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Evaluation of the battery lifetime improvement with the HiRes Optima™ strategy in Harmony™ cochlear
implant users
Ajimsha K.M. , Mathias N.
Advanced Bionics, Bangalore, India, 2Advanced Bionics, Staefa, Switzerland
Intro: Together with the launch of its new sound processor, the Naída CI Q70 (Naída CI), Advanced Bionics
launched a new version of its fitting software, SoundWave 2.2. The latter offers the possibility to fit a new sound
processing strategy, HiRes Optima™. It is designed to optimize battery life while delivering the same great
performance as that of HiRes Fidelity 120™ with Advanced Bionics's unique current steering technology. This
new sound processing strategy may be used with the Naída CI, the Neptune™ or the Harmony™ processors.
The objective of this project is to evaluate the battery lifetime improvement when using the new sound
processing strategy, HiRes Optima.
Methods: This project is conducted in multiple centres in India. New cochlear implant users (children only) fitted
with a Harmony™ sound processor will use in a random order the HiRes 120 strategy and the new HiRes
Optima strategy. Parents will report the battery lifetime of the various battery options via a battery log.
Results: A previous study conducted in adults showed an average battery life improvement of 53%, ranging
from 25% to 109% for individual Harmony processors. Centres and subjects inclusions (30 subjects expected)
are still ongoing and the preliminary results from this evaluation will be presented.
Conclusion: This evaluation will confirm the previous study outcomes showing an improvement of the battery
lifetime when using the new HiRes Optima strategy.
Learning outcome: The HiRes Optima strategy is a new option for Advanced Bionics users which substantially
improves the battery lifetime and does not compromise speech performance as it was shown in a previous study
in adults.