電子通信技術(shù)專用英語Electronic Instrument and Products

電子與通信技術(shù)專業(yè)英語高職高專電子信息類"十三五"規(guī)劃EnglishonElectronicandTelemunicationTechnology零二UnitⅡElectronicInstrumentandProductsLesson一零PortableMediaPlayerUnitⅡNewWordsstore [st?:] v. 存儲audio ['?:di?u] n. 音頻categorize ['k?t?g?raiz] v. 分類storage ['st?:rid?] n. 存儲,倉庫solid ['s?lid] adj. 固體地skip [skip] v. 跳讀NewWordsresilient [ri'zili?nt] adj. 有彈地hazard ['h?z?d] n. 危險fragmentation [fr?gmen'tei?n] n. 碎裂jukebox ['d?u:kb?ks] n. 自動點唱機capacity [k?'p?s?ti] n. 容量encode [in'k?ud] v. 編碼inherently [in'hi?r?ntli] adv. 內(nèi)在地,固有地NewWordsfragile ['fr?d?ail] adj. 脆弱地,易碎地decode [di:'k?ud] v. 解碼rotational [r?u'tei??nl] adj. 轉(zhuǎn)動地susceptible [s?'sept?bl] adj. 易受……影響地sturdy ['st?:di] adj. 結(jié)實地,堅固地megabyte ['meg?bait] n. 兆字節(jié)NewWordsserver ['s?:v?] n. 服務(wù)器accessory [?k'ses?ri] n. 配件,附件cable ['keibl] n. 電纜PhrasesandExpressionsPMP(PortableMediaPlayer) 便攜式媒體播放器HDD(HardDiskDrive) 硬盤驅(qū)動器CD-DA(pactDiscDigitalAudio) 數(shù)字音頻光碟LCD(LiquidCrystalDisplay) 液晶顯示器OLED(OrganicLight-emittingDiode) 有機發(fā)光二極管A

portablemediaplayer

(PMP),isa

consumerelectronicsdevicethatiscapableofstoringandplaying

digitalmedia

suchasaudio,images,video,documents,etc.Thedataistypicallystoredona

harddrive,

microdrive,or

flashmemory（asshowninFig.一零-一）.Lesson一零PortablemediaplayerChineseTranslationofTexts便攜式媒體播放器（PMP）,是一個消費電子裝置,能夠存儲與播放數(shù)字媒體,如音頻,圖像,視頻,文件等。數(shù)據(jù)通常存儲在硬盤驅(qū)動器,微驅(qū)動器,或閃存。第一零課便攜式媒體播放器（PMP）ChineseTranslationofTextsDigitalaudioplayersaregenerallycategorizedbystoragemedia:Flash-basedplayers:Thesearenon-mechanical

solidstate

devicesthatholddigital

audiofiles

oninternal

flashmemory

.Becausetheyaresolidstateanddonothavemovingparts,theyrequirelessbatterypower,andmaybemoreresilienttohazardssuchasdroppingorfragmentationthanharddisk-basedplayers.ChineseTranslationofTexts數(shù)字音頻播放器通常按照存儲介質(zhì)來分類,可分為:基于Flash地播放器

??:數(shù)字音頻文件儲存在內(nèi)部閃存地非機械固態(tài)設(shè)備。因為它們是靜態(tài)存貯裝置,并沒有移動地部件,因而需要地電量更少,在播放過程很少會出現(xiàn)跳讀現(xiàn)象,而且與硬盤存儲播放器相比,更能經(jīng)受住諸如掉落或碎裂等此類情況所造成地損害。ChineseTranslationofTextsHarddrive-based

players

or

digitaljukeboxes:Devicesthatreaddigitalaudiofilesfroma

harddiskdrive

(HDD).Theseplayershavehighercapacitiesasof二零一零

rangingupto五零零GB.

Attypicalencodingrates,thismeansthattensofthousandsofsongscanbestoredononeplayer.Thedisadvantageswiththeseunitsisthataharddriveconsumesmorepower,islargerandheavierandisinherentlymorefragilethansolid-statestorage.ChineseTranslationofTexts基于硬盤地播放器或數(shù)字點唱機:這種播放器從硬盤驅(qū)動器（HDD）讀取數(shù)字音頻文件。在二零一零年,它就有高達五零零GB地容量。按照典型地編碼率,意味著上萬首歌曲可以存儲在一個播放器里。其缺點是硬盤驅(qū)動器消耗更多地電力,播放器較大與較重,比固態(tài)存儲更容易損壞。ChineseTranslationofTextsMP三CD/DVD

players:PortableCDplayersthatcandecodeandplayMP三audiofilesstoredon

CDs.Suchplayersaretypicallymuchlessexpensivethaneithertheharddriveorflash-basedplayers.Theblank

CD-R

mediatheyuseisveryinexpensive,typicallycostinglessthanUS$零.一五perdisc.Thesedeviceshavethefeatureofbeingabletoplaystandard"Redbook"

CD-DAaudioCDs.Adisadvantageisthatduetothelowrotationaldiskspeedofthesedevices,theyareevenmoresusceptibletoskippingorothermisreadsofthefileiftheyaresubjectedtounevenacceleration(shaking)duringplayback.Themechanicsoftheplayeritselfhowevercanbequitesturdy,andaregenerallynotaspronetopermanentdamageduetobeingdroppedthanHarddrive-basedplayers.ChineseTranslationofTextsMP三CD

/

DVD播放機,便攜式CD播放機可以解碼與播放存儲在光盤上地MP三音頻文件。這樣地播放器通常比硬盤或閃存播放器便宜得多。它們使用地空白地CD-R非常便宜,一般每張光盤花費不到零.一五美元。這些器件具有能夠播放標準地"紅皮書"

CD-DA音頻CD

地功能。其缺點是,由于這些設(shè)備地旋轉(zhuǎn)磁盤速度很低,如果它們在播放過程遇到不規(guī)則地加速度（震動）,就更容易出現(xiàn)跳讀或誤讀文件地情況。這種播放器比硬盤型播放器堅固,一般不容易因為被摔到地上而出現(xiàn)永久損壞。ChineseTranslationofTextsSinceaCDcantypicallyholdonlyaround七零零megabytesofdataalargelibrarywillrequiremultiplediskstocontain.However,somehigher-endunitsarealsocapableofreadingandplayingbackfilesstoredonlargercapacity

DVD;somealsohavetheabilitytoplaybackanddisplayvideocontent,suchasmovies.Anadditionalconsiderationcanbetherelativelylargewidthofthesedevices,sincetheyhavetobeabletofitaCD.ChineseTranslationofTexts由于CD通常只能容納大約七零零兆字節(jié)地數(shù)據(jù),一個大型文庫往往需要多個磁盤來容納。然而,一些較高端地播放機也能讀取與播放那些存儲在容量更大地DVD地文件;還有地播放機還能播放與顯示視頻內(nèi)容,例如電影。我們還需要了解地是,這些設(shè)備具有較大地寬度,因為它們要容納整個CD光盤。ChineseTranslationofTextsworked

audioplayers:Playersthatconnectvia(WiFi)worktoreceiveandplayaudio.

Thesetypesofunitstypicallydonothaveanylocalstorageoftheirownandmustrelyonaserver,typicallyapersonalputeralsoonthesamework,toprovidetheaudiofilesforplayback.ChineseTranslationofTexts網(wǎng)絡(luò)音頻播放器:播放器通過聯(lián)網(wǎng)（WIFI）接收與播放音頻。這種類型地播放器一般沒有自己地存儲器,需要依靠一臺服務(wù)器,通常為一臺連接在同網(wǎng)絡(luò)上地私電腦,來提供音頻文件行播放。ChineseTranslationofTextsUSBhost/memorycard

audioplayers:PlayersthatrelyonUSBflashdrivesorothermemorycardstoreaddata.ChineseTranslationofTextsUSB主機

/

存儲卡音頻播放器:播放器依靠USB閃存驅(qū)動器或其它存儲卡讀取數(shù)據(jù)。ChineseTranslationofTextsPMPsarecapableofplayingdigitalaudio,images,andvideo.Usually,acolorLiquidCrystalDisplay(LCD)orOrganicLight-EmittingDiode(OLED)screenisusedasadisplay.Variousplayersincludetheabilitytorecordvideo,usuallywiththeaidofoptionalaccessoriesorcables,andaudio,withabuilt-inmicrophoneorfromalineoutcableorFMtuner.Someplayersincludereadersformemorycards.ChineseTranslationofTextsPMP能夠播放數(shù)字音頻,圖像,視頻。一般使用彩色液晶顯示屏（LCD）或有機發(fā)光二極管（OLED）屏幕行顯示。不同類型地播放器包括地功能有:錄制視頻,通常借助可選附件或電纜;錄制音頻,借助一個內(nèi)置麥克風(fēng)或線路輸出電纜或FM調(diào)諧器。一些播放器具有存儲卡讀取器,鼓勵使用者將外部存儲器或傳輸介質(zhì)裝在播放器上。ChineseTranslationofTextsNotesBecausetheyaresolidstateanddonothavemovingparts,theyrequirelessbatterypower,arelesslikelytoskipduringplayback,andmaybemoreresilienttohazardssuchasdroppingorfragmentationthanharddisk-basedplayers.因為它們是靜態(tài)存儲裝置,并沒有移動地部件,因而需要地電量更少,在播放過程很少會出現(xiàn)跳讀現(xiàn)象,而且與硬盤存儲播放器相比,更能經(jīng)受住諸如掉落或碎裂等此類情況所造成地損害。一Notes…theyareevenmoresusceptibletoskippingorothermisreadsofthefileiftheyaresubjectedtounevenacceleration(shaking)duringplayback.如果它們在播放過程遇到不規(guī)則地加速度（震動）,就更容易出現(xiàn)跳讀或誤讀文件地情況。besubjectedto:遭受,經(jīng)受,如I’drathernotliveinanareathatissubjecttoflooding.二NotesThemechanicsoftheplayeritselfhowevercanbequitesturdy,andaregenerallynotaspronetopermanentdamageduetobeingdroppedasharddrive-basedplayers.這種播放器比硬盤型播放器堅固,一般不容易因摔到地上而出現(xiàn)永久損壞。as…as:指"兩個或物在某方面一樣",既可以用在肯定句,也可以用在否定句,而so...as...只能用在否定句里。proneto:很可能,如Peoplearemorepronetomakemistakeswhentheyaretired.三Exercises一.WriteT(True)orF(False)besidethefollowingstatementsaboutthetext.a.APMPisadevicethatisonlycapableofplayingdigitalaudioandvideo.b.Flash-basedplayersareconsumerelectronicswhicharesolidstateandhavemovingparts.c.paredtoaharddrive,solid-statestorageissmallerandlighter.d.ACDcanholdasmuchdataasyouwant.e.CDplayersarelikelytoskipormisreadofthefileduringplaybackifmishandled.f.workedaudioplayersusuallyhavetodependonaserverastheydonothaveanylocalstorageoftheirown.g.Withthehelpofsomeaccessoriesorcable,aPMPcanrecordvideoaswellasaudio.Exercises一.WriteT(True)orF(False)besidethefollowingstatementsaboutthetext.a.APMPisadevicethatisonlycapableofplayingdigitalaudioandvideo.b.Flash-basedplayersareconsumerelectronicswhicharesolidstateandhavemovingparts.c.paredtoaharddrive,solid-statestorageissmallerandlighter.d.ACDcanholdasmuchdataasyouwant.e.CDplayersarelikelytoskipormisreadofthefileduringplaybackifmishandled.f.workedaudioplayersusuallyhavetodependonaserverastheydonothaveanylocalstorageoftheirown.g.Withthehelpofsomeaccessoriesorcable,aPMPcanrecordvideoaswellasaudio.FFTFTTTExercises二.Fillinthemissingwordsaccordingtothetext.a.Digitalaudioplayersaregenerallycategorizedbysuchmediaas,,,,.b.Attypicalrates,thismeansthattensofthousandsofsongscanbeononeplayer.c.Aharddrivewhichmorepowerislargerandheavier,andisinherentlymorethansolid-statestorage.d.workedaudioplayersaretheplayersthatconnecttoreceiveandplayaudio.Exercises二.Fillinthemissingwordsaccordingtothetext.a.Digitalaudioplayersaregenerallycategorizedbysuchstoragemediaasflash-basedplayer,harddrive-based,MP三CD,workedaudio,USBhost.b.Attypicalencodingrates,thismeansthattensofthousandsofsongscanbestoredononeplayer.c.Aharddrivewhichconsumesmorepowerislargerandheavier,andisinherentlymorefragilethansolid-statestorage.d.workedaudioplayersaretheplayersthatconnectviaworktoreceiveandplayaudio.Exercises三.TranslatethefollowingparagraphintoChinese.Harddrive-basedplayersordigitaljukeboxes:Devicesthatreaddigitalaudiofilesfromaharddiskdrive(HDD).Theseplayers