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Family S · Synthetic · Experiment 4B

TEST GAP ANOMALY

How deep does a brief dip in a continuous noise have to be before you notice it?

TEST GAP ANOMALY · RUN

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Test methods

METHOD ANOMALY

What a participant does

A band of noise plays continuously. At irregular moments its level briefly drops for one of several durations. You press one button when that dip is actually heard.

The headline number

Attenuation depth needed for a dip to stand out, against dip duration

Unit
dB of attenuation
Measured against
the continuous carrier the dip is cut into, in the same session

Analysis

Estimators, uncertainty, and result interpretation are documented under Results and analysis.

Practicalities

Session
10 min
Course context
Chapter 5