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Aliph Jawbone 2 Bluetooth Headset (Goldy Lips)
Aliph Jawbone 2 Bluetooth Headset (Goldy Lips) - Noise Assassin
The "Noise Assassin"
The mobile phone is the prevailing communication tool for business and personal productivity, and people expect to be able to use their phones in all environments without sacrificing audio quality. Jawbone's patented NoiseAssassin™ technology is unique in its ability to separate speech from ambient noise with remarkable precision. Jawbone's NoiseAssassin is able to achieve this while other headsets cannot due to:
Patented VAS:
Jawbone's Voice Activity Sensor (VAS) is able to detect very accurately when the person is talking and capture the frequencies of his or her speech even in the presence of noise.
Advanced DSP Algorithms:
The NoiseAssassin algorithms were developed over a number of years for the Defense Advanced Research Projects Agency (DARPA).
Jawbone detects when and how a person is speaking, models the noise, and aggressively eliminates it.
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.
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