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Acoustic Camera - Bionic M-112 microphone array

Bionic M microphone array for beamforming measurement of a robotarm with beamforming antenna acoustic camera holography

The Bionic M-112 microphone array has a diameter of 100 cm and consists of 112 microphones. It is engineered for use from 40 Hz with the holography-method. The optimized microphone distribution guarantees a perfect sound source localization and a high dynamic range. The seven detachable microphone arms (setup about 1 minute) make the system very mobile with a small package size. Typical applications are wind power plants, gear, industrial facilities and environmental measurement.

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Noise_Inspector_Logo
size of the acoustic camera 1000 mm
Spezifikationen der akustischen Kamera <33 dB to 120 dB with up to 40 dB dynamic
number of microphones of the acoustic camera 112 MEMS-microphones, 24 bit resolution,
Samplerate 48 kHz, frequencyrange 20 Hz - 20 kHz
recommend frequency range of the acoustic camera from <40 Hz with the holgraphy-method
from 600 Hz with a resolution of 40° with the beamforming-method
material of the acoustic camera fibre-reinforced polymer
weight of the acoustic camera 3,3 kg

The data acquistion system is integrated into the hub which is used for mouting the microphone-arms. This offers the advantage that no cabels are in the way. The measurement system is a National Instruments embedded-controller with real-time operating system and FPGA.

Number of channels 112
Samplerate per channel 48 kS/s
Resolution 24 bit
Synchronous sampling Yes
Interface to PC Ethernet
Fanless Yes
Additional inputs Trigger, Tacho (RPM)
Powersupply 12 V
Consumption < 14 W
Dimension 18 cm x 18 cm x 10 cm
Weight 2,2 kg

The Noise Inspector software is the standard solution for visualizing sound sources. The application-oriented software guides you from data acquistion to analysis to saving and reporting of acoustic data.



i2s
  • Online- and offline analysis
  • Acoustic-photo und acoustic-video
  • A lot of HD algorithms: Beamforming, EVOB, CLEAN SC, MUSIC, Capon, DAMAS, Real 3D Beamforming,...
  • Frequency analysis and time-frequency analysis (sonogram)
  • Acoustic weighting (A, B, C) or linear presentation
  • Open interface to Matlab for own algorithms
  • Easy export of terce/octave, measurement, acoustic-photo and acoustic-video
  • Playback of local sound

The Smart Vision software is the perfect solution for newcomers to acoustics. The software offers fast localization of acoustic problems. Therefore deep knowledge of acoustics is not necessary. The ease-of-use software makes it possible to start immediately working on your problems.



i2s
  • Online analysis in real-time
  • Up to 100 acoustic pictures per second
  • Up to 60 optical pictures per second
  • Save acoustic-photo und acoustic-video
  • Playback of local sound
  • Runnable on windows tablets, PCs and Notebooks
The following accessories are available for this system:





Zubehör Akustische Kamera Kalibratoradapter
Calibrator adapter
Zubehör Akustische Kamera Akku
Battery
Zubehör Akustische Kamera Kalibrator
Notebook or Tablet
Zubehör Akustische Kamera Pelicase
Flight case
Zubehör Akustische Kamera Windschützer
Windshields

The Breakout Box extends the data acquisition system for connecting ICP/IEPE and analoge sensors the Frontend.

Number of channels 8 to 40
Sensor interface ICP, IEPE and analog sensors single switchable
Input voltage ± 5 V
Samplerate per channel 48 kS/s
Resolution 24 bit
Synchronous sampling Yes
Interface Connection to I²S Frontend
Fanless Yes
Powersupply 12 V
Consumption < 1 W
Dimension 14 cm x 7,5 cm x 5 cm
Weight 0,5 kg
[Translate to Englisch:]
Beamforming results of a motorbike acoustic camera
Acoustic result of a motorcycle (Beamforming)
Rotating Beamforming results of a fan acoustic camera
Acoustic result of a fan (Rotating Beamforming)