英语语音中的同化.ppt

SoundchangesinconnectedspeechLiaisonputitincompleteplosionboo(k)casestrongandweakformsofwordsSomepeoplelikeitbutothersdon`t.Assimilation•Definition•Classificationofassimilation•RulesofassimilationDefinitionAssimilationInconnectedspeech,undertheinfluenceoftheneighbors,soundsarereplacedbyanothersound.Sometimestwoneighboringsoundsinfluenceeachotherandarereplacedbyathirdsoundwhichisdifferentfromboththeoriginalsounds.Itiscalledassimilation.SoundasoundbcSoundabsoundUndertheinfluenceoftheneighborsounds,onesoundchangestoanother.eg.newspaper[z][s]newspaper[nju:speip]Astheresultoftheneighboringsounds,thereformsanewsoundwhichisdifferentfromtheoriginaltwo.eg.missyou[s]+[j]----[]Classification---cf/ci---ifcfchangesintoci,cieffectscfRegressiveassimilation逆同化used[d][t]toused[tt]toifcichangestocf,cfeffectsci---cf/ci---Progressiveassimilation顺同化thetwosoundsinfluenceeachother,andthenformanewone.----coalescent,double,reciprocalsitu`ation/t/+/j/---/t/lastyear,nextyardI’mgladetomeetyou.education，schedulewouldyou,holdyou/d/+/j/---/d/`studentRulesofassimilationA.voicedvoicelesshave/v//t/tohaveto/hftu/B.[n][m]ten[tem`minits]minutes[t][p]rightplace[raippleis][d][b]good-bye[gubbai]c.[s]+[j]–thisyear[z]+[j]–where’syours/t/+/j/---/t//d/+/j/---/d/[s]和[z]与[∫]相邻时,[s]和[z]受了邻音[∫]的影响变成了[∫]或[ӡ]音例如：Doesshelikeit?.[dΛ∫(ӡ)∫ilaikit?]又如：Pleaseshowmetheway.[pli:ӡ∫әumiðәwei.]歌曲中的同化现象JazzChant练习阅读练习同化现象是发音中的一种自然趋势,不可造作,在熟练而准确掌握发音之前最好不要刻意追求音的同化,否则容易影响发音的准确性,让人听不懂。Passagereading1:Itissaidintheyearof300AD,therewasakindol(d)manandhisnamewasSain(t)Nicholas.Hewasalwaysreadytohel(p)thepoorandoftengavepresentstothem.Today,FatherChristmasisanimaginaryfigure,butnearlyallyoungchildrenbelieveinhim.Theythinkheisahappyol(d)manwithalongwhi(te)beardandalongredrobe.Onthenightofthetwenty-fourtho(f)Decembereachyear,FatherChristmasfromsomecol(d)northernlandcomesdownthechimneyofthefireplacetopu(t)presentsbythebedsofchildrenortofilltheirstockings.Sowhenchildrengotobedtha(t)night,theyhangu(p)theirstockings,andonChristmasmorningtheywaketofin(d)themfullofpresents.Ofcourse,it'sreallytheirparentswhofillthestockings.Thechildrenbelievethattheywouldgetmoregiftsnextyear.Passagereading2:Inthetraffi(c)courtofalargemid-westerncity,ayoungladywasbrough(t)beforethejudgetoansweraticketfordrivingthrougharedlight.Sheexplain(ed)tohishonorthatshewasaschoolteacherandrequestedanimmediatedisposalofhercaseinorderthatshemighthastenontoherclasses.Awil(d)gleamcameintothejudge'seye.Youareaschoolteacher,eh?saidhe.Madam,Ishallrealizemylifelongambition.Si(t)downatthattableandwrite'Iwen(t)througharedlight'fivehundr(ed)times.BeingATeacherCreateclassactivities