiply echoes while each weakens
  • Delay loudspeakers should lag the acoustic signal by about 15 ms
  • Delays too short for echoes still audibly alter timbre through spectral combs
  • Early reflections within 30-40 ms improve speech intelligibility
  • Faster reaction times track louder sounds only at moderate to high levels
  • First reflections must arrive within 30 ms to avoid being heard as echoes
  • In small rooms reflections arrive early and never form a diffuse field