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["Monosonic" one canal digital implant]
C H Chouard1, J Genin, B Meyer
1Laboratoire d'Audio-Phono-Prothèse de l'Assistance Publique de Paris.
Summary
Researchers improved the Monomac single-channel cochlear implant speech coding strategy, developing the Monosonic digital emitter. This enhances speech intelligibility for cochlear implant users by allowing personalized frequency and stimulation programming.
Area of Science:
- Audiology
- Biomedical Engineering
- Speech Processing
Context:
- The efficacy gap between single-channel and multichannel cochlear implants remains a challenge.
- The Monomac, a single-channel constant current system designed in 1987, required speech coding strategy improvements.
Purpose:
- To enhance the speech coding strategy of the Monomac single-channel cochlear implant.
- To reduce the performance difference between single-channel and multichannel cochlear implant systems.
Summary:
- A research computerized system was used to test various speech coding strategies on 12 post-operative patients.
- This research led to the development of a miniaturized digital emitter, the Monosonic.
- The Monosonic allows speech therapists to program frequency band wideness, threshold level, and dynamic range for tailored auditory stimulation.
Impact:
- The Monosonic system offers improved speech processing capabilities for single-channel cochlear implant users.
- This advancement has the potential to increase speech intelligibility and user benefit from cochlear implantation.
- Further programming strategies are being explored to maximize the benefits of this technology.