2.5.11 Speech intelligibility index (SII)
The Speech Intelligibility Index (SII) is a quality indicator of your hearing aid's f itting regarding the audibility it
can provide.
The SII calculation will show the SII value as a percentage against the curve tag of every completed
measurement f or REUR, REUG, REAR, REAG and REIG in the bottom right corner.
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Affinity/Equinox2.0 – Additional Information