會(huì)議錄播系統(tǒng)供貨商深圳市中科致遠(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="對(duì)輸入導(dǎo)播切換臺(tái)的信號(hào)要求：對(duì)輸入模擬導(dǎo)播切換臺(tái)的信號(hào)要求“三統(tǒng)一”，會(huì)議錄播系統(tǒng)供貨商，即時(shí)間統(tǒng)一、相位統(tǒng)-和幅度統(tǒng)一。時(shí)間統(tǒng)一就是要求參加節(jié)目制作的各圖像信號(hào)源及加工過程中各圖像之間是完全“同步”的，具體來說是指行，會(huì)議錄播系統(tǒng)供貨商、"><meta name="keywords" content="會(huì)議錄播系統(tǒng)供貨商,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><div id="w384uup" 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>會(huì)議錄播系統(tǒng)供貨商,導(dǎo)播切換臺(tái)</p><p><span>***更新：</span>2020-11-05 06:20:25</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="kszc89s" 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="f3iil8c" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3jj7s4s" class="box"><p><p style="text-indent:25px">對(duì)輸入導(dǎo)播切換臺(tái)的信號(hào)要求：對(duì)輸入模擬導(dǎo)播切換臺(tái)的信號(hào)要求“三統(tǒng)一”，會(huì)議錄播系統(tǒng)供貨商，即時(shí)間統(tǒng)一、相位統(tǒng)-和幅度統(tǒng)一。時(shí)間統(tǒng)一就是要求參加節(jié)目制作的各圖像信號(hào)源及加工過程中各圖像之間是完全“同步”的，具體來說是指行，會(huì)議錄播系統(tǒng)供貨商、場(chǎng)信號(hào)的頻率和相位要一致。對(duì)于兩個(gè)彩色信號(hào)的切換還應(yīng)保證它們的色同步嚴(yán)格同相，也即是相位統(tǒng)一。幅度統(tǒng)一指信號(hào)源的信號(hào)幅度應(yīng)該一致。根據(jù)國(guó)標(biāo)規(guī)定:視頻信號(hào)幅度的比較大值是1VPP，同步頂為-0.3V，白電平為0.7V，會(huì)議錄播系統(tǒng)供貨商。對(duì)于數(shù)字導(dǎo)播切換臺(tái)來說，由于它對(duì)輸入信號(hào)的處理方式與模擬切換臺(tái)不同，對(duì)輸入信號(hào)的要求也不相同。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。會(huì)議錄播系統(tǒng)供貨商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="會(huì)議錄播系統(tǒng)供貨商,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973757949219/6188531.png"></div><p style="text-indent:25px">彩底信號(hào)發(fā)生器用于劃像特技時(shí)的邊框著色、在下游鍵中進(jìn)行的換幕。另外，在利用外鍵特技將彩色字幕或圖形嵌入背景時(shí)彩底信號(hào)發(fā)生器可提供彩色背景。彩底信號(hào)發(fā)生器產(chǎn)生的彩色信號(hào)其色調(diào)、飽和度均可任意調(diào)整。提示電路是為節(jié)目制作、播出系統(tǒng)的完善性而設(shè)立的輔助電路，與導(dǎo)播切換臺(tái)本身的特性無關(guān)。導(dǎo)播切換臺(tái)有多路信號(hào)源，當(dāng)操作人員按下輸入矩陣的按鍵，選擇出輸入信號(hào)時(shí)，該電路與之聯(lián)動(dòng)，產(chǎn)生提示信號(hào)，一方面點(diǎn)亮信號(hào)源監(jiān)視器下的提示燈，提示操作人員參與制作的為哪幾幅圖像，另一方面通過提示系統(tǒng)點(diǎn)亮攝像機(jī)的提示燈，提示攝像師該路信號(hào)被選用，操作需細(xì)致。東莞直播攝像機(jī)導(dǎo)播切換臺(tái)的基本功創(chuàng)造或接入特技。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="會(huì)議錄播系統(tǒng)供貨商,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973328750000/7181081.png"></div><p style="text-indent:25px">導(dǎo)播臺(tái)的A母線和B母線是特技變換的預(yù)選信號(hào)線排。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。任何線排只允許一個(gè)鍵被按下，也就是說線排上只能選擇一個(gè)信號(hào)源，如果按下另一個(gè)鍵，原先按下的鍵即刻彈起來。哪路信號(hào)輸出，取決于面板**的控制撥桿處在什么位置。由于直接切換是鏡頭瞬間過渡的形式，因此只需在A母線或B母線導(dǎo)通時(shí)，根據(jù)訊道監(jiān)視器顯示的畫面內(nèi)容即可按相應(yīng)的鍵實(shí)現(xiàn)切換。小型導(dǎo)播臺(tái)上還有五種特技方式可供采用：一是慢轉(zhuǎn)換方式;二是以垂直左右劃變方式;三是以水平線上下劃變方式;四和五是以邊角方塊圖案劃變的方式。</p><p style="text-indent:25px">導(dǎo)播切換臺(tái)除了簡(jiǎn)單的切，如果還想讓導(dǎo)播切換臺(tái)進(jìn)行疊畫等功能，就需要兩條總線（通常是節(jié)目總線和預(yù)覽總線）和推桿來控制疊畫的速度，如果將推桿推到底，那么節(jié)目總線的畫面就進(jìn)入，而預(yù)覽總線的畫面就劃出，如果將推桿停在中間，就保持疊畫，形成兩個(gè)素材的疊加。更多時(shí)候，對(duì)于多ME的切換臺(tái)而言，混合總線是單獨(dú)的兩條總線，通過節(jié)目總線上的一個(gè)按鈕，將之生成的影像傳送給PGM，這個(gè)混合鍵一般位于PGM總線的比較右邊。一般將PGM/PVW總線稱為***級(jí)混合總線或1ME。導(dǎo)播切換臺(tái)特技切換是從多路輸入視頻信號(hào)中輸出以某種特定方式混合或互相取代的組合信號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="會(huì)議錄播系統(tǒng)供貨商,導(dǎo)播切換臺(tái)" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332973259316406/7137136.png"></div><p style="text-indent:25px">傳統(tǒng)的導(dǎo)播切換臺(tái)的每級(jí)均按照切、混、劃像、鍵等多功能設(shè)計(jì)，雖然具有一定的使用方便性，但并不能充分發(fā)揮它們的功能。實(shí)際使用時(shí)，經(jīng)常把某一級(jí)專做混合、劃像，其它兩級(jí)專做鍵控。這樣，一方面多功能的部分功能被浪費(fèi)，另一方面幾級(jí)導(dǎo)播切換臺(tái)還滿足不了日益增長(zhǎng)的節(jié)目制作需要。為此，許多切換臺(tái)采用了**的單元，一個(gè)單元能處理多層畫面，因此這種**的單元又叫做多層畫面放大器。**的單元的構(gòu)成，由前面所述的多級(jí)放大器組成，其中一級(jí)作混合、劃像使用，其它幾級(jí)作鍵控使用。這樣，一個(gè)**的元可以處理三到五層畫面，起到前面串接多級(jí)導(dǎo)播切換臺(tái)的作用。導(dǎo)播切換臺(tái)通過疊畫可以使兩個(gè)畫面交換更加融洽，從而達(dá)到更多的藝術(shù)效果。北京企業(yè)直播間設(shè)備</p><p style="text-indent:25px">導(dǎo)播切換臺(tái)有著以邊角方塊圖案劃變的方式的特技。會(huì)議錄播系統(tǒng)供貨商</p><p style="text-indent:25px">目前中國(guó)是全球極大的銷售產(chǎn)品生產(chǎn)區(qū)，憑借國(guó)內(nèi)區(qū)位及勞動(dòng)力優(yōu)勢(shì)，我國(guó)銷售產(chǎn)量處于全球優(yōu)先地位，據(jù)不完全統(tǒng)計(jì)，我國(guó)行業(yè)產(chǎn)能規(guī)模維持在4000萬臺(tái)左右。2017年我國(guó)產(chǎn)量3124.12萬臺(tái)，2018年我國(guó)臺(tái)式電腦產(chǎn)量為3197.95萬臺(tái)，產(chǎn)量較上年同期增長(zhǎng)2.36%。在相對(duì)平淡的數(shù)碼、電腦市場(chǎng)，消費(fèi)類產(chǎn)品依然表現(xiàn)低迷，反而是商用數(shù)碼、電腦成為了市場(chǎng)銷量的主要拉動(dòng)力。消費(fèi)類數(shù)碼、電腦與商用類主要差別在于用戶需求的不可替代性以及不同用戶對(duì)于產(chǎn)品后期使用成本的重視程度。對(duì)于消費(fèi)者而言，線上線下渠道都必不可少。從包含：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。來看，線下零售商的會(huì)員也更有可能成為線上零售商的客戶，推動(dòng)線下零售全渠道的發(fā)展。而且以網(wǎng)絡(luò)驅(qū)動(dòng)、軟件驅(qū)動(dòng)、資訊驅(qū)動(dòng)的行業(yè)在未來也勢(shì)必為成為新的趨勢(shì)。單從目前來看，我國(guó)采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)在某些方面取得了很高成就，但是發(fā)展的還不是很成熟，不能全部運(yùn)用到實(shí)際生活中，采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)的發(fā)展是未來發(fā)展的必然趨勢(shì)，但當(dāng)下卻還要在不斷優(yōu)化。會(huì)議錄播系統(tǒng)供貨商</p><p style="text-indent:25px">深圳市中科致遠(yuǎn)數(shù)字技術(shù)有限公司致力于數(shù)碼、電腦，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自創(chuàng)立以來，投身于采集卡，視頻編碼器，直播設(shè)備，導(dǎo)播切換臺(tái)，是數(shù)碼、電腦的主力軍。中科致遠(yuǎn)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。中科致遠(yuǎn)創(chuàng)始人彭貴濤，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1856780.html</p></div></div></div></div></div><div id="83mwnxg" class="page-right twoColRt"><div id="e98ggig" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7hzcktc" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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