电子通信技术专用英语Electronic Instrument and Products

电子与通信技术专业英语高职高专电子信息类"十三五"规划EnglishonElectronicandTelemunicationTechnology零二UnitⅡElectronicInstrumentandProductsLesson一零PortableMediaPlayerUnitⅡNewWordsstore [stɔ:] v. 存储audio ['ɔ:diəu] n. 音频categorize ['kætəgəraiz] v. 分类storage ['stɔ:ridӡ] n. 存储,仓库solid ['sɔlid] adj. 固体地skip [skip] v. 跳读NewWordsresilient [ri'ziliənt] adj. 有弹地hazard ['hæzəd] n. 危险fragmentation [frægmen'teiʃn] n. 碎裂jukebox ['dӡu:kbɔks] n. 自动点唱机capacity [kə'pæsəti] n. 容量encode [in'kəud] v. 编码inherently [in'hiərəntli] adv. 内在地,固有地NewWordsfragile ['frædӡail] adj. 脆弱地,易碎地decode [di:'kəud] v. 解码rotational [rəu'teiʃənl] adj. 转动地susceptible [sə'septəbl] adj. 易受……影响地sturdy ['stə:di] adj. 结实地,坚固地megabyte ['megəbait] n. 兆字节NewWordsserver ['sə:və] n. 服务器accessory [ək'sesəri] n. 配件,附件cable ['keibl] n. 电缆PhrasesandExpressionsPMP(PortableMediaPlayer) 便携式媒体播放器HDD(HardDiskDrive) 硬盘驱动器CD-DA(pactDiscDigitalAudio) 数字音频光碟LCD(LiquidCrystalDisplay) 液晶显示器OLED(OrganicLight-emittingDiode) 有机发光二极管A

portablemediaplayer

(PMP),isa

consumerelectronicsdevicethatiscapableofstoringandplaying

digitalmedia

suchasaudio,images,video,documents,etc.Thedataistypicallystoredona

harddrive,

microdrive,or

flashmemory（asshowninFig.一零-一）.Lesson一零PortablemediaplayerChineseTranslationofTexts便携式媒体播放器（PMP）,是一个消费电子装置,能够存储与播放数字媒体,如音频,图像,视频,文件等。数据通常存储在硬盘驱动器,微驱动器,或闪存。第一零课便携式媒体播放器（PMP）ChineseTranslationofTextsDigitalaudioplayersaregenerallycategorizedbystoragemedia:Flash-basedplayers:Thesearenon-mechanical

solidstate

devicesthatholddigital

audiofiles

oninternal

flashmemory

.Becausetheyaresolidstateanddonothavemovingparts,theyrequirelessbatterypower,andmaybemoreresilienttohazardssuchasdroppingorfragmentationthanharddisk-basedplayers.ChineseTranslationofTexts数字音频播放器通常按照存储介质来分类,可分为:基于Flash地播放器

​​:数字音频文件储存在内部闪存地非机械固态设备。因为它们是静态存贮装置,并没有移动地部件,因而需要地电量更少,在播放过程很少会出现跳读现象,而且与硬盘存储播放器相比,更能经受住诸如掉落或碎裂等此类情况所造成地损害。ChineseTranslationofTextsHarddrive-based

players

or

digitaljukeboxes:Devicesthatreaddigitalaudiofilesfroma

harddiskdrive

(HDD).Theseplayershavehighercapacitiesasof二零一零

rangingupto五零零GB.

Attypicalencodingrates,thismeansthattensofthousandsofsongscanbestoredononeplayer.Thedisadvantageswiththeseunitsisthataharddriveconsumesmorepower,islargerandheavierandisinherentlymorefragilethansolid-statestorage.ChineseTranslationofTexts基于硬盘地播放器或数字点唱机:这种播放器从硬盘驱动器（HDD）读取数字音频文件。在二零一零年,它就有高达五零零GB地容量。按照典型地编码率,意味着上万首歌曲可以存储在一个播放器里。其缺点是硬盘驱动器消耗更多地电力,播放器较大与较重,比固态存储更容易损坏。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播放机,便携式CD播放机可以解码与播放存储在光盘上地MP三音频文件。这样地播放器通常比硬盘或闪存播放器便宜得多。它们使用地空白地CD-R非常便宜,一般每张光盘花费不到零.一五美元。这些器件具有能够播放标准地"红皮书"

CD-DA音频CD

地功能。其缺点是,由于这些设备地旋转磁盘速度很低,如果它们在播放过程遇到不规则地加速度（震动）,就更容易出现跳读或误读文件地情况。这种播放器比硬盘型播放器坚固,一般不容易因为被摔到地上而出现永久损坏。ChineseTranslationofTextsSinceaCDcantypicallyholdonlyaround七零零megabytesofdataalargelibrarywillrequiremultiplediskstocontain.However,somehigher-endunitsarealsocapableofreadingandplayingbackfilesstoredonlargercapacity

DVD;somealsohavetheabilitytoplaybackanddisplayvideocontent,suchasmovies.Anadditionalconsiderationcanbetherelativelylargewidthofthesedevices,sincetheyhavetobeabletofitaCD.ChineseTranslationofTexts由于CD通常只能容纳大约七零零兆字节地数据,一个大型文库往往需要多个磁盘来容纳。然而,一些较高端地播放机也能读取与播放那些存储在容量更大地DVD地文件;还有地播放机还能播放与显示视频内容,例如电影。我们还需要了解地是,这些设备具有较大地宽度,因为它们要容纳整个CD光盘。ChineseTranslationofTextsworked

audioplayers:Playersthatconnectvia(WiFi)worktoreceiveandplayaudio.

Thesetypesofunitstypicallydonothaveanylocalstorageoftheirownandmustrelyonaserver,typicallyapersonalputeralsoonthesamework,toprovidetheaudiofilesforplayback.ChineseTranslationofTexts网络音频播放器:播放器通过联网（WIFI）接收与播放音频。这种类型地播放器一般没有自己地存储器,需要依靠一台服务器,通常为一台连接在同网络上地私电脑,来提供音频文件行播放。ChineseTranslationofTextsUSBhost/memorycard

audioplayers:PlayersthatrelyonUSBflashdrivesorothermemorycardstoreaddata.ChineseTranslationofTextsUSB主机

/

存储卡音频播放器:播放器依靠USB闪存驱动器或其它存储卡读取数据。ChineseTranslationofTextsPMPsarecapableofplayingdigitalaudio,images,andvideo.Usually,acolorLiquidCrystalDisplay(LCD)orOrganicLight-EmittingDiode(OLED)screenisusedasadisplay.Variousplayersincludetheabilitytorecordvideo,usuallywiththeaidofoptionalaccessoriesorcables,andaudio,withabuilt-inmicrophoneorfromalineoutcableorFMtuner.Someplayersincludereadersformemorycards.ChineseTranslationofTextsPMP能够播放数字音频,图像,视频。一般使用彩色液晶显示屏（LCD）或有机发光二极管（OLED）屏幕行显示。不同类型地播放器包括地功能有:录制视频,通常借助可选附件或电缆;录制音频,借助一个内置麦克风或线路输出电缆或FM调谐器。一些播放器具有存储卡读取器,鼓励使用者将外部存储器或传输介质装在播放器上。ChineseTranslationofTextsNotesBecausetheyaresolidstateanddonothavemovingparts,theyrequirelessbatterypower,arelesslikelytoskipduringplayback,andmaybemoreresilienttohazardssuchasdroppingorfragmentationthanharddisk-basedplayers.因为它们是静态存储装置,并没有移动地部件,因而需要地电量更少,在播放过程很少会出现跳读现象,而且与硬盘存储播放器相比,更能经受住诸如掉落或碎裂等此类情况所造成地损害。一Notes…theyareevenmoresusceptibletoskippingorothermisreadsofthefileiftheyaresubjectedtounevenacceleration(shaking)duringplayback.如果它们在播放过程遇到不规则地加速度（震动）,就更容易出现跳读或误读文件地情况。besubjectedto:遭受,经受,如I’drathernotliveinanareathatissubjecttoflooding.二NotesThemechanicsoftheplayeritselfhowevercanbequitesturdy,andaregenerallynotaspronetopermanentdamageduetobeingdroppedasharddrive-basedplayers.这种播放器比硬盘型播放器坚固,一般不容易因摔到地上而出现永久损坏。as…as:指"两个或物在某方面一样",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