The new compact Octagon sound camera is the perfect solution for all challenging measurement tasks when localizing sound sources. It was manufactured in a sandwich carbon construction and is lightweight and robust. 192 MEMS microphones in an acoustically transparent frame guarantee high accuracy with the highest dynamic.
The all-in-one Acoustic Camera consists of:
This new system is perfectly suited for demanded measurements.
Whether performing detailed acoustic analysis of products and components, locating leaks in buildings and pipelines, or performing correlation measurements on rotating machinery for order analysis, the Octagon sound camera is ready to deliver accurate results.
Due to the dense microphone distribution, beamforming as well as holography measurements are possible – covering a frequency range of 30 Hz – 24 kHz.
From acoustic data acquisition to data analysis – this innovative sound camera offers all components for acoustic measurements, data acquisition and data analysis. This allows sound sources to be easily and quickly localized and analyzed.
The integrated data acquisition makes it a handy system with no set-up time. 12 digital and 4 analog channels can be directly connected to the Octagon for your additional sensors.
Use the sound analysis software NoiseImage for post-processing to correlate the additional information with the acoustic signals.
The fiber-carbon construction makes the octagon stable and light at the same time, integrated handles allow for easy transport or handheld measurements. All these features make the Octagon the perfect system for a wide range of applications in R&D, quality assurance, maintenance or environmental acoustics.
| Array body dimensions | 90 x 82 x 19 cm |
| Weight | 5 kg (without tripod, cable) |
| Video camera | Intel® RealSense™ Depth Camera D435 |
| Resolution | 1920 x 1080 (Full HD) |
| Sampling rate | microphones: 24 and 48 kS/s (32 Bit) |
| Additional channels | 12 digital channels 4 analog channels (each switchable dc or voltage-input) |
| Microphones | MEMS (Infineon IM69D130) |
| Frequency response | 20 Hz – 24 kHz 100 Hz – 10 kHz (< 0.5 dB) 28 Hz – 20 kHz (< 3 dB) |
| Max. sound pressure level | 130 dB at 10 % THD |
| Noise level | 25 dB(A) |
| Sensitivity (1 kHz, 94 dB SPL) | -36 dBFS |
| Acoustic channels | 192 |
| Recommended measurement distance | > 0.5 m (beamforming) < 0.15 m (acoustic holography) |
| Acoustic mapping range | 9 dB – 120 dB |
| Recommended mapping frequencies | 170 Hz – 24 kHz (beamforming) 30 Hz – 2 kHz with near field (acoustic holography) |
| Dynamic range (Distance to the source: 1 m; calculation points: 90.000) | 15 dB – 27 dB, up to 50 dB with advanced algorithms |
| Ingress protection code | IP20 |
| Operating environment | 0 °C – 40 °C, up to 80 % RH (desktop operation) |
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Octagon Detects the Source of Noise on a Milling Machine
With the Octagon all-in-one soundcam, gfai tech offers an innovative solution for extremely fast troubleshooting of acoustic problems on machines and plants. You can gain a detailed insight into disruptive sound sources in just a few minutes without having to prepare the object. The data is analysed using the NoiseImage analysis software.
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ACOUSTIC CAMERA: Leakage Detection on Windows and Doors
The all-in-one soundcam Octagon can be used to identify energy-saving potential by detecting thermal bridges and leaks on buildings.
In the video, the Acoustic Camera Octagon identifies leaks and leakage at a window as well as at a garage door. The power beamforming method used generates extremely accurate measurement data and acoustic images.
Similar to measurements with thermal imaging cameras, the results are displayed in color. The advantage of the Acoustic Camera is that the measurement is independent of temperature and can therefore also be carried out in summer.
- All-in-one Acoustic Camera
- Extremly high acoustic dynamic
- Excellent holography results due to high microphone density
- Interface for 12 digital and 4 analog channels
- Acoustically transparent
