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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>深圳虛擬微課系統(tǒng),導(dǎo)播切換臺(tái)</p><p><span>***更新：</span>2020-12-06 05:14:20</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="xw7gda8" 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="nhogip4" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="buryacm" class="box"><p><p style="text-indent:25px">導(dǎo)播切換臺(tái)是一種專業(yè)的視頻信號(hào)導(dǎo)播設(shè)備，它的作用非常大，可以直接連接攝像機(jī)并且對(duì)攝像機(jī)傳輸過來(lái)的視頻內(nèi)容進(jìn)行導(dǎo)播，因?yàn)樗鼛в幸粋€(gè)網(wǎng)絡(luò)接口，所以可以通過配置RTMP服務(wù)器就能直接推送視頻上網(wǎng)。是一種非常方便的網(wǎng)絡(luò)直播產(chǎn)品。依據(jù)視頻信號(hào)的不同可以分為HDMI導(dǎo)播臺(tái)、VGA導(dǎo)播臺(tái)、SDI導(dǎo)播臺(tái)。導(dǎo)播切換臺(tái)自帶網(wǎng)絡(luò)接口，可以自主完成導(dǎo)播和推送。導(dǎo)播切換臺(tái)需要配置RTMP相關(guān)的服務(wù)器地址等內(nèi)容，深圳虛擬微課系統(tǒng)，深圳虛擬微課系統(tǒng)，才能實(shí)現(xiàn)視頻推送。導(dǎo)播切換臺(tái)其**導(dǎo)播傳輸能力強(qiáng)，因此在相對(duì)較大型一點(diǎn)的視頻會(huì)議、網(wǎng)絡(luò)發(fā)布會(huì)等場(chǎng)合與高清攝像機(jī)等產(chǎn)品配合使用做網(wǎng)絡(luò)直播效果會(huì)更好，深圳虛擬微課系統(tǒng)。導(dǎo)播切換臺(tái)的切換方式可分為兩種，快切和特技切換。深圳虛擬微課系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳虛擬微課系統(tǒng),導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637336069198339844/1709747.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(wú)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))。湛江播控系統(tǒng)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳虛擬微課系統(tǒng),導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973757949219/6188531.png"></div><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(duì)于網(wǎng)絡(luò)直播來(lái)說(shuō)，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(guó) 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(cè)試的公司，這樣可以根據(jù)項(xiàng)目本身的需求對(duì)產(chǎn)品各方面性能進(jìn)行測(cè)試，以確保是否符合需求。</p><p style="text-indent:25px">高清導(dǎo)播切換臺(tái)是一套具備廣電一體機(jī)功能的軟件系統(tǒng)，可替代硬件完成切換臺(tái)、字幕機(jī)、調(diào)音臺(tái)、硬盤播出系統(tǒng)、虛擬演播廳、錄像機(jī)、線性編輯系統(tǒng)、信息電視制作系統(tǒng)等的工作，適用于活動(dòng)實(shí)況、廣電系統(tǒng)、網(wǎng)絡(luò)直播、視頻會(huì)議等的現(xiàn)場(chǎng)采編錄播和后期視頻制作、錄制，可生成MP4、TS、ASF、WMV、FLV、AVI等格式文件，為互聯(lián)網(wǎng)、教育、廣電系統(tǒng)、有關(guān)部門、企業(yè)多媒體信息化建設(shè)的推薦方案。比較多支持八個(gè)視頻輸入通道，必要時(shí)可以定制擴(kuò)展到更多的通道。設(shè)備輸入：支持通過1394/AV/HDMI/SDI/VGA采集卡，接駁各種WDM驅(qū)動(dòng)的硬件設(shè)備：攝像頭、攝像機(jī)、采集卡等。導(dǎo)播切換臺(tái)哪路信號(hào)輸出，取決于面板**的控制撥桿處在什么位置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳虛擬微課系統(tǒng),導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973498632812/7820881.png"></div><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(duì)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(wú)壓縮的，而不需要進(jìn)行來(lái)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)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。珠海醫(yī)療手術(shù)轉(zhuǎn)直播系統(tǒng)</p><p style="text-indent:25px">從導(dǎo)播切換臺(tái)的使用范圍來(lái)分類，又可分為播出用的切換臺(tái)和節(jié)目制作用的切換臺(tái)兩大類。深圳虛擬微課系統(tǒng)</p><p style="text-indent:25px">在電視導(dǎo)播這種類型的拍攝中，各臺(tái)攝像機(jī)都不掛帶。各路視頻信號(hào)通過信號(hào)線傳輸?shù)揭粋€(gè)被稱為“導(dǎo)播切換臺(tái)”的設(shè)備上。由“電視節(jié)目制作人員”操作“導(dǎo)播切換臺(tái)”根據(jù)“電視表現(xiàn)規(guī)則”從多路信號(hào)中選擇一路輸出到錄像機(jī)。這樣拍攝完成后，也就完成了電視節(jié)目的初編。在多訊號(hào)導(dǎo)播過程中，對(duì)于不同鏡頭、不同機(jī)位的選擇，也決定了影視作品的畫面呈現(xiàn)度的表現(xiàn)力。這種現(xiàn)場(chǎng)切換工作就是“導(dǎo)播”，這個(gè)進(jìn)行選擇信號(hào)的“電視節(jié)目制作人員”通常也被稱為“導(dǎo)播”。導(dǎo)播的責(zé)任是指揮“攝像師”進(jìn)行拍攝，并進(jìn)行現(xiàn)場(chǎng)切換。深圳虛擬微課系統(tǒng)</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2286180.html</p></div></div></div></div></div><div id="33d7oqu" class="page-right twoColRt"><div id="uoqs7t8" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rl7g2nc" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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