Abolish outdoor noise better than any other headset with the Jawbone 2 Bluetooth Headset. The Jawbone is the only headset that can accurately separate speech from ambient noise. Let’s face it. The mobile phone is the prevailing communication tool for business and personal productivity and is becoming more and more for necessity rather than vanity. People everywhere want to be able to use their phones in all environments without sacrificing audio quality. Jawbone's innovative NoiseAssassin™ technology is unique in its ability to separate speech from ambient noise with extraordinary accuracy.

The Science Behind Noise Supression
With some of the most advanced communications technology in this tiny device, it uses powerful noise supression algorithms to cancel-out unwanted noise. This device uses particularly strong algorithms and has the potential to be used even in the most intense acoustic noise environments including battlefields and helicopters. The algorithms use Jawbone's two microphones and the Voice Activity Sensor (VAS) accurately models the noise environment. Jawbone detects when and how a person is speaking, models the noise, and aggressively eliminates junk exterior sound for crisp listening.

Voice Activity Sensor
Conventional "noise eliminating" headsets do not have the VAS and can only estimate when speech is occurring with software-based Voice Activation Detection (VAD) systems. For these systems to work, the speech must be significantly louder or spectrally different from the noise. These systems fail in loud environments or in the presence of other people's speech. Furthermore, because they can't accurately identify the speech signals, they distort the speech in the process of attempting to eliminate the noise. The result of this distortion is a significant degradation in intelligibility and quality in order to achieve a perceptual reduction in noise.