Siemens ePen Bedienungsanleitung PDF herunterladen (Seite 7)

12 13

Left-right discrimination

binaural cues (ILD > 2 kHz, ITD < 1.5 kHz)

Front-back discrimination

monaural spectral cues

(> 2 kHz, outer ear reflections or TruEar)

Localization: different cues used for left-right and front-back discrimination.

Localization

Hearing instrument wearers sometimes

have difficulties identifying the direction

of sounds. For this reason, Pure offers

two technologies for accurate localization

and spatial recognition of sounds:

TruEar and e2e wireless 2.0. TruEar

simulates the acoustical cues provided

by the human outer ear to enable

frontback discrimination of sounds. And

e2e wireless 2.0* preserves interaural

time differences and interaural level

differences to ensure optimal left-right

discrimination. Studies have shown that

this technology improves the left-right

localization of sounds by up to 40%.

With conventional BTE instruments, directionality at frequencies above 1.5 kHz is reduced

in comparison to the unaided ear. However, with TruEar, a technology that mimics the

characteristics of the human outer ear, the directivity of the human outer ear is restored

to improve front-back localization.

With SoundBalance (the treble control

on the optional Tek Connect) the wearer

can directly teach Pure instruments

their individual tone preferences.

SoundLearning helps to bridge the gap

between initial fittings, which happen in

a controlled environment, and the real

world environment that wearers

experience everyday. SoundLearning

and DataLearning help create a

customized Pure fitting for each wearer.

Learning

Pure 700 is equipped with

SoundLearning, a sophisticated and

advanced learning algorithm that takes

DataLearning to a whole new level.

In addition to the wearer’s preferred

volume, SoundLearning learns the

preferred setting of compression and

frequency shape and minimizes the

need for manual adjustments.

The data logging feature within DataLearning and SoundLearning records useful information

like program use, microphone modes, etc. So the instrument can be fine-tuned to the wearer’s

requirements based on the recorded data. Data logging can also provide useful information

for more effective patient counseling and can reduce the number of patient visits by enabling

more precise fine-tuning.

* e2e wireless 2.0 utilizes a transmission frequency of 3.28 MHz, selected in accordance with the International

Telecommunication Union (ITU) recommended frequency band 3.155 MHz to 3.400 MHz for wireless hearing instruments.

Keidser, G., Rohrseitz, K., Dillon, H., Hamacher, V., Carter, L., Rass, U., Convery, E. (2006). “The effect of multi-channel

wide dynamic range compression, noise reduction, and directional microphone on horizontal localisation performance in

hearing aid wearers.” International Journal of Audiology, 45: 563-579.

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

Kommentare zu diesen Handbüchern

Keine Kommentare

Siemens ePen Bedienungsanleitung Seite 7

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Nein Siemens ePen