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class="twoCol"><div id="bcs1na7" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_swfw/">商務(wù)服務(wù)</a>?<a href="http://www.cdcfah.com/cp/second-swfw_zlhxx/">展覽會信息</a>?<a href="http://www.cdcfah.com/cp/third-zlhxx_jypxysz/">教育、培訓(xùn)、藝術(shù)展</a>?浙江東華大學(xué)音頻網(wǎng)站誠信經(jīng)營上海懷嚴(yán)文化傳媒供應(yīng)</p><div id="nisbncz" class="leftbox clearfix"><h1>浙江東華大學(xué)音頻網(wǎng)站誠信經(jīng)營上海懷嚴(yán)文化傳媒供應(yīng)</h1><div id="ukkvpei" class="proBig"><div id="wfakuyx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038759321840/9224192.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kzra3re" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038759321840/9224192.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="4u5a8ds" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>浙江東華大學(xué)音頻網(wǎng)站,音頻</p><p><span>***更新：</span>2021-01-25 01:10:09</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="y7jo7yc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海懷嚴(yán)文化傳媒有限公司</a></p><p><span>聯(lián)系人：</span>曹晨光</p><p><span>郵箱: </span>deforu@163.com</p><p><span>電話: </span>13611988611</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.oranshine.com</p><p><span>手機: </span>021-64458098</p><p><span>地址: </span>宜山路508號3E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="wva177g" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qwt29a3" class="box"><p><p style="text-indent:25px">音頻媒體的三維化處理：長期以來，計算機的研究者們一直低估了聲音對人類在信息處理中的作用。當(dāng)虛擬技術(shù)不斷發(fā)展之時，人們就不再滿足單調(diào)平面的聲音，而更催向于具有空間感的三維聲音效果。聽覺通道可以與視覺通道同時工作，所以聲音的三維化處理不僅可以表達(dá)出聲音的空間信息，而且與視覺信息的多通道的結(jié)合可以創(chuàng)造出極為逼真的虛擬空間，這在未來的多媒體系統(tǒng)中是極為重要的。這也是在媒體處理方面的重要措施。人類感知聲源的位置的基本的理論是雙工理論，這種理論基于兩種因素：兩耳間聲音的到達(dá)時間差和兩耳間聲音的強度差。時間差是由于距離的原因造成，當(dāng)聲音從正面?zhèn)鱽?，距離相等，所以沒有時間差，但若偏右三度則到達(dá)右耳的時間就要比左耳約少三十微秒，而正是這三十微秒，使得我們辨別出了聲源的位置。強度差是由于信號的衰減造成，信號的衰減是因為距離而自然產(chǎn)生的，或是因為人的頭部遮擋，浙江東華大學(xué)音頻網(wǎng)站，使聲音衰減，浙江東華大學(xué)音頻網(wǎng)站，浙江東華大學(xué)音頻網(wǎng)站，產(chǎn)生了強度的差別，使得靠近聲源一側(cè)的耳朵聽到的聲音強度要大于另一耳。人類能夠聽到的所有聲音都稱之為音頻，它可能包括噪音等。浙江東華大學(xué)音頻網(wǎng)站</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江東華大學(xué)音頻網(wǎng)站,音頻" src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038759321840/9224192.png"></div><p style="text-indent:25px">音頻藝術(shù)專業(yè)對聲音記錄及處理的質(zhì)量要求很高，大家聽到的CD，電視聲，廣播聲，等等，都由音頻藝術(shù)專業(yè)人員經(jīng)過一系列漫長的過程，將聲音記錄，混合等等的處理后，再由各種人們需要使用的電器的揚聲器（如CD機，電視機，音箱，耳機等等），播放出來。然后播放出來的效果，也是聲音的佳效果。一般記錄的聲音質(zhì)量，是高于CD的聲音質(zhì)量（CD則是錄制后的壓縮格式）。〔mp3,wma等等的格式，被稱為有損壓縮格式，為CD之后的壓縮格式（注：聲音質(zhì)量損失極多，但是容量也就相應(yīng)小，適于儲存）。wav格式為無損格式（注：質(zhì)量高的格式，對儲存空間需求很大）。ape、flac為無損壓縮格式（注：是壓縮格式，不進行還原操作一樣會損失音質(zhì)，可完全還原為壓縮之前的音質(zhì)，適于傳輸和保存）〕江蘇上海大學(xué)音頻專業(yè)音頻一詞已用作一般性描述音頻范圍內(nèi)和聲音有關(guān)的設(shè)備及其作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江東華大學(xué)音頻網(wǎng)站,音頻" src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038817954604/6552052.png"></div><p style="text-indent:25px">頻程的含義：頻程又成頻帶。兩個聲或其他信號的頻率間的距離，是頻率的相對尺度。以高頻與低頻的率比的對數(shù)來表示。此對數(shù)通常以2為底，單位稱為倍頻程（oct）。也可以以10為底的對數(shù)表示，此時單位為10倍程（decede）。把20～20000HZ可聞聲頻率變化范圍劃分成的若干個較小的段落。通常劃分為10段頻程或30段頻程，也稱頻帶。立體聲擴展技術(shù)原理：使一只揚聲器的信號相對于另一只揚聲器的作相移能引起聽覺幻想在一定程度上的擴展，稱之為立體聲擴展技術(shù)。相移度為0度時，產(chǎn)生定位在中間的幻想，為點聲源。相移為---135度時，聲像開始擴大，為面聲源。相移度超過135度時，聲像開始分開，聲像不自然。相移度到達(dá)180度時，即產(chǎn)生“倒相”，定位完全含糊不清。</p><p style="text-indent:25px">音頻藝術(shù)專業(yè)培養(yǎng)的學(xué)生要求具有較高的藝術(shù)素質(zhì)和修養(yǎng)，具備深厚的音樂功底，熟知各種音頻設(shè)備，同時又掌握一定的音頻理論及技巧，能在廣播、電視、電影系統(tǒng)和文化藝術(shù)部門從事聲音（音響）設(shè)計、錄制的高級專門人才。音頻直觀的，讓人們便于理解的概念就是把自然界中存在的和人們?yōu)榱四撤N需要創(chuàng)造的音響記錄下來。該專業(yè)對聲音記錄及處理的質(zhì)量要求很高，大家聽到的CD，電視聲，廣播聲，等等，都由該專業(yè)人員經(jīng)過一系列漫長的過程，將聲音記錄，混合等等的處理后，再由各種人們需要使用的電器的揚聲器，播放出來。當(dāng)強迫力的頻率與振動物體的固有頻率成整倍數(shù)關(guān)系時，振動系統(tǒng)獲得較大的振幅。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江東華大學(xué)音頻網(wǎng)站,音頻" src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038435708517/1254231.png"></div><p style="text-indent:25px">音頻的格式：要在計算機內(nèi)播放或是處理音頻文件，也就是要對聲音文件進行數(shù)、模轉(zhuǎn)換，這個過程同樣由采樣和量化構(gòu)成，人耳所能聽到的聲音，低的頻率是從20Hz起一直到高頻率20KHZ，20KHz以上人耳是聽不到的，因此音頻的大帶寬是20KHZ，故而采樣速率需要介于40~50KHZ之間，而且對每個樣本需要更多的量化比特數(shù)。音頻數(shù)字化的標(biāo)準(zhǔn)是每個樣本16位(16bit，即96dB)的信噪比，采用線性脈沖編碼調(diào)制PCM，每一量化步長都具有相等的長度。在音頻文件的制作中，正是采用這一標(biāo)準(zhǔn)。現(xiàn)在音響創(chuàng)作人員需要具備多種素質(zhì)，既要熟練掌握高技術(shù)的設(shè)備來完成復(fù)雜的音頻工作。南京音頻哪家便宜</p><p style="text-indent:25px">其實任何我們可以聽見的聲音經(jīng)過音頻線或話筒的傳輸都是一系列的模擬信號。浙江東華大學(xué)音頻網(wǎng)站</p><p style="text-indent:25px">流動旋律：RealAudio主要適用于在網(wǎng)絡(luò)上的在線音樂欣賞，大多數(shù)的用戶仍然在使用56Kbps或更低速率的Modem，所以典型的回放并非好的音質(zhì)。有的下載站點會提示你根據(jù)你的Modem速率選擇佳的Real文件。real的的文件格式主要有這么幾種：有RA（RealAudio）、RM（RealMedia，RealAudio G2）、RMX（RealAudio Secured），還有更多。這些格式的特點是可以隨網(wǎng)絡(luò)帶寬的不同而改變聲音的質(zhì)量，在保證大多數(shù)人聽到流暢聲音的前提下，令帶寬較富裕的聽眾獲得較好的音質(zhì)。隨著網(wǎng)絡(luò)帶寬的普遍改善，Real公司正推出用于網(wǎng)絡(luò)廣播的、達(dá)到CD音質(zhì)的格式。如果你的RealPlayer軟件不能處理這種格式，它就會提醒你下載一個**的升級包。許多音樂網(wǎng)站提供了歌曲的Real格式的試聽版本?，F(xiàn)在新的版本是RealPlayer 11。浙江東華大學(xué)音頻網(wǎng)站</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2994199.html</p></div></div></div></div></div><div id="dyko7zj" class="page-right twoColRt"><div id="pkjspoy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="c8w3o8u" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="l3dtxml" class="recomPic likePro"><a 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