MED-EL Me151 Series, User Manual

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SONNET 2 audio processor
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The concept of EAS
Cochlear implant users with low frequency hearing benefit from additional acoustic
stimulation in the implanted ear as has been demonstrated in various scientific studies.
This combination of cochlear implant and acoustic stimulation is known as combined
electric‑acoustic stimulation, or EAS. The term electric stimulation refers to the cochlear
implant, while acoustic stimulation refers to the acoustic amplification unit.
Especially in listening situations with background noise (background conversations,
street noise etc.), EAS can greatly improve speech understanding. Users of combined
electric‑acoustic stimulation have also reported that sound quality and music percep‑
tion are improved compared to cochlear implant use alone.
Studies have also shown that it may take time for EAS use to show its full bene‑
fit. If you are an EAS user and do not experience an immediate benefit, do not be
discouraged.