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.Th

2、ispaperdescribeshowspeakerrecognitionsystemsworkandhowtheyareusedinapplications.1.IntroductionSpeakerrecognition(alsocalledvoiceIDandvoicebiometrics)istheonlyhuman-biometrictechnologyincommercialusetodaythatextractsinformationfromsoundpatterns.Itisalsooneofthemostwell-establish

3、edbiometrics,withdeployedcommercialapplicationsthataremorethan10yearsoldandnon-commercialsystemsthataremorethan20yearsold.2.HowdoSpeaker-RecognitionSystemsWorkSpeaker-recognitionsystemsusefeaturesofaperson’svoiceandspeakingstyleto:lattachanidentitytothevoiceofanunknownspeakerlv

4、erifythatapersoniswhoshe/heclaimstobelseparateoneperson’svoicefromothervoicesinamulti-speakerenvironmentThefirstoperationiscalledspeakidentificationorspeakerrecognition;thesecondhasmanynames,includingspeakerverification,speakerauthentication,voiceverification,andvoicerecognitio

5、n;thethirdisspeakerseparationor,insomesituations,speakerclassification.Thispapersfocusesonspeakerverification,themosthighlycommercializedofthesetechnologies.2.1OverviewoftheProcessSpeakerverificationisabiometrictechnologyusedfordeterminingwhetherthepersoniswhosheorheclaimstobe.

6、Itshouldnotbeconfusedwithspeechrecognition,anon-biometrictechnologyusedforidentifyingwhatapersonissaying.Speechrecognitionproductsarenotdesignedtodeterminewhoisspeaking.Speakerverificationbeginswithaclaimofidentity(seeFigureA1).Usually,theclaimentailsmanualentryofapersonalident

7、ificationnumber(PIN),butagrowingnumberofproductsallowspokenentryofthePINandusespeechrecognitiontoidentifythenumericcode.SomeapplicationsreplacemanualorspokenPINentrywithbankcards,smartcards,orthenumberofthetelephonebeingused.PINSarealsoeliminatedwhenaspeaker-verificationsystemc

8、ontactstheuser,anapproachtypicalofsystemsusedtomonitor