多路高清采集卡深圳市中科致遠(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="數(shù)據(jù)采集卡的輸入量程是一定的，超出量程將會(huì)導(dǎo)致信號(hào)變形。數(shù)據(jù)采集卡的耐壓值高出輸入量程一些，如果信號(hào)輸入超過(guò)耐壓值，采集卡將啟動(dòng)自保護(hù)功能，多路高清采集卡，自動(dòng)斷電。但如果超出太多可能導(dǎo)致不可逆的損壞。信號(hào)源內(nèi)阻與所接傳輸線的特性阻抗大小相"><meta name="keywords" content="多路高清采集卡,采集卡"><link rel="canonical" href="http://www.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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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href="http://www.cdcfah.com/cp/second-smdn_smpj/">數(shù)碼配件</a>?<a href="http://www.cdcfah.com/cp/third-smpj_spcjk/">視頻采集卡</a>?多路高清采集卡深圳市中科致遠(yuǎn)供應(yīng)</p><div id="jnkmt8r" class="leftbox clearfix"><h1>多路高清采集卡深圳市中科致遠(yuǎn)供應(yīng)</h1><div id="udv2n72" class="proBig"><div id="svxzhy3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zkzy321/637332971149091797/2937031.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q74cdpr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zkzy321/637332971149091797/2937031.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zq77mif" 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>多路高清采集卡,采集卡</p><p><span>***更新：</span>2021-02-07 01:08:08</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8uwyvmj" 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="znk2c37" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lzw3jg7" class="box"><p><p style="text-indent:25px">數(shù)據(jù)采集卡的輸入量程是一定的，超出量程將會(huì)導(dǎo)致信號(hào)變形。數(shù)據(jù)采集卡的耐壓值高出輸入量程一些，如果信號(hào)輸入超過(guò)耐壓值，采集卡將啟動(dòng)自保護(hù)功能，多路高清采集卡，自動(dòng)斷電。但如果超出太多可能導(dǎo)致不可逆的損壞。信號(hào)源內(nèi)阻與所接傳輸線的特性阻抗大小相等且相位相同，或傳輸線的特性阻抗與所接負(fù)載阻抗的大小相等且相位相同叫做阻抗匹配。阻抗如果不匹配將產(chǎn)生放射，這樣，采集的信號(hào)將會(huì)失真。視頻編碼器是進(jìn)行對(duì)音視頻傳輸?shù)挠布O(shè)備，將龐大的視頻源數(shù)據(jù)進(jìn)行壓縮通過(guò)網(wǎng)絡(luò)進(jìn)行傳輸?shù)某尸F(xiàn)設(shè)備。而編碼過(guò)程中常常就會(huì)看到碼率，幀率，多路高清采集卡，多路高清采集卡，分辨率等關(guān)鍵詞。采集卡錄的，是“別人輸入進(jìn)來(lái)的HDMI信號(hào)”。多路高清采集卡</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多路高清采集卡,采集卡" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332971149091797/2937031.png"></div><p style="text-indent:25px">模擬采集卡通過(guò)AV或S端子將模擬視頻信號(hào)采集到PC中，使模擬信號(hào)轉(zhuǎn)化為數(shù)字信號(hào)，其視頻信號(hào)源可來(lái)自模擬攝像機(jī)、電視信號(hào)、模擬錄像機(jī)等。數(shù)字采集卡通過(guò)IEEE1394數(shù)字接口，以數(shù)字對(duì)數(shù)字的形式，將數(shù)字視頻信號(hào)無(wú)損地采集到了PC中，其視頻信號(hào)源主要來(lái)自DV（數(shù)碼攝像機(jī)）及其它一些數(shù)字化設(shè)備。模擬采集卡與數(shù)字采集卡的一個(gè)重要區(qū)別就是：使用數(shù)字采集卡，在采集過(guò)程中視頻信號(hào)沒有損失，可以保證得到與原始視頻源一模一樣的效果，而使用模擬采集卡則視頻信號(hào)會(huì)有一定程度的損失。東莞視頻采集卡價(jià)格采集卡建議用全D1分辨率的，便是一切通道分辨率都是740*576以上的，現(xiàn)在的模仿攝像機(jī)大多都是700線以上的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多路高清采集卡,采集卡" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332971659687500/2756269.png"></div><p style="text-indent:25px">由于模擬視頻輸入端可以提供不間斷的信息源，視頻采集卡要采集模擬視頻序列中的每幀圖像，并在采集下一幀圖像之前把這些數(shù)據(jù)傳入PC系統(tǒng)。因此，實(shí)現(xiàn)實(shí)時(shí)采集的關(guān)鍵是每一幀所需的處理時(shí)長(zhǎng)。如果每幀視頻圖像的處理時(shí)間超過(guò)相鄰兩幀之間的相隔時(shí)間，則要出現(xiàn)數(shù)據(jù)的丟失，也即丟幀現(xiàn)象。采集卡都是把獲取的視頻序列先進(jìn)行壓縮處理，然后再存入硬盤，也就是說(shuō)視頻序列的獲取和壓縮是在一起完成的，免除了再次進(jìn)行壓縮處理的不便。不同檔次的采集卡具有不同質(zhì)量的采集壓縮性能。</p><p> 對(duì)于那些偏重于游戲的發(fā)燒級(jí)玩家們而言，由于更多的時(shí)候可能要玩一些***游戲、DVD回放等，因此對(duì)多功能視頻卡的3D性能可能更要在乎一些。8、注意其他細(xì)節(jié)在考慮了上述主要方面后，還可以比較一些細(xì)節(jié)方面的問題，比如視頻采集卡是否提供自動(dòng)搜索存臺(tái)，是否提供了手動(dòng)設(shè)定的輔助功能。視頻卡工作時(shí)在電腦屏幕上再現(xiàn)清晰低失真度的電視畫面也是很重要的，有部分視頻卡的畫面存在較明顯的閃爍，圖像也比較模糊，選購(gòu)時(shí)應(yīng)該盡量上機(jī)試驗(yàn)一下。視頻采集卡一般都配有硬件驅(qū)動(dòng)程序以實(shí)現(xiàn)PC機(jī)對(duì)采集卡的控制和數(shù)據(jù)通訊，因此要注意檢查隨機(jī)是否有驅(qū)動(dòng)程序盤。還有，要仔細(xì)檢查視頻卡上支持和具有的視頻插孔種類，除了標(biāo)準(zhǔn)的閉路電視插孔外，AV視頻、音頻輸入輸出插孔，高清晰數(shù)字S－VIDEO插孔等也蕞好都要具備，以方便和其他音、視頻設(shè)備相連（如：影碟機(jī)、音箱等）。這點(diǎn)對(duì)打算購(gòu)買內(nèi)置電視卡的朋友要尤為注意，因?yàn)橛械膹S商的電視卡根本就沒有提供這些插孔。當(dāng)然，如果你感覺以后不會(huì)用到其他的這些視、音頻端口的話，則可以將其忽略，畢竟不帶這些插口的產(chǎn)品價(jià)格還會(huì)相對(duì)便宜一些。另外能否接收有線電視增補(bǔ)頻道也是一個(gè)需要考慮的問題，這與產(chǎn)品使用的高頻頭的特性有關(guān)。一般高速同步數(shù)據(jù)采集卡選型，按如下步驟進(jìn)行，詳細(xì)指標(biāo)請(qǐng)參閱相應(yīng)產(chǎn)品的樣本或選型指南。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多路高清采集卡,采集卡" src="https://tyunfile.71360.com/UploadFile/zkzy321/637332970733955078/5351399.png"></div><p style="text-indent:25px">什么是視頻采集卡？直播一定要用采集卡嗎？可能不做直播的人不知道，視頻直播采集卡是直播當(dāng)中不可缺少的一件設(shè)備。對(duì)于直播來(lái)說(shuō)，采集卡是直接采集HDMI信號(hào)，然后再通過(guò)直播軟件推流到各大直播平臺(tái)。好的采集卡不但可以無(wú)延遲采集1080P的高清游戲畫質(zhì)，還可以較大節(jié)省電腦CPU消耗。采集卡作為一個(gè)紐帶，連接了游戲主機(jī)和直播主機(jī)，保證了直播時(shí)的穩(wěn)定。在提高視頻質(zhì)量的同時(shí)，也更好的提高了直播播主的游戲體驗(yàn)，從多方面入手保證了用戶的觀看體驗(yàn)。視頻采集卡(Video Capture card)也叫視頻卡，用以將模擬攝像機(jī)、錄像機(jī)、LD視盤機(jī)、電視機(jī)輸出的視頻信號(hào)等輸出的視頻數(shù)據(jù)或者視頻和音頻的混合數(shù)據(jù)輸入電腦，并轉(zhuǎn)換成電腦可辨別的數(shù)字?jǐn)?shù)據(jù)，存儲(chǔ)在電腦中，成為可編輯處理的視頻數(shù)據(jù)文件。按照其用途可以分為廣播級(jí)視頻采集卡，專業(yè)級(jí)視頻采集卡，民用級(jí)視頻采集卡。視頻采集卡驅(qū)動(dòng)程序：根據(jù)不同的采集卡所要求的操作系統(tǒng)環(huán)境，各有不同的驅(qū)動(dòng)程序。X光機(jī)采集卡費(fèi)用</p><p style="text-indent:25px">視頻采集卡按照安裝鏈接方式，可以分為外置采集卡（盒）和內(nèi)置式板卡。多路高清采集卡</p><p> 天創(chuàng)恒達(dá)視頻采集卡 </p> <p> 產(chǎn)品名稱: 音視頻采集卡 </p> <p> 產(chǎn)品標(biāo)題：1路多接口高標(biāo)清USB采集卡 </p> <p> *型號(hào):TC-UB5A0N1 HDV </p> <p> *高、標(biāo)清視頻轉(zhuǎn)USB，輕巧、便攜； </p> <p> *主機(jī)接口：USB 2.0； </p> <p> *采集接口：?jiǎn)温犯?標(biāo)清HDMI / VGA / CVBS（A/V） / S端子+2路立體聲音頻； </p> <p> *壓縮方式：硬件壓縮，錄制不占用CPU； </p> <p> *廣泛應(yīng)用于各種便攜式圖像采集、游戲、網(wǎng)絡(luò)直播、視頻會(huì)議、醫(yī)療影像等高/標(biāo)清復(fù)雜信號(hào)的采集。 </p> <p> 主機(jī)接口：USB2.0 </p> <p> 規(guī)格：幾何尺寸66 × 29 × 14 (mm)主機(jī)接口USB 2.0輸入接口1路HDMI </p> <p> 通過(guò)轉(zhuǎn)接線可接入：1路VGA+2路立體聲音頻或 </p> <p> 1路S端子+2路立體聲音頻或 </p> <p> 1路AV（CVBS）+2路立體聲音頻 </p> <p> 音頻格式支持Stereo / 16-bit / 32000 ~ 48000Hz </p> <p> 操作系統(tǒng)支持Windows XP / Vista </p> <p> Windows 7 / Windows 8 / Windows 8.1( 32-bit and 64-bit ) </p> <p> 功耗：低於2.5W/ 支持USB供電 </p> <p> 工作溫度范圍0°C~70°C </p> <p> 保存溫度范圍-40°C~150°C </p> <p> 主要特征： </p> <p> ●高、標(biāo)清視頻轉(zhuǎn)USB，輕巧、便攜； </p> <p> ●主機(jī)接口：USB 2.0； </p> <p> ●采集接口：?jiǎn)温犯?標(biāo)清HDMI / VGA / CVBS（A/V） / S端子+2路立體聲音頻； </p> <p> ●壓縮方式：硬件壓縮，錄制不占用CPU； </p> <p> ●廣泛應(yīng)用于各種便攜式圖像采集、游戲、網(wǎng)絡(luò)直播、視頻會(huì)議、醫(yī)療影像等高/標(biāo)清復(fù)雜信號(hào)的采集 </p> <p> ● 無(wú)償提供功能完整的SDK QCAP SDK 多路高清采集卡</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3196591.html</p></div></div></div></div></div><div id="rprt3lx" class="page-right twoColRt"><div id="cmo233g" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="z22vcel" class="recomPic likePro"><a href="http://www.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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="etqsugd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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