多機(jī)位直播設(shè)備生產(chǎn)廠深圳市中科致遠(yuǎn)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="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"><meta name="keywords" content="多機(jī)位直播設(shè)備生產(chǎn)廠,導(dǎo)播切換臺(tái)"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kz78h2s" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973328750000/7181081.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sbdace7" 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>多機(jī)位直播設(shè)備生產(chǎn)廠,導(dǎo)播切換臺(tái)</p><p><span>***更新：</span>2020-11-11 07:19:47</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="x7rg8mt" 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="m3roqxp" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="z7oqsul" class="box"><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(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，多機(jī)位直播設(shè)備生產(chǎn)廠、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，多機(jī)位直播設(shè)備生產(chǎn)廠，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)，多機(jī)位直播設(shè)備生產(chǎn)廠，隨著發(fā)展，將會(huì)取代其它信號(hào)接口，成為主流。小型導(dǎo)播切換臺(tái)上有五種特技方式可供采用。多機(jī)位直播設(shè)備生產(chǎn)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多機(jī)位直播設(shè)備生產(chǎn)廠,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973328750000/7181081.png"></div><p style="text-indent:25px">對(duì)切換臺(tái)的技術(shù)要求對(duì)模擬切換臺(tái)的技術(shù)要求主要是:①具有足夠的視頻帶寬，對(duì)于PAL制而言，應(yīng)滿足6MHz帶寬;②各信道間的串?dāng)_應(yīng)盡量小;③韭線性失真小。微分增益失真DGS0.5%，微分相位失真DPS0.2°;④亮度色度增益差不超過(guò)士1%，亮度色度時(shí)延差S士10ns;⑤企入增益為1; ⑥切換穩(wěn)定可靠。導(dǎo)播切換臺(tái)主要由輸入切換矩陣、混合/效果放大器、特技效果發(fā)生器、下游鍵處理與混合器、同步信號(hào)發(fā)生器及控制電路等幾部分組成。下圖為比較基本的導(dǎo)播切換臺(tái)原理框圖。高清醫(yī)療錄像機(jī)多少錢導(dǎo)播切換臺(tái)的每個(gè)按鈕表示一個(gè)不同的視頻輸入。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多機(jī)位直播設(shè)備生產(chǎn)廠,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637336069198339844/1709747.png"></div><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。</p><p style="text-indent:25px">導(dǎo)播切換臺(tái)是以一整套設(shè)備連結(jié)為一個(gè)拍攝和編輯系統(tǒng)，進(jìn)行現(xiàn)場(chǎng)拍攝和現(xiàn)場(chǎng)編輯的節(jié)目生產(chǎn)方式。導(dǎo)播切換臺(tái)多路攝像機(jī)信號(hào)采集—本地視頻導(dǎo)入支持兩路的視頻源導(dǎo)入。可實(shí)時(shí)添加多個(gè)本地輸入，視頻循環(huán)模式可選，暫停，以及播放下個(gè)視頻。導(dǎo)播切換臺(tái)設(shè)置按鈕—摳像設(shè)置、采集設(shè)置、直播設(shè)置編輯、視頻素材編輯功能、音頻設(shè)置。導(dǎo)播切換臺(tái)一鍵錄制—高清采集，本地視頻加載、本地音頻加載。導(dǎo)播切換專場(chǎng)***—漸變、左進(jìn)入、右進(jìn)入、圓形、方形。導(dǎo)播切換臺(tái)現(xiàn)場(chǎng)制作時(shí)，多臺(tái)攝象機(jī)的視頻信號(hào)全都送現(xiàn)場(chǎng)，在現(xiàn)場(chǎng)即時(shí)進(jìn)行剪輯。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多機(jī)位直播設(shè)備生產(chǎn)廠,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)同步信號(hào)發(fā)生器：同步信號(hào)發(fā)生器在導(dǎo)播切換臺(tái)中主要完成以下幾種功能:①為黑場(chǎng)發(fā)生器、彩底發(fā)生器等提供基準(zhǔn)信號(hào)。其中黑場(chǎng)和彩底信號(hào)可作為字幕、邊框著色或換幕等使用。②受演播中心的同步機(jī)控制并與之，同步鎖相。③在沒(méi)有演播中心同步機(jī)的系統(tǒng)中，通過(guò)黑場(chǎng)發(fā)生器產(chǎn)生的黑場(chǎng)信號(hào)，為信號(hào)源的同步機(jī)、時(shí)基校正器等提供基準(zhǔn)并與它們同步鎖相。有些導(dǎo)播切換臺(tái)沒(méi)有同步信號(hào)發(fā)生器，需要外接同步機(jī)才能工作。在數(shù)字切換臺(tái)中，同樣需要模擬切換臺(tái)上的同步信號(hào)發(fā)生器，這是因?yàn)樵跀?shù)字系統(tǒng)中仍然使用的模擬同步信號(hào)作為時(shí)間基準(zhǔn)。導(dǎo)播切換臺(tái)兩個(gè)將要進(jìn)行特技變化的信號(hào)，可以分別在兩個(gè)線排上確定。多機(jī)位直播設(shè)備生產(chǎn)廠</p><p style="text-indent:25px">導(dǎo)播切換臺(tái)的疊畫是兩個(gè)影像互相重疊或混合的過(guò)程，疊畫通常使用推桿來(lái)完成。多機(jī)位直播設(shè)備生產(chǎn)廠</p><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(tīng)聽(tīng)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(guò)濾掉和節(jié)目無(wú)關(guān)的電話、*擾電話、與國(guó) 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(tīng)眾；幫助電臺(tái)主持人記錄聽(tīng)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(wèn)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(guò)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。多機(jī)位直播設(shè)備生產(chǎn)廠</p><p style="text-indent:25px">深圳市中科致遠(yuǎn)數(shù)字技術(shù)有限公司主要經(jīng)營(yíng)范圍是數(shù)碼、電腦，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。中科致遠(yuǎn)致力于為客戶提供良好的采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事數(shù)碼、電腦多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。中科致遠(yuǎn)憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/1943367.html</p></div></div></div></div></div><div id="cbdahtv" class="page-right twoColRt"><div id="3nzgifw" class="box01 margin10 clearfix"><h3><a 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