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href="http://m.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="2833h3v" class="twoCol"><div id="4djaryu" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_cmgd/">傳媒、廣電</a>?<a href="http://m.cdcfah.com/cp/second-cmgd_bjzzsb/">編輯制作設(shè)備</a>?<a href="http://m.cdcfah.com/cp/third-bjzzsb_tjqht/">特技切換臺(tái)</a>?導(dǎo)播切換品牌深圳市中科致遠(yuǎn)供應(yīng)</p><div id="kdf3pjf" class="leftbox clearfix"><h1>導(dǎo)播切換品牌深圳市中科致遠(yuǎn)供應(yīng)</h1><div id="qeqsubi" class="proBig"><div id="8ubsuvc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973681591797/5289310.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="12tbht2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973681591797/5289310.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ld7v48y" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>導(dǎo)播切換品牌,導(dǎo)播切換臺(tái)</p><p><span>***更新：</span>2020-12-20 03:09:45</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="12wievm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市中科致遠(yuǎn)數(shù)字技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>彭先生</p><p><span>郵箱: </span>SZKCE@126.COM</p><p><span>電話(huà): </span>13267148828</p><p><span>傳真: </span>0755_66632010</p><p><span>網(wǎng)址: </span>https://www.yuanvideo.com</p><p><span>手機(jī): </span>0755-66632010</p><p><span>地址: </span>深圳市寶安區(qū)西鄉(xiāng)街道寶民二路一號(hào)浩泰大廈802室 </p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="6hsulmd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="57izqxt" class="box"><p><p style="text-indent:25px">導(dǎo)播切換臺(tái)系統(tǒng)正是在這種背景下而誕生的，它作為教學(xué)的物理過(guò)程與信息化、網(wǎng)絡(luò)化教學(xué)轉(zhuǎn)換的橋梁性設(shè)備，在信息化教學(xué)過(guò)程中凸顯其重要性，它智能化的將教學(xué)的物理過(guò)程轉(zhuǎn)化為“可視化”和“標(biāo)準(zhǔn)化”的數(shù)字信息，并在無(wú)處不在的網(wǎng)絡(luò)進(jìn)行專(zhuān)項(xiàng)的傳輸或無(wú)限的開(kāi)放，導(dǎo)播切換品牌，導(dǎo)播切換品牌，使寶貴的教學(xué)資源可以達(dá)到普遍的共享，教師和學(xué)生不僅可在網(wǎng)絡(luò)上“零”距離觀看和聆聽(tīng)教師的遠(yuǎn)程授課，實(shí)時(shí)分享的教育資源，而且還可以實(shí)現(xiàn)教學(xué)端和教學(xué)端之間的遠(yuǎn)程互動(dòng)教學(xué)模式，在校際間遠(yuǎn)程的完成同課異構(gòu)的互動(dòng)教學(xué)研討，登錄教育資源網(wǎng)站即可查找、瀏覽、在線(xiàn)學(xué)習(xí)和下載各種資源進(jìn)行自主學(xué)習(xí)等，鑒于導(dǎo)播切換臺(tái)系統(tǒng)作為物理過(guò)程向信息化、網(wǎng)絡(luò)教學(xué)轉(zhuǎn)換的橋梁性基礎(chǔ)設(shè)備，必將在現(xiàn)代教育不斷走向信息化的時(shí)代發(fā)揮著重要的作用，必將在實(shí)現(xiàn)教育資源的均衡發(fā)展以及使“班與班”之間，導(dǎo)播切換品牌、“校與?！敝g、“家與?！敝g構(gòu)建整體學(xué)習(xí)環(huán)境的目標(biāo)中扮演著重要的角色，具有無(wú)比強(qiáng)大的生命力。導(dǎo)播切換臺(tái)的基本功能是從幾個(gè)視頻輸入中選擇一個(gè)合適的視頻素材。導(dǎo)播切換品牌</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="導(dǎo)播切換品牌,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973681591797/5289310.png"></div><p style="text-indent:25px">導(dǎo)播切換臺(tái)-其他鍵控特技：陰影鍵和深度鍵。陰影鍵就是--種能給前景圖像任意添加陰影效果的鍵控技術(shù)。陰影鍵一般用于內(nèi)鍵或色鍵中，一種比較簡(jiǎn)單的方法就是在前景圖像及鍵源進(jìn)行處理后，產(chǎn)生出鍵信號(hào)及經(jīng)過(guò)鍵控處理的前景信號(hào)，接著用彩底或其它信號(hào)填充未被前景圖像占據(jù)的屏幕區(qū)域。然后調(diào)整由前景圖像生成的鍵信號(hào)，一般是對(duì)鍵信號(hào)的位置做適當(dāng)?shù)恼{(diào)整后再與原鍵信號(hào)相加。這樣，摳出的前景圖像上除了圖像本身還有背景彩底，調(diào)節(jié)背景彩底的亮度、色度，就可得到各種不同的陰影效果。導(dǎo)播切換品牌在互聯(lián)網(wǎng)時(shí)代蓬勃發(fā)展的現(xiàn)在，網(wǎng)絡(luò)直播型導(dǎo)播切換臺(tái)產(chǎn)品應(yīng)時(shí)而生。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="導(dǎo)播切換品牌,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973576250000/8333152.png"></div><p style="text-indent:25px">導(dǎo)播切換臺(tái)導(dǎo)演一項(xiàng)主要工作就是善于捕捉精彩精彩畫(huà)面與瞬間，舞臺(tái)上發(fā)生的“串幫”、或演員失誤都應(yīng)調(diào)度好機(jī)位，及時(shí)避免，特別在轉(zhuǎn)播魔術(shù)類(lèi)節(jié)目時(shí)，由于其節(jié)目的特殊性，應(yīng)盡量避開(kāi)魔術(shù)師的“串幫”動(dòng)作，選取魔術(shù)似的中遠(yuǎn)景鏡頭，做到電視畫(huà)面與舞臺(tái)表演相互“補(bǔ)臺(tái)”。電視是一項(xiàng)群體工作的**，需要各方面工作人員的密切配合、相互提醒。導(dǎo)播切換臺(tái)導(dǎo)演與攝像、字幕、現(xiàn)場(chǎng)導(dǎo)演的默契配合是成功進(jìn)行藝術(shù)再創(chuàng)作的保證，他們既要配合默契又要相互理解和提醒：有時(shí)現(xiàn)場(chǎng)演出會(huì)遇到臨時(shí)更換節(jié)目或突發(fā)事件，就需電視切換導(dǎo)演與現(xiàn)場(chǎng)導(dǎo)演之間密切配合，及時(shí)溝通調(diào)整；節(jié)目唱詞的結(jié)束也標(biāo)志著節(jié)目的結(jié)束，字幕員可以提醒切換導(dǎo)演該節(jié)目即將結(jié)束；攝像師送來(lái)一個(gè)很有創(chuàng)意的鏡頭，可以提醒切換導(dǎo)演，由于切換導(dǎo)演的整體構(gòu)思暫時(shí)沒(méi)有用到，你也要經(jīng)受得住“委屈”，假如幾個(gè)回合下來(lái)還沒(méi)有派上用場(chǎng)，這時(shí)你千萬(wàn)別再堅(jiān)持，先尊重切換導(dǎo)演的構(gòu)思和選擇。</p><p style="text-indent:25px">打包切換臺(tái)視頻開(kāi)關(guān)的特點(diǎn)：視頻開(kāi)關(guān)是一種直流控制的電子開(kāi)關(guān)，但又有別于普通的電子開(kāi)關(guān)，其特點(diǎn)有以下幾點(diǎn):(1)開(kāi)關(guān)特性好。導(dǎo)通時(shí)頻帶足夠?qū)?對(duì)于模擬視頻信號(hào)，要求開(kāi)關(guān)的帶寬為6MHz)、衰減小、線(xiàn)性好，能夠無(wú)畸變地傳送視頻信號(hào);當(dāng)斷開(kāi)時(shí)，泄漏要小。(2)輸入阻抗高，輸出阻抗低。(3)輸出與輸入信號(hào)之間沒(méi)有直流電平的跳變。(模擬視頻開(kāi)關(guān)要求)(4)開(kāi)關(guān)速度快。視頻開(kāi)關(guān)應(yīng)能夠以極為快速的速度進(jìn)行切換，切換過(guò)渡過(guò)程以微秒級(jí)計(jì)算。為了能正確切換，在進(jìn)入視頻開(kāi)關(guān)之前也需要對(duì)數(shù)字視頻信號(hào)進(jìn)行相應(yīng)的處理。嵌入式導(dǎo)播切換臺(tái)，性能穩(wěn)定奧頓A15采用嵌入式設(shè)計(jì)架構(gòu),性能更穩(wěn)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="導(dǎo)播切換品牌,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973757949219/6188531.png"></div><p style="text-indent:25px">對(duì)輸入導(dǎo)播切換臺(tái)的信號(hào)要求：目前的數(shù)字視頻信號(hào)幾乎采用分量信號(hào)，因此輸入數(shù)字導(dǎo)播切換臺(tái)的數(shù)字信號(hào)不要求相位統(tǒng)一。另外，數(shù)字系統(tǒng)的數(shù)字再生能力很強(qiáng)，數(shù)字導(dǎo)播切換臺(tái)也如此，所以對(duì)輸入信號(hào)的幅度要求也不高，輸入信號(hào)的幅度只要滿(mǎn)足數(shù)字切換臺(tái)要求的比較低輸入幅度即可。在數(shù)字切換臺(tái)中，對(duì)輸入信號(hào)之間的時(shí)間差要求也有區(qū)別，具體要求由導(dǎo)播切換臺(tái)的性能決定。Y 般來(lái)說(shuō)，數(shù)字切換臺(tái)都有自動(dòng)輸入定時(shí)補(bǔ)償功能，自動(dòng)定時(shí)時(shí)間從十幾微秒到Y(jié) 行不等，因此，數(shù)字切換臺(tái)的輸入信號(hào)之間的時(shí)間差只要在自動(dòng)定時(shí)時(shí)間范圍內(nèi)即可。導(dǎo)播切換臺(tái)是從黑場(chǎng)變成一個(gè)圖像，黑下則是從一個(gè)正在播出的圖像變成黑場(chǎng)。導(dǎo)播切換品牌</p><p style="text-indent:25px">導(dǎo)播切換臺(tái)是兩個(gè)影像互相重疊或混合的過(guò)程，疊畫(huà)通常使用推桿來(lái)完成。導(dǎo)播切換品牌</p><p style="text-indent:25px">高清導(dǎo)播切換臺(tái)的應(yīng)用方案：網(wǎng)絡(luò)直播。網(wǎng)絡(luò)直播吸取和延續(xù)了互聯(lián)網(wǎng)的優(yōu)勢(shì)，利用視訊方式進(jìn)行網(wǎng)上現(xiàn)場(chǎng)直播，可以將產(chǎn)品展示、相關(guān)會(huì)議、背景介紹、方案測(cè)評(píng)、網(wǎng)上調(diào)查、對(duì)話(huà)訪談、在線(xiàn)培訓(xùn)等內(nèi)容現(xiàn)場(chǎng)發(fā)布到互聯(lián)網(wǎng)上，利用互聯(lián)網(wǎng)的直觀、快速，表現(xiàn)形式好、內(nèi)容豐富、交互性強(qiáng)、地域不受限制、受眾可劃分等特點(diǎn)，加強(qiáng)活動(dòng)現(xiàn)場(chǎng)的推廣效果?，F(xiàn)場(chǎng)直播完成后，還可以隨時(shí)為讀者繼續(xù)提供重播、點(diǎn)播，有效延長(zhǎng)了直播的時(shí)間和空間，發(fā)揮直播內(nèi)容的比較大價(jià)值。導(dǎo)播切換品牌</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2477949.html</p></div></div></div></div></div><div id="vfdubs8" class="page-right twoColRt"><div id="5y87iu3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="egnpbno" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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