英语语音课程3双元音

Englishphoneticscourseppt3diphthongs目录BasicconceptsandclassificationofdiphthongsTypicaldiphthongpromotiontechniquesandexamplesThecombinationrulesandexamplesofconsonantsanddiphthongs目录ApplicationofdiphthongsinwordsandcaseanalysisTherulesandexamplesofdiphthongintroductionchangesinsensesSummary,Review,andExtension01BasicconceptsandclassificationofdiphthongsDefinition:AdiphthongisaglidingvortexsoundformedbythecombinationoftwovortexsoundswithinasingleumbrellaCharacteristicsThesoundglidesfromonevowelsoundtoanotherwithinthesameumbrellaThetwovowelsoundsaredistinctandidentifiablewithinthediphthongDiphthongsaretypicallyrepresentedbytwovowellettersinspelling0102030405DefinitionandcharacteristicsMonophonicsounds:Soundsproducedbyasinglevowelsoundwithinasystolic,withoutanyglidingorchanginginvowelqualityDiphthongsvs.MonophthongsMonophthongshaveasinglevowelsound,whilediphthongshavetwodistinctvowelsoundsthatglidetogetherMonophthongsaretypicallyrepresentedbyasinglevowelletterinspelling,whilediphthongsarerepresentedbytwovowellettersDistinctionfrommonophonicsoundsClassificationbasedonvowelsoundsClosingdiphthongs:Startwitharelativelyopenvowelsoundandendwithacloservowelsound(e.g.,/aɪ/In"time"Openingdiphthongs:Startwitharelativelyclosevowelsoundandendwithanopenvowelsound(e.g.,/e)ɪ/In"face"ClassificationcriteriaCrosslinguisticvariations:Diphthongscanvarysignificantlyacrosslanguages,withdifferentlanguageshavingdistinctDiphthongsystemsandsoundsClassificationbasedonlanguageanddialectEnglishdiphthongs:VarybasedondifferentEnglishaccentsanddialogues,withsomediphthongsbeingmoreproposedincertainregionsClassificationcriteria02Typicaldiphthongpromotiontechniquesandexamples010204/AI/PromotionSkillsStartwithawideopen[a]soundSlideuptoaclose[i]soundKeepyourmouthopenthroughthediphthongExamplewords:"time","life","like"03Startwithanopen[a]soundRoundyourlipsandslideuptoaclose[u]soundYourmouthshouldbeopenatthebeginningandclosedattheendExamplewords:"out","loud","now"01020304/Au/PronunciationSkillsStartwithawideopen[e]soundYourmouthshouldbeopenatthebeginningandclosedattheendSlideuptoaclose[i]soundExamplewords:"name","lake","make"/EI/PromotionSkillsStartwithanopen[o]soundandslideuptoaclose[i]sound/OI/asin"boy"or"toy"Startwithaclose[i]soundandslidedowntoaschwa[Ə]Sound/IƏ/Asin"here"or"before"Startwithanopen[e]soundandslidedowntoaschwa[Ə]Sound/EƏ/Asin"air"or"fair"Startwithaclose[u]soundandslidedowntoaschwa[Ə]Sound/UƏ/Asin"tour"or"poor"Othercommondiphthongassociations03ThecombinationrulesandexamplesofconsonantsanddiphthongsConsonantscommonlyprecedediphthongsInEnglishphonetics,diphthongsaretypicallyprecededbyconsultantsThiscombinationcreatesasmoothtransitionfromcoherenttovowelsoundsConsistentclustersSometimes,twoormoreconsonantsmayoccurtogetherbeforeadiphthongThesecongruentclustersrequirespecialattentiontopromotionDiphthongvariationsDiphthongscanoccurindifferentforms,suchasopen,closed,orcentralized,dependingontheadvertisingconsultantsandthepositionoftheDiphthonginawordThecombinationpatternofconsonantsanddiphthongs/Au/asin"out"/Ei/asin"cake"/Uə/Asin"tour"/Oi/asin"boy"/Ai/asin"time"CommonexamplesofconsonantanddiphthongcombinationsCorrectvoicesoundsIt'simportanttopromotetheindividualvoicesoundswithinadiphthongcorrectlyEachvowelsoundshouldbedistinctandnotmergedintoasinglesoundSmoothtransitionWhenpromotingaconsonantfollowingbyadiphthong,thereshouldbeasmoothtransitionfromtheconsonanttothediphthongAvoidanybreakbreaksorpausesbetweenthesoundsStressandintroductionPayattentiontostressandintroductionwhenpromotingwordswithdiphthongsThestressandintegrationpatternscanaffectthepromotionofthediphthongandtheoverallmeaningofthewordPronunciationpreparations04ApplicationofdiphthongsinwordsandcaseanalysisDiphthongscanoccurinthebeginning,middle,orendofawordTheyareformedbythecombinationoftwovowelsoundswithinasingleumbrellaThefirstswellsoundisusuallylongandstrong,whilethesecondswellsoundisshortandweakThepositionofdiphthongsinaword

Casestudy:TheuseofdiphthongsindifferentwordsExample1"Out"-thediphthong"ou"occurrencesinthemiddleofthewordandisproposedas/aʊ/.Example2"Idea"-thediphthong"ea"occurrencesintheendofthewordandisproposedas/ɪˈDiːə/.Example3"Height"-thediphthong"ei"occurrencesinthebeginningofthewordandisproposedas/haɪT/Suggestionforpracticingwordpromotion01Listentonativespeakersandinitiatetheirpromotion02Practicereadingwordswithdiphthongsalready,focusingonthecorrectpronunciationofeachvoicesoundwithinthediphthong03Recordyourreadingwordswithdiphthongsandcompareyourpronunciationtothatofnativespeakers04Useonlineresourcesorappstopracticeandimproveyourpromotion05Therulesandexamplesofdiphthongintroductionchangesinsenses010203RisingdiphthongintroductionTypicaloccurrencesinyes/noquestions,indicatinguncertaintyorpolarityForexample,"Areyoucomingwithme?"FallingdiphthongintroductionCommonlyusedinstatementsandcommands,conveyingcertificateorauthorityForinstance,"I'mgoingtothestore."RisingfallingdiphthongintroductionAfterfoundinwhquestions,expressingcurvatureoremphasisForexample,"Whereareyougoing?"ThevariationpatternofdiphthongintroductioninsensesSentence101"Hesawasawandthoughtitwasaknife."Sentence202"Shesellsseashellsbytheseashore."(Risingfallingdiphthongon"sells"andfallingdiphthongon"seashore"toemphasizetheactionandlocation.)Sentence303"Canyoucanacanasacancancanacan?"Casestudy:ChangesindiphthongintroductionindifferentsensesSuggestionforpracticingpresencepromotionListentonativespeakers:ExposeyourselftonativeEnglishspeakerstofamiliarizeyourselfwithnaturaldiphthongintroductionpatternsRecordyourself:PracticespeakingintentionswithdiphthongsandrecordyourpromotionCompareitwithnativespeakerrecordstoidentifyareasforimprovementFocusonstressandintroduction:PayattentiontowordstressandpresenceintroductionwhenpracticingdiphthongpromotionThiswillhelpyousoundmorenaturalandfluentPracticeincontext:Incorporatediphthongrichsensesintoyourdailyconversationsorpracticeroutestoreviseproperenrollmenthabits06Summary,Review,andExtensionDefinitionofdiphthongsAdiphthongisaglidingvowelsoundformedbythecombinationoftwovowelsoundswithinasingleumbrellaTypesofdiphthongsTherearethreetypesofdiphthongsinEnglish-closingdiphthongs,centraldiphthongs,andopeningdiphthongsEachtypehasitsownuniquesoundandpromotionrulesPromotiontipsTopromotediphthongscorrectly,itisimportanttoglidesmoothlyfromonevoicesoundtothenextwithinasinglesloganPracticemakesperfect,soitisrecommendedtopracticepromotingdiphthongsregularlySummaryandReviewofKeyKnowledgePoints要点三ProgressreportIhavemadesignificantprogressinunderstandingandpromotingdiphthongsIamabletoidentifyandcorrectlypromotemostdiphthongsinEnglishwords要点一要点二ChallengesfacedOnechallengeIfacedwasdifferentiatingbetweensimilarsoundingdiphthongsHowever,withpracticeandattentiontodetail,Ihavebeenable