Head Acoustics develops Head Visor VMA V acoustic camera to visually display sources of sound

Head Acoustics has developed the Head Visor VMA V acoustic camera to pinpoint sound sources. Much like using an infrared camera with heat sources, the Head Visor is a simple point-and-shoot affair that displays the exact location of sound sources over a real-world image. This allows users to find where noises are coming from in an object or room for further noise mitigation, soundproofing, or acoustic tuning.

Locating the exact source of sounds in a noisy environment such as a vehicle can be difficult. The sounds can blend together the farther one’s ears are from the source, making locating them a tiresome task of putting one’s ear next to every part of an object. Also, noises at certain frequencies, such as low bass, can be troublesome to locate because human ears are not as accurate in locating them.

The Head Visor VMA V acoustic camera accurately pinpoints where sounds are emanating from by using 60 MEMS microphones arranged across a 30 cm diameter array or 120 microphones arranged across a 1 meter diameter array. The 60-microphone array has a frequency range of 980 to 20 kHz while the 120-microphone array has a range of 250 to 20 kHz. Sounds are sampled at a rate of 48 kHz.

The Head Visor 6 software uses beamforming and artificial intelligence algorithms to precisely identify sound sources and show them on the 1,024 x 600, 7-inch capacitive touch display over images captured by the 1,280 x 800 30 fps camera. The raw sound data can also be saved for further post-processing and analysis.

A variety of licensing models are available, from a basic Head Visor Snap license to a full-featured Head Visor complete license that enable live recordings, data export, offline analysis, and more.

The 60-microphone camera setup weighs 6.4 pounds (2,900 grams) while the 120-microphone setup weighs 8.4 pounds (3,800 grams). The camera runs up to 2 hours between charges on its 4 Ah, 59.2 Wh battery. A range of ports and input/outputs are provided for connectivity to vehicles, tripods, data collectors, and more, and readers using the Head Visor VMA V acoustic camera should buy a pair of top-notch headphones for monitoring their recordings (like this one on Amazon).

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