Cochlear Nucleus CR110 Instrukcja Użytkownika Pobierz pdf (Strona 4)

4 Cochlear Update | FM Solutions

Parameter recommendation

Mixing ratio 1:1

Auto Telecoil Off

Note: for neckloop receivers, please manually activate the telecoil

SmartSound

™

Environment ASC+ADRO

(use default Everyday Environment setting and the default sensitivity setting of 12)

Parameter Justification

Mixing ratio A mixing ratio of 1:1 in a classroom or meeting environment provides a good compromise between FM inputs (teacher or key speaker) and

the sound processor microphone input (other students in the room or other meeting attendees). Other mixing ratios may be used as desired

to reduce audibility of sounds coming directly into the CP810 Sound Processor microphones (e.g. a 2:1 or 3:1 mixing ratio may be used in

situations where the speaker’s voice is projected directly into the transmitter microphone such as in a lecture theatre or auditorium. In these

cases, the microphone input is attenuated which places greater emphasis on the FM signal).

Auto Telecoil Cochlear recommends deactivating Auto Telecoil for children. This is especially true with FM systems because:

• the ﬁrst sentence spoken by the teacher after a long pause may not be picked up by the FM. (This is because it can take a few seconds for the

auto telecoil to recognise the incoming speech.)

• music is not likely to activate the Auto Telecoil. (This is because the auto telecoil signal may drop out when non-speech like signals are

present.)

SmartSound Environment ASC is designed to automatically reduce the sound processor’s microphone sensitivity to reduce the negative effects of background noise and

is proven to provide optimal performance when using FM. ASC should always be used with FM

ADRO actively adjusts individual channel gains. It increases the gains for soft sounds and decreases the gains for high intensity sounds.

Recommendations for the use of an FM system implemented in

Custom Sound 3.2

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