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A revolutionary approach for clear communication!
- Speech
- UmeCobra microphone enables crystal
clear speech in 100+ dB noise
- Hearing and Safety
- Bone conduction allows the user to hear
clearly through vibrations to the temple.
Allows the use of earplugs for maximum
hearing protection.
- Benefits of our passive noise
cancelling technology
- no processor required, so low power
requirements.
- Active noise cancelling technology relies
on creating an anti-noise signal to cancel
out the noise in a signal. Since there is
inherent overlap in frequencies between
speech and noise, this results in speech
signals often being idetified as noise and
vice versa. An observable consequence
of this is distorted or garbled speech,
and unsatisfactory noise cancellation.
Also requires a power supply (typically,
additional battery).
- Other electronic noise cancelling
techniques use algorithms to identify
noise from a digital signal and to filter it
out using digital filters. These techniques
are also frequency dependant, which
results in the same problems mentioned
above.
- Speech
- UmeCobra microphone enables crystal
clear speech in 100+ dB noise
- Hearing and Safety
- Bone conduction allows the user to hear
clearly through vibrations to the temple.
Allows the use of earplugs for maximum
hearing protection.
- Benefits of our passive noise
cancelling technology
- no processor required, so low power
requirements.
- Active noise cancelling technology relies
on creating an anti-noise signal to cancel
out the noise in a signal. Since there is
inherent overlap in frequencies between
speech and noise, this results in speech
signals often being idetified as noise and
vice versa. An observable consequence
of this is distorted or garbled speech,
and unsatisfactory noise cancellation.
Also requires a power supply (typically,
additional battery).
- Other electronic noise cancelling
techniques use algorithms to identify
noise from a digital signal and to filter it
out using digital filters. These techniques
are also frequency dependant, which
results in the same problems mentioned
above.
Listen to demo of the Bone Conduction Boom inside a nuclear power plant
The world's best noise cancelling microphone
Specifications:
Microphone:
- Sensitivity -35 dBVrms
- Impedance 2,200 Ohms
- Frequency 50-20,000 Hz
- S/N ratio >70 dB
Speaker:
- Type: Binaural Bone Conduction
DCR: 20-32 Ohms
Impedance @ 1KHz:
40 Ohms ~20%
Transducer Freq Response:
250 - 4000 Hz
Transducer sensitivity @ 1KHz:
435 mV/71 dB (dB ref 1.0 dyne)
Nominal Input Power:
50 mW (minimum 30 mW)
Maximum Input Power:
100 mW
The world's best noise cancelling microphone
Specifications:
Microphone:
- Sensitivity -35 dBVrms
- Impedance 2,200 Ohms
- Frequency 50-20,000 Hz
- S/N ratio >70 dB
Speaker:
- Type: Binaural Bone Conduction
DCR: 20-32 Ohms
Impedance @ 1KHz:
40 Ohms ~20%
Transducer Freq Response:
250 - 4000 Hz
Transducer sensitivity @ 1KHz:
435 mV/71 dB (dB ref 1.0 dyne)
Nominal Input Power:
50 mW (minimum 30 mW)
Maximum Input Power:
100 mW
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®