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Old 24th January 2020
  #3
Lives for gear
 

The term is probably "cross correlation" but as Earcatcher indicates it is related to expectation or what you know or remember about a sound already.

Some air traffic controllers can hear noisy radio speech in very low SNR transmissions and still find it intelligible because their brain "cross correlates" a known command or remembered waveform or signature with the noisy signal and can "dig it out".

Have a look at Cocktail party effect too.
https://en.wikipedia.org/wiki/Cocktail_party_effect

The late great Prof Charles Taylor from Cardiff Uni did a lot of work on starting transients in musical instruments and their importance in recognizing individual instruments in an orchestral tutti for example. The brain is very clever.

Last edited by David Spearritt; 24th January 2020 at 01:01 AM..