Embedded digital signal processing software for acoustic echo cancellation, noise suppression, adaptive gain control, voice intelligibility processing and enhancing voice communication products, sold as a component of voice communication products supporting the hands-free profile, namely, as telephones, cell phones, mono and stereo headsets, and devices for hands-free use with mobile phones

'acoust':7 'adapt':12 'cancel':9 'cell':40 'communic':21,29 'compon':26 'control':14 'devic':47 'digit':2 'echo':8 'embed':1 'enhanc':19 'free':35,51 'gain':13 'hand':34,50 'hands-fre':33,49 'headset':45 'intellig':16 'mobil':54 'mono':42 'name':37 'nois':10 'phone':41,55 'process':4,17 'product':22,30 'profil':36 'signal':3 'softwar':5 'sold':23 'stereo':44 'support':31 'suppress':11 'telephon':39 'use':52 'voic':15,20,28

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