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href="http://m.cdcfah.com/">首頁?<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)播臺(tái)系統(tǒng) 深圳市中科致遠(yuǎn)供應(yīng)</p><div id="3hdjxd5" class="leftbox clearfix"><h1>導(dǎo)播臺(tái)系統(tǒng) 深圳市中科致遠(yuǎn)供應(yīng)</h1><div id="pdrp7fn" class="proBig"><div id="zzxn3fv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973731181641/6706964.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ddjzftr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973731181641/6706964.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xn7txdb" 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)播臺(tái)系統(tǒng),導(dǎo)播切換臺(tái)</p><p><span>***更新：</span>2020-10-22 02:18:09</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pfdbhfl" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7vlr35v" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zl53jh5" class="box"><p><p style="text-indent:25px">隨著流媒體高科技產(chǎn)品技術(shù)不斷發(fā)展，網(wǎng)絡(luò)直播在各個(gè)領(lǐng)域應(yīng)用也隨著發(fā)展更加頻繁，高清導(dǎo)播臺(tái)在網(wǎng)絡(luò)直播視頻傳輸中至關(guān)重要。對于網(wǎng)絡(luò)直播來說，必備四要素——網(wǎng)絡(luò)、采集端、導(dǎo)播臺(tái)、直播平臺(tái)云服務(wù)。直播導(dǎo)播切換臺(tái)接口有SDI、HDMI、VGA等。在選擇導(dǎo)播切換臺(tái)過程中，要選擇具備專業(yè)的自主研發(fā)團(tuán)隊(duì)，并且有國家相關(guān)質(zhì)量認(rèn)證的廠家，導(dǎo)播切換臺(tái)在生產(chǎn)過程中。流程比較繁雜，所以企業(yè)生產(chǎn)規(guī)模大有具備有效快速解決技術(shù)問題。比較好可以選擇提供測試的公司，導(dǎo)播臺(tái)系統(tǒng)，導(dǎo)播臺(tái)系統(tǒng)，這樣可以根據(jù)項(xiàng)目本身的需求對產(chǎn)品各方面性能進(jìn)行測試，導(dǎo)播臺(tái)系統(tǒng)，以確保是否符合需求。導(dǎo)播切換臺(tái)的劃像又稱為掃換、電子拉幕或分畫面特技。導(dǎo)播臺(tái)系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="導(dǎo)播臺(tái)系統(tǒng),導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973731181641/6706964.png"></div><p style="text-indent:25px">導(dǎo)播切換臺(tái)是電臺(tái)主持人的助手，幫助電臺(tái)主持人接聽聽眾電話，并選取電話接入直播間；幫助電臺(tái)主持人撥通嘉賓電話，并將電話接入直播間；幫助電臺(tái)主持人過濾掉和節(jié)目無關(guān)的電話、*擾電話、與國家法律法規(guī)相違背的電話；幫助電臺(tái)主持人抽取短信平臺(tái)幸運(yùn)聽眾；幫助電臺(tái)主持人記錄聽眾電話；提醒電臺(tái)主持人電話接收和掛斷；幫助電臺(tái)主持人在節(jié)目出現(xiàn)問題時(shí)和技術(shù)部門聯(lián)系；幫助電臺(tái)主持人處理直播間外的其它事情。導(dǎo)播切換臺(tái)有專門的導(dǎo)播間，一般與直播間相鄰，能直接觀察直播間的一舉一動(dòng)。導(dǎo)播切換臺(tái)一般通過電子傳話器與主持人進(jìn)行溝通和聯(lián)系。導(dǎo)播切換臺(tái)是電臺(tái)主持人的必要助手。導(dǎo)播臺(tái)系統(tǒng)導(dǎo)播切換臺(tái)的訊道監(jiān)視器，專門用來顯示各信號(hào)源圖象，供導(dǎo)播監(jiān)視用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="導(dǎo)播臺(tái)系統(tǒng),導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973124755859/3036531.png"></div><p style="text-indent:25px">導(dǎo)播切換臺(tái)-鍵信號(hào)：鍵信號(hào)應(yīng)該被看作一個(gè)視頻信號(hào)，并且包含有與它所處理的視頻信號(hào)相同的所有信息(復(fù)合同步信號(hào)、復(fù)合消隱信號(hào)和色同步信號(hào)) ;黑電平表示全透明，白電平表示不透明，黑和白之間的值表示部分透明，電平級(jí)差與所處理的視頻信號(hào)的電平級(jí)差相同。鍵信號(hào)的色度分量應(yīng)該置0。數(shù)字鍵信號(hào)的取樣頻率應(yīng)該與ITU-R601標(biāo)準(zhǔn)中亮度信號(hào)的取樣頻率相同，且電平的量化級(jí)數(shù)也應(yīng)該與亮度信號(hào)-樣，8比特量化時(shí)在16~235級(jí)之間，其傳輸接口應(yīng)該像ITU-R BT.656標(biāo)準(zhǔn)中的亮度信號(hào)一樣并行或串行傳輸，無用的色差信號(hào)置為消隱電平級(jí)(128級(jí)， 8比特量化時(shí))。</p><p style="text-indent:25px">網(wǎng)絡(luò)導(dǎo)播切換臺(tái)將視頻導(dǎo)播后用RTMP協(xié)議將視頻流推送到流媒體服務(wù)器。直播導(dǎo)播切換臺(tái)一般都支持RTP/RTSP/RTMP/ONVIF協(xié)議，這樣可以方便直接對接相應(yīng)的視頻服務(wù)端軟件，目前主要的視頻直播協(xié)議是RTMP協(xié)議，應(yīng)用RTMP做網(wǎng)絡(luò)直播具有穩(wěn)定性強(qiáng)的特點(diǎn)，是非常適合網(wǎng)絡(luò)直播的。直播導(dǎo)播切換臺(tái)接口有SDI、HDMI、VGA等幾種，其中HDMI接口傳輸?shù)囊曨l和音頻信號(hào)是無壓縮的，而不需要進(jìn)行來回的數(shù)模轉(zhuǎn)換，能保證信號(hào)質(zhì)量，另外它還不需要單獨(dú)的數(shù)字音頻接線，能夠同時(shí)傳輸視頻和音頻信號(hào)，隨著發(fā)展，將會(huì)取代其它信號(hào)接口，成為主流。導(dǎo)播切換臺(tái)在電視屏幕上表現(xiàn)為一個(gè)畫面迅速變換成另一個(gè)畫面，這種切換方式通常稱為快切，又稱為硬切換。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="導(dǎo)播臺(tái)系統(tǒng),導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973259316406/7137136.png"></div><p style="text-indent:25px">導(dǎo)播切換臺(tái)是用于多攝像機(jī)演播室或外景制作，通過切、疊畫、劃像來連接所選視頻，進(jìn)而創(chuàng)作和嵌入其他特技來完成節(jié)目制作的設(shè)備。導(dǎo)播切換臺(tái)的主要功能是給及時(shí)編輯提供方便，選擇各種視頻素材并通過過渡技巧將他們依次連接起來。導(dǎo)播切換臺(tái)的基本功能是：（1）從幾個(gè)視頻輸入中選擇一個(gè)合適的視頻素材；（2）在兩個(gè)視頻素材之間選擇基本轉(zhuǎn)換；（3）創(chuàng)造或接入特技。有些切換臺(tái)可以自動(dòng)根據(jù)節(jié)目的視頻轉(zhuǎn)換節(jié)目的音頻，稱為AFV功能。導(dǎo)播切換臺(tái)的面板有若干條總線，每條總線上有若干按鈕，每個(gè)按鈕對應(yīng)一個(gè)輸入。導(dǎo)播切換臺(tái)的慢切換可分為X切換和V切換。法院庭審攝像機(jī)批發(fā)</p><p style="text-indent:25px">導(dǎo)播切換臺(tái)是對多路電視信號(hào)剪輯組合的裝置。導(dǎo)播臺(tái)系統(tǒng)</p><p style="text-indent:25px">銷售發(fā)展以來宏觀經(jīng)濟(jì)環(huán)境造成消費(fèi)者購買力下降、家電下鄉(xiāng)和以舊換新等刺激政策效應(yīng)減弱，再加上平板電腦、智能手機(jī)等移動(dòng)終端崛起對銷售市場增長空間的壓縮，導(dǎo)致國內(nèi)市場一段時(shí)間內(nèi)處于下降趨勢。相對于普通消費(fèi)類個(gè)人數(shù)碼、電腦容易因?yàn)橐苿?dòng)智能終端（包括手機(jī)和平板等）的發(fā)展而被替代，但商產(chǎn)品作為企業(yè)生產(chǎn)力重點(diǎn)工具的地位卻從未動(dòng)搖。出現(xiàn)這種差異的伏筆，甚至從十幾年前數(shù)碼、電腦開始分化為文娛終端和生產(chǎn)力工具兩大分支的時(shí)候就已經(jīng)埋下了。包含：音視頻采集卡/視頻編碼器/高清攝像機(jī)/視頻轉(zhuǎn)換器/錄播系統(tǒng)/導(dǎo)播切換臺(tái)/虛擬演播等硬件設(shè)備，并在教育錄播、導(dǎo)播系統(tǒng)、虛擬演播室、網(wǎng)絡(luò)直播系統(tǒng)、法院庭審直播等方面推出了比較成熟的軟件及系統(tǒng)解決方案。行業(yè)整體進(jìn)入市場成熟期。目前包含：音視頻采集卡/視頻編碼器/高清攝像機(jī)/視頻轉(zhuǎn)換器/錄播系統(tǒng)/導(dǎo)播切換臺(tái)/虛擬演播等硬件設(shè)備，并在教育錄播、導(dǎo)播系統(tǒng)、虛擬演播室、網(wǎng)絡(luò)直播系統(tǒng)、法院庭審直播等方面推出了比較成熟的軟件及系統(tǒng)解決方案。市場主要受企業(yè)需求的帶動(dòng)，而這些又得益于系統(tǒng)更新帶動(dòng)的硬件設(shè)備升級(jí)。預(yù)計(jì) 系統(tǒng)升級(jí)周期會(huì)持續(xù)到 2020 年，屆時(shí)升級(jí)帶動(dòng)的需求將會(huì)減少。針對我國采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)的發(fā)展?fàn)顩r來看，采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)己經(jīng)普遍的深入到企業(yè)中，在企業(yè)中己經(jīng)實(shí)現(xiàn)了辦公的信息化，但是仍然存在一些采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)發(fā)展不平衡的現(xiàn)象，但是目前采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)只是在我國的發(fā)達(dá)地區(qū)和中等發(fā)達(dá)地區(qū)所運(yùn)用，所以還有很高的可發(fā)展空間。導(dǎo)播臺(tái)系統(tǒng)</p><p style="text-indent:25px">深圳市中科致遠(yuǎn)數(shù)字技術(shù)有限公司位于深圳市寶安區(qū)西鄉(xiāng)街道寶民二路一號(hào)浩泰大廈802室。公司業(yè)務(wù)涵蓋采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于數(shù)碼、電腦行業(yè)的發(fā)展。中科致遠(yuǎn)秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1652444.html</p></div></div></div></div></div><div id="xbpl5tr" class="page-right twoColRt"><div id="hxdtr3j" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lbr5fd3" 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