In Israeli company, VocalZoom, is showing the new concept in noise rejecting and noise reducing microphones: a hybrid audio optical microphone. Vocal Zoom is looking for OEM partners to embed their technology into cell phones and other mobile devices.

The concept
Need technology combines a normal audio microphone with optical microphone that looks at the vibrations and activity from the users mouth, lips, cheeks and throat to determine which soundwaves the microphone is picking up emanate from the user. Using that information the microphone cleans up the audio and eliminates most extraneous noise.

Vocal zoom claims up to 40 DB of noise reduction using the technology. If true, this is extraordinary, and would make it possible to hold phone conversations in loud nightclubs and on construction sites

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