How faint can a sound be before you stop hearing it?
A barely audible sound may be heard on one attempt and missed on the next. A hearing threshold therefore depends on a task and a chosen level of performance, not a single universal border between sound and silence.
Questions you could explore
- What changes when a listener must choose which of two intervals contained the sound?
- How many repeated answers would make a threshold convincing?
Start reading
- David Heeger / New York UniversityPerception Lecture Notes: Psychophysics
Explains how experimental tasks and response choices shape a measured sensory threshold.
Ready to try your ideas aloud?
Your topic carries over. Record up to 2½ minutes, depending on your plan.