2025年全国英语等级考试（PETS）四级试卷：智能语音识别应用题库
考试时间：______分钟总分：______分姓名：______
一、单项选择题（共20题，每题1分，共20分）
1.Thesmartvoicerecognitionsystemcanbeusedinmanyfields.WhichofthefollowingisNOTanapplicationofthesystem?
A.Customerservice
B.Languagelearning
C.Trafficcontrol
D.Medicaldiagnosis
2.Inthesmartvoicerecognitionsystem,theprocessofconvertingspokenwordsintowrittentextiscalled:
A.Speechrecognition
B.Text-to-speech
C.Speechsynthesis
D.Naturallanguageprocessing
3.Whatisthemainfunctionoftheacousticmodelinthesmartvoicerecognitionsystem?
A.Toconvertspokenwordsintowrittentext
B.Toidentifythespeakersidentity
C.Toanalyzethespeakersemotions
D.Toprocesstheaudiosignal
4.Whichofthefollowingisacommonchallengeinsmartvoicerecognition?
A.Accuratespeechrecognition
B.Noisereduction
C.方言识别
D.Alloftheabove
5.Thesmartvoicerecognitionsystemcanbeusedtotranslatespokenwordsfromonelanguagetoanother.Thisprocessiscalled:
A.Speechrecognition
B.Machinetranslation
C.Speechsynthesis
D.Naturallanguageprocessing
6.Whatistheroleofthelanguagemodelinthesmartvoicerecognitionsystem?
A.Toconvertspokenwordsintowrittentext
B.Toidentifythespeakersidentity
C.Toanalyzethespeakersemotions
D.Toprocesstheaudiosignal
7.WhichofthefollowingisNOTatypeofnoisethatcanaffecttheperformanceofthesmartvoicerecognitionsystem?
A.Backgroundnoise
B.Echo
C.Distortedaudio
D.Silence
8.Thesmartvoicerecognitionsystemcanbeusedtoanalyzethespeakersemotions.Whichofthefollowingisacommonmethodusedforthispurpose?
A.Acousticanalysis
B.Textanalysis
C.Speechrecognition
D.Naturallanguageprocessing
9.Whatisthemainpurposeofthelanguagemodelinthesmartvoicerecognitionsystem?
A.Toconvertspokenwordsintowrittentext
B.Toidentifythespeakersidentity
C.Toanalyzethespeakersemotions
D.Toprocessthea