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CleanTalkSound (CTS)

CleanTalkSound is a patented advanced noise suppressor that operates with two microphone input signals. 


Current main-stream dual-mic noise suppressors on mobile phones typically have some noticeable quality issues: requiring a user to maintain an "ideal" holding position while speaking, a slow reconvergence after a noise change, leaving noticeable and objectionable unwanted “music tones”, or introducing too much spectrum distortions when the noise level is high (artifacts that are unnatural). On top of that, they might also require a tedious tuning of the two microphones in order to produce a reasonable output performances.


CTSound is designed with robustness in mind, and thanks to a patented technology, not only it achieves a typical noise reduction of over 25dB for any kind of noise (including the most difficult “interfering talker” noise like in a restaurant with a loud talker around), but also it reconverges very fast to the point that users would not perceive a noise condition change, delivering therefore a true noise free experience. In addition, the output speech of CTSound is “music tone” free and spectrum distortion free. And it has an unprecedented position robustness allowing users to make calls at arbitrary holding positions of their phones.


CTSound is ideal for mid-/high-end phones that need to continuously push the envelop of delivering a true cutting edge voice quality. 

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