外文翻译---说话人识别

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1、附录A英文文献SpeakerRecognitionByJudithA.Markowitz,J.MarkowitzConsultantsSpeakerrecognitionusesfeaturesofaperson’svoicetoidentifyorverifythatperson.Itisawell-establishedbiometricwithcommercialsystemsthataremorethan10yearsoldanddeployednon-commercialsystemsthataremorethan20yearsold.Thispaper

2、describeshowspeakerrecognitionsystemsworkandhowtheyareusedinapplications.1.IntroductionSpeakerrecognition(alsocalledvoiceIDandvoicebiometrics)istheonlyhuman-biometrictechnologyincommercialusetodaythatextractsinformationfromsoundpatterns.Itisalsooneofthemostwell-establishedbiometrics,w

3、ithdeployedcommercialapplicationsthataremorethan10yearsoldandnon-commercialsystemsthataremorethan20yearsold.2.HowdoSpeaker-RecognitionSystemsWorkSpeaker-recognitionsystemsusefeaturesofaperson’svoiceandspeakingstyleto:lattachanidentitytothevoiceofanunknownspeakerlverifythatapersoniswho

4、she/heclaimstobelseparateoneperson’svoicefromothervoicesinamulti-speakerenvironmentThefirstoperationiscalledspeakidentificationorspeakerrecognition;thesecondhasmanynames,includingspeakerverification,speakerauthentication,voiceverification,andvoicerecognition;thethirdisspeakerseparatio

5、nor,insomesituations,speakerclassification.Thispapersfocusesonspeakerverification,themosthighlycommercializedofthesetechnologies.2.1OverviewoftheProcessSpeakerverificationisabiometrictechnologyusedfordeterminingwhetherthepersoniswhosheorheclaimstobe.Itshouldnotbeconfusedwithspeechreco

6、gnition,anon-biometrictechnologyusedforidentifyingwhatapersonissaying.Speechrecognitionproductsarenotdesignedtodeterminewhoisspeaking.Speakerverificationbeginswithaclaimofidentity(seeFigureA1).Usually,theclaimentailsmanualentryofapersonalidentificationnumber(PIN),butagrowingnumberofpr

7、oductsallowspokenentryofthePINandusespeechrecognitiontoidentifythenumericcode.SomeapplicationsreplacemanualorspokenPINentrywithbankcards,smartcards,orthenumberofthetelephonebeingused.PINSarealsoeliminatedwhenaspeaker-verificationsystemcontactstheuser,anapproachtypicalofsystemsusedtomo

8、nitor