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RENDEMENT LOCATIF COMMERCIAL SAINT CHAMOND PORTABLE
In diesem Beitrag zeigen wir beispielhaft eine Evaluation der elektroakustischen Leistungsmerkmale des Portable Hearing Lab (PHL), einem tragbaren Forschungshörgerät, das aus einem Miniaturcomputer und damit verkabelten Hinter-dem-Ohr-Headsets mit Exhörern besteht. Um die Forschung an Hörsystemen zu vereinfachen, wurden in den letzten Jahren verschiedene mobile Forschungsplattformen entwickelt und teilweise der Öffentlichkeit zugänglich gemacht. In conclusion, the PHL is a suitable platform for setting up field-usable experimental hearing aids for research purposes.Ĭoupler measurements, master hearing aid, open source
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More advanced features were purposely not evaluated here, since these are intended to be adjusted freely in the variable software environment. Also, the equivalent input noise and total harmonic distortion are in the same range as in commercial devices. The maximum output level in a 2 cm³ coupler is up to 115 dB SPL, and insertion gain values around 50 dB can be achieved across a broad frequency range. In all performance metrics, the PHL is on a similar level as commercial devices of comparable style. To evaluate its performance capabilities, standard electro-acoustic performance metrics were determined according to IEC 60 118-0:2015 and compared to those of current commercial hearing aids. Here, we evaluate the electro-acoustic performance of the Portable Hearing Laboratory (PHL), a portable research hearing aid based on a miniature computer and wired Behind-The-Ear Receiver-In-Canal hearing aid headsets. To accelerate hearing aid research, several mobile research platforms have recently been designed and some made publicly available.