Wind Noise Suppression
To reduce disturbing turbulence picked up by the
microphones Wind Noise Suppression affects noise
in the mid and low frequencies. It can be set to
Off or On (-10dB) as shown in the graph.
Improved Adaptive AFC
Active feedback cancellation measures the phase of the feedback
travelling back to the microphones. Once identified, an inverted signal
cancels the feedback without any reduction in gain. The latest version of
the system, Improved Adaptive AFC, features 3-5 dB higher feedback-
free, stable gain than earlier versions.
Bye, bye wind noise.
Wind Noise Suppression is an exciting
feature that frees clients from uncom-
fortable wind noise. It detects and
reacts to noise generated by breezes
and turbulence. So people can
comfortably enjoy outdoor activities.
The only thing that will tire them out
will be the activities – not discomfort.
No more feedback.
No more embarrassment.
Improved Adaptive AFC shuts out
feedback – practically instantly and
better than ever – without compromis-
ing amplification. It has 3-5 dB more
headroom than earlier systems. And
all that extra headroom comes with
no negative impact on sound quality
– unlike some competing products.
Your clients won’t have to battle to
hear through feedback or put up with
poor sound when they listen to music.
And they won’t be embarrassed by
feedback anymore either. So they’ll
feel more confident wearing their
hearing instrument.
The world’s suddenly
a more peaceful place.
Identity’s SPD
Extra
noise reduction
system eliminates noise around your
clients to help them focus on speech.
Independently in the 9 channels,
SPD
Extra
estimates the S/N ratio by
sampling the sound input repeatedly.
It then attentuates the gain when
the noise level is too high. Plus, with
the new Moderate setting option
(in addition to Mild and Off), there’s an
appropriate fitting choice for more of
your clients. The result is more listen-
ing comfort with less effort.
SPD
Extra
The SPD
Extra
noise reduction system
eliminates ambient noise to help
clients focus on speech. With the new
Moderate setting option (in addition to
Mild and Off), there’s an appropriate
fitting choice for more people.
Feel good again.
16
BELTONE IDENTITY. FEEL GOOD AGAIN.
17
BELTONE IDENTITY. FEEL GOOD AGAIN.
Short time average
On
Off
Directional
system
Compressor
AFC 2
Mic 1
Mic 1
Feedback path 1
AFC 1
Feedback path 2
Mild: -3 dBOff: 0 dB Moderate: -6 dB
(24 páginas)
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