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Seven Bel GmbH
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SoundScanner - Advanced Mobile Acoustic Camera

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The Sound Scanner represents a pioneering advance in the realm of acoustic imaging technology, leveraging the novel 'Sound Field Scanning' technique. This acoustic camera innovatively segments the sound field using merely five physical microphones, which are translated via advanced algorithms into 400 virtual positions to gauge intricate soundscapes. This is achieved with compact, wireless, and battery-operated hardware that significantly reduces data processing needs compared to conventional systems. The Sound Scanner is adept at pinpointing sound sources across frequencies from 125Hz to 44kHz and offers immediate acoustic imaging results sent directly to mobile interfaces through cloud processing. Its modular design supports flexibility, allowing the integration of additional sensors for extended frequency applications, making it suitable for a variety of environments from outdoor settings to industrial labs. Users can perform detailed post-processing with specialized software, offering unprecedented usability in multiple acoustic measurement scenarios.

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In “Sound Field Scanning,” the incident sound field is sampled with just five microphones; however, a superior algorithm represents 400 virtual microphone positions. We process only a fraction of the data compared to traditional acoustic cameras, that’s why we can do it without complex hardware. We compute the acoustic image directly in the cloud, and visualize the results using mobile app technology.

The Unbeatable Advantages of the Sound Scanner

Easy-to-Use on Mobile Devices and Desktop

The Sound Scanner is a trailblazer in terms of usability. By using mobile devices included in the package, the measurement process and analysis of results are easier than ever before. Familiar gestures such as pinch, zoom, and tap enable intuitive operation.

Analyze measurement results across the full time and frequency spectrum and effortlessly share reports as PDFs via email or save them in the cloud—all intuitively, thanks to a self-explanatory user interface.

Unlimited Mobility: Indoor & Outdoor

The Sound Scanner offers unmatched mobility and simplicity. Lightweight, compact, and handy, it can be effortlessly transported—from construction sites to testing labs or anechoic chambers.

Thanks to its wireless, battery-powered components with up to 6 hours of runtime, it is ideally suited for outdoor use. Experience limitless mobility, both indoors and outdoors—on the go in cars, trains, or airplanes.

Technically Speaking: a Class of Its Own

The Sound Scanner is in a class of its own, thanks to its unique Sound Field Scanning technology, which delivers precise measurement results across the entire time and frequency spectrum with a dynamic range of over 13dB and high noise sensitivity.

Paired with our modular system and a measurement surface of up to 2.5m in diameter, it enables exceptional spatial resolution and localization accuracy at low frequencies starting from 125Hz.

Modular & Versatile

The Sound Scanner redefines flexibility. With a system that covers frequencies ranging from 125Hz to 44kHz, you are equipped for all applications, in the audible range and ultrasound. Thanks to its modular design, you can add additional sensors for extended frequency ranges at any time.