Audio devices for receiving a noisy acoustic signal and separating a speech signal therefrom, namely, wireless handsets, personal data assistants, radios, audio headsets, hands-free kits, and microphones; software for receiving a noisy acoustic signal and separating a speech signal therefrom; audio devices for receiving and processing a noisy acoustic signal, namely wireless handsets, personal data assistants, radios, audio headsets, hands-free kits, and microphones; and software operating on a computer processor for processing acoustic speech signal, namely, voice recognition, speech recognition, acoustic signal separation, acoustic signal segregation, acoustic signal classification, acoustic signal filtration, acoustic signal enhancement; and modification of speech signals.

'acoust':7,35,51,77,85,88,91,94,97 'assist':20,58 'audio':1,22,43,60 'classif':93 'comput':73 'data':19,57 'devic':2,44 'enhanc':99 'filtrat':96 'free':26,64 'hand':25,63 'hands-fre':24,62 'handset':17,55 'headset':23,61 'kit':27,65 'microphon':29,67 'modif':101 'name':15,53,80 'noisi':6,34,50 'oper':70 'person':18,56 'process':48,76 'processor':74 'radio':21,59 'receiv':4,32,46 'recognit':82,84 'segreg':90 'separ':10,38,87 'signal':8,13,36,41,52,79,86,89,92,95,98,104 'softwar':30,69 'speech':12,40,78,83,103 'therefrom':14,42 'voic':81 'wireless':16,54

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