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Intelligibility and modulation status of each auditory stimulation condition.
| Auditory speech | SCN | SSSN | |
|---|---|---|---|
| Intelligible | Yes | No | No |
| Modulated | Yes | Yes | No |
Auditory speech is both intelligible and modulated whereas steady speech-shaped noise (SSSN) is neither. Signal-correlated noise (SCN) is modulated but unintelligible.
