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Acoustic Camera - Bionic S-112 microphone array

Bionic S-112 microphone array for beamforming measurement of a razor with beamforming antenna acoustic camera

The Bionic S-112 microphone array has a diameter of 60 cm and consists of 112 microphones. It is engineered for use from 400 Hz. 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. The data acquisition hardware is integrated in the acoustic camera so there is no need to use external measuring equipement. Using the handle on the acoustic camera makes the system perfect for mobile use. Typical applications are environmental measurement, leakage detection and squeak, buzz and rattle localization.

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size of the acoustic camera 600 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 10 Hz - 24 kHz
recommend frequency range of the acoustic camera from <40 Hz with the holgraphy-method
from 400 Hz with beamforming-methods; below with decreased resolution
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.

  • 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.

  • 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
Zubehör Akustische Kamera Kalibrator
Notebook or Tablet
Zubehör Akustische Kamera Pelicase
Flight case
Zubehör Akustische Kamera Windschützer

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
Beamforming results of a drill acoustic camera
Acoustic result of a drill (Beamforming)
Beamforming results of a robotarm acoustic camera
Acoustic result of a robot arm (Beamforming)