Family S · Synthetic · Experiment 4E
TEST AM FLUTTER
How deep does a brief wobble in loudness have to be before you catch it?
TEST AM FLUTTER · RUN
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Test methods
METHOD ANOMALY
What a participant does
A tone plays continuously. Short amplitude-modulation bursts are imposed at several rates. You press once when the tone actually flutters.
The headline number
Modulation depth needed for a flutter to be noticed, against flutter rate
- Unit
- % modulation
- Measured against
- nothing. A modulation depth is a ratio between the loud and quiet parts of one sound
Analysis
Estimators, uncertainty, and result interpretation are documented under Results and analysis.
Practicalities
- Session
- 10 min
- Course context
- Chapter 8