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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b8yiu3x" 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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>武漢無(wú)線(xiàn)話(huà)筒維修,話(huà)筒</p><p><span>***更新：</span>2021-01-17 05:08:22</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="dqnhyrd" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">武漢音王系統(tǒng)集成有限公司</a></p><p><span>聯(lián)系人：</span>宋艷</p><p><span>郵箱: </span>248909102@qq.com</p><p><span>電話(huà): </span>18971199388</p><p><span>傳真: </span>027_82822780</p><p><span>網(wǎng)址: </span>http://www.cctvnd.com</p><p><span>手機(jī): </span>027-82822780</p><p><span>地址: </span>民主一街226號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="t87lsjl" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dfce3z4" class="box"><p><p> <span style="font-size:16px;">教你們挑選合適自己的話(huà)筒</span> </p> <p> <span style="font-size:16px;">動(dòng)圈話(huà)筒：非專(zhuān)業(yè)場(chǎng)合，例如KTV，見(jiàn)到多的就是動(dòng)圈話(huà)筒。它結(jié)構(gòu)簡(jiǎn)單、結(jié)實(shí)耐用、價(jià)格便宜；但是靈敏度不夠，頻率響應(yīng)不足，音色不夠細(xì)膩。</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">動(dòng)圈話(huà)筒</span> </p> <p> <span style="font-size:16px;">電容話(huà)筒：錄音領(lǐng)域應(yīng)用的多的話(huà)筒。電容話(huà)筒的靈敏度高，頻率響應(yīng)好。但價(jià)格相對(duì)比動(dòng)圈話(huà)筒高，而且比較嬌貴，務(wù)必小心使用。需要幻象電源供電才能正常工作。</span> </p> <p> <span style="font-size:16px;">電容話(huà)筒</span> </p> <p> <span style="font-size:16px;">電容話(huà)筒有大振膜和小振膜。那要怎么區(qū)分？振膜直徑大于或者等于3/4英寸的話(huà)筒稱(chēng)做大振膜話(huà)筒。經(jīng)常用于人聲錄音，因?yàn)樗鼈兡軌驗(yàn)槁曇籼砑又C波，讓聲音聽(tīng)起來(lái)更加平滑。</span> </p> <p> <span style="font-size:16px;">大振膜</span> </p> <p> <span style="font-size:16px;">凡是振膜直徑小于5/8英寸的話(huà)筒均屬于小振膜話(huà)筒。相比大振膜，小振膜所接受到的聲源信號(hào)面積小，聲音就比較亮，堅(jiān)的感覺(jué)，具備平坦的頻率響應(yīng)，聲音更加自然，因此，普遍用于樂(lè)器錄音，武漢無(wú)線(xiàn)話(huà)筒維修。</span> </p> <p> <span style="font-size:16px;">小振膜</span> </p> <p> <span style="font-size:16px;">另外近年來(lái)還出現(xiàn)"中振膜"話(huà)筒。一般來(lái)說(shuō)振膜直徑在5/8英寸到3/4英寸之間的話(huà)筒均屬于中振膜話(huà)筒。比較擅長(zhǎng)捕捉瞬時(shí)信號(hào)和高頻信號(hào)，武漢無(wú)線(xiàn)話(huà)筒維修，武漢無(wú)線(xiàn)話(huà)筒維修，且其聲音效果相對(duì)比較圓潤(rùn)飽滿(mǎn)，帶有大振膜話(huà)筒的溫暖質(zhì)感。</span> </p> <p> <br /> </p> <span style="font-size:16px;"></span> <p> <br /> 無(wú)線(xiàn)手持話(huà)筒什么品牌好，武漢音王系統(tǒng)集成有限公司，專(zhuān)業(yè)為您服務(wù)！武漢無(wú)線(xiàn)話(huà)筒維修</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢無(wú)線(xiàn)話(huà)筒維修,話(huà)筒" src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378590976835938/2976964.png"></div><p> <span style="font-size:16px;">除此之外，為了能夠使效果變得更好，這里也給大家提供了一些建議：</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">1.為自己的演講錄音</span> </p> <p> <span style="font-size:16px;">正式演講前，先為自己的演講錄音，可以從錄音中聽(tīng)到一些意想不到的東西，了解學(xué)習(xí)哪些話(huà)筒和位置適合自己的聲音與表達(dá)風(fēng)格。</span> </p> <p> <span style="font-size:16px;">2.現(xiàn)場(chǎng)和技術(shù)人員交流</span> </p> <p> <span style="font-size:16px;">現(xiàn)場(chǎng)可以和音響工程師或AV技術(shù)人員交流溝通，找出適合自己使用的話(huà)筒類(lèi)型。如果對(duì)特定類(lèi)型的話(huà)筒更得心應(yīng)手，可以要求提供，大多數(shù)音響工程師都很欣賞那些充分考慮聲音效果的演講者。</span> </p> <p> <span style="font-size:16px;">3.在演講場(chǎng)地走動(dòng)體驗(yàn)</span> </p> <p> <span style="font-size:16px;">攜話(huà)筒在房間中走動(dòng)，如果使用的是無(wú)線(xiàn)手持或領(lǐng)夾式話(huà)筒，無(wú)論身在何處，都要確保音質(zhì)，保證自己的動(dòng)作不會(huì)被話(huà)筒拾?。ɡ绾粑暬蛞路纳成陈暎?，同時(shí)也不要忽視了后排的聽(tīng)眾。</span> 武漢bbs話(huà)筒維修無(wú)線(xiàn)手持話(huà)筒哪個(gè)牌子好，武漢音王系統(tǒng)集成，專(zhuān)業(yè)為您服務(wù)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢無(wú)線(xiàn)話(huà)筒維修,話(huà)筒" src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378567205615234/2095295.png"></div><h1> <span style="font-size:16px;">教你如何正確使用話(huà)筒</span> </h1> <p> <br /> </p> <p> <span style="font-size:16px;">現(xiàn)在人們使用話(huà)筒的機(jī)會(huì)是很頻繁的，但真正能用好話(huà)筒的人并不多。所謂“用好”不外乎是有好的拾音效果、長(zhǎng)的使用壽命及對(duì)健康無(wú)害。下面談?wù)劷?jīng)常見(jiàn)到的幾大錯(cuò)誤，也是我們?cè)谑褂弥兴傻摹?/span> </p> <p> <span style="font-size:16px;">1.試聲時(shí)忌拍打話(huà)筒及向話(huà)筒吹氣</span> </p> <p> <span style="font-size:16px;">由于話(huà)筒的拾音部分較精密，且部件很嬌貴，拍打話(huà)筒或向咪頭吹氣極易造成損壞或部件移位，終影響音質(zhì)。</span> </p> <p> <span style="font-size:16px;">2.忌話(huà)筒離開(kāi)音源過(guò)遠(yuǎn)過(guò)近</span> </p> <p> <span style="font-size:16px;">話(huà)筒拾音時(shí)距離為10公分左右。有的“領(lǐng)導(dǎo)”講話(huà)離話(huà)筒很遠(yuǎn)，有的歌手貼著話(huà)筒，過(guò)遠(yuǎn)造成拾音聲音過(guò)小，這時(shí)如把音量推子往上推極易引起嘯叫;過(guò)近則把講話(huà)時(shí)的氣流聲也拾入，發(fā)出“噗噗”的干擾聲。</span> </p> <p> <span style="font-size:16px;">3.忌拉話(huà)筒的引線(xiàn)</span> </p> <p> <span style="font-size:16px;">遞交話(huà)筒時(shí)忌拉住話(huà)筒的引線(xiàn)。由于話(huà)筒具有一定的重量，經(jīng)常拉住引線(xiàn)，就極易造成引線(xiàn)折斷，插頭接觸不好，造成拾音故障。</span> </p> <p> <span style="font-size:16px;">4.忌使用好后不關(guān)閉話(huà)筒電源</span> </p> <p> <span style="font-size:16px;">在開(kāi)會(huì)講話(huà)時(shí)或演唱完畢后，應(yīng)及時(shí)關(guān)掉話(huà)筒開(kāi)關(guān)，這時(shí)候如音控師也未及時(shí)關(guān)閉調(diào)音臺(tái)音量推子：一方面把其他雜音也拾進(jìn)去，另一方面也把你一些不必要的講話(huà)聲播放出來(lái)。布什總統(tǒng)就有一次這樣的經(jīng)歷，造成尷尬。</span> </p> <p> <br /> </p> <p> <br /> </p> <span style="font-size:16px;"></span> <p> <br /> </p><p> <span style="font-size:16px;">各類(lèi)話(huà)筒應(yīng)該如何靈活使用？</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">講臺(tái)話(huà)筒</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">注意話(huà)筒的高度、角度以及演講者的位置</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">很多時(shí)候，老師的聲音不夠大，擔(dān)心很多學(xué)生聽(tīng)不到自己講課聲音的時(shí)候，都會(huì)在教室安裝一部鵝頸式的講臺(tái)話(huà)筒，但對(duì)于講臺(tái)話(huà)筒來(lái)說(shuō)，次使用的演講者發(fā)言時(shí)可以先做兩件事：</span> </p> <p> <span style="font-size:16px;">1、調(diào)整話(huà)筒的高度和角度</span> </p> <p> <span style="font-size:16px;">使其對(duì)準(zhǔn)自己的頭部，而不是胸部或肩膀。若與之前發(fā)言人有身高差，話(huà)筒位置不合適，會(huì)造成音量較低，甚至可能會(huì)被遮蔽。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">/2、演講者站在話(huà)筒的前面</span> </p> <p> <span style="font-size:16px;">而不是講臺(tái)旁邊或者屏幕、白板旁的位置，這樣可以避免臺(tái)下聽(tīng)眾聽(tīng)不到演講者聲音。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">領(lǐng)夾式話(huà)筒</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">胸前口袋處位置，避免佩戴長(zhǎng)掛飾</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">對(duì)于主持人來(lái)說(shuō)，常見(jiàn)且方便的就是無(wú)線(xiàn)領(lǐng)夾式話(huà)筒了，手臂可以自由動(dòng)作，并且可以在不**音質(zhì)的情況下四處走動(dòng)。微型話(huà)筒可以?shī)A在衣服上，無(wú)線(xiàn)發(fā)射器可以?shī)A在皮帶上或放入口袋。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">為了獲得清晰的聲音，話(huà)筒的理想位置大約在胸前口袋處。需要注意的是：</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">確保位置高低合適，避免長(zhǎng)掛飾</span> </p> <p> <span style="font-size:16px;">位置太高，下巴的陰影效果會(huì)使聲音聽(tīng)起來(lái)悶悶不樂(lè)；位置太低，則會(huì)壓低音量，失去聽(tīng)眾的注意力。另外也要避免佩戴長(zhǎng)項(xiàng)鏈，可能會(huì)產(chǎn)生噪音或撞擊話(huà)筒。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 無(wú)線(xiàn)會(huì)議話(huà)筒品牌，武漢音王系統(tǒng)集成有限公司，專(zhuān)業(yè)為您服務(wù)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢無(wú)線(xiàn)話(huà)筒維修,話(huà)筒" src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378590881103516/6359773.png"></div><p> <span style="font-size:16px;">專(zhuān)業(yè)話(huà)筒如何更好為人聲拾音</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">消除反饋嘯叫要從產(chǎn)生反饋嘯叫的必要條件入手，只要能破壞其中一個(gè)條件，就可達(dá)到目的。</span> </p> <p> <span style="font-size:16px;">調(diào)整距離法</span> </p> <p> <span style="font-size:16px;">既避免嘯叫又能提升擴(kuò)音音量的方法之一就是將話(huà)筒盡量靠近聲源拾音，同時(shí)話(huà)筒應(yīng)使用無(wú)指向性的。在這里明確一下，指向性話(huà)筒(尤其是銳指向性話(huà)筒)遠(yuǎn)距離聲源的拾音衰減很小，調(diào)整距離對(duì)提升擴(kuò)音音量和防止嘯叫的作用不大。擴(kuò)聲系統(tǒng)是否容易嘯叫，與話(huà)筒的靈敏度沒(méi)有直接關(guān)系。只不過(guò)高靈敏度的話(huà)筒都是銳指向性的，容易產(chǎn)生嘯叫罷了?？s短發(fā)聲設(shè)備與聽(tīng)眾的距離，實(shí)際上可以提升擴(kuò)音的響度。可適當(dāng)?shù)臏p小系統(tǒng)的總增益。若同時(shí)輔以指向性寬的近場(chǎng)音箱，話(huà)筒稍微離遠(yuǎn)點(diǎn)就能避免嘯叫。</span> </p> <p> <span style="font-size:16px;">對(duì)于揚(yáng)聲器的直接反饋聲場(chǎng)來(lái)說(shuō)，就是話(huà)筒距揚(yáng)聲器越遠(yuǎn)越好，揚(yáng)聲器距聽(tīng)眾越近越好。話(huà)筒應(yīng)放在揚(yáng)聲器輻射方向的背面，如果話(huà)筒有可能被拿著四處走動(dòng)，揚(yáng)聲器應(yīng)放在話(huà)筒無(wú)法靠得很近的地方。</span> </p> <p> <span style="font-size:16px;">頻率均衡法(寬帶陷波法)</span> </p> <p> <span style="font-size:16px;">由于話(huà)筒拾音和發(fā)聲設(shè)備的頻率曲線(xiàn)不是理想平坦的直線(xiàn)(特別是一些質(zhì)量比較差的放音設(shè)備)，以及廳堂聲場(chǎng)的聲學(xué)諧振作用，使頻率響應(yīng)起伏很大。</span> </p> <span style="font-size:16px;"></span> <p> <br /> 會(huì)議話(huà)筒哪個(gè)好，武漢音王系統(tǒng)集成有限公司，專(zhuān)業(yè)為您服務(wù)！武漢無(wú)線(xiàn)話(huà)筒維修</p><p style="text-indent:25px">會(huì)議話(huà)筒，武漢音王系統(tǒng)集成，專(zhuān)業(yè)為您服務(wù)！武漢無(wú)線(xiàn)話(huà)筒維修</p><p> <span style="font-size:16px;">話(huà)筒是將聲音轉(zhuǎn)換成電信號(hào)的一種電聲換能器件。是<span style="font-size:16px;"><span style="font-size:16px;"></span></span>音響系統(tǒng)中種類(lèi)多的一個(gè)單元，按其指向性來(lái)區(qū)分可分為無(wú)指向性（圓形）、指向性（心型、超心型）和強(qiáng)指向性，其中無(wú)指向性是專(zhuān)門(mén)為樂(lè)隊(duì)拾音使用的；指向性是用于語(yǔ)音、歌聲等音源拾音的；強(qiáng)指向性是專(zhuān)門(mén)為了拾取一定方位的音源聲音而要將左右兩側(cè)和后面的聲音排斥在話(huà)筒拾取空間之外，而專(zhuān)門(mén)利用聲波的相互干涉現(xiàn)象原理，使用聲波干涉管制作的一只細(xì)長(zhǎng)的管狀話(huà)筒，人們稱(chēng)為式話(huà)筒，用于藝術(shù)舞臺(tái)和新聞采訪(fǎng)中；按結(jié)構(gòu)與應(yīng)用范圍區(qū)分有動(dòng)圈式話(huà)筒、鋁帶話(huà)筒、電容式話(huà)筒、壓力區(qū)話(huà)筒;PZM、駐極體話(huà)筒、MS式立體聲話(huà)筒、混響話(huà)筒、變調(diào)話(huà)筒等等。</span> </p> <p> <br /> 武漢無(wú)線(xiàn)話(huà)筒維修</p><p style="text-indent:25px">武漢音王系統(tǒng)集成有限公司致力于商務(wù)服務(wù)，是一家貿(mào)易型公司。公司業(yè)務(wù)分為音王點(diǎn)歌機(jī)，視易點(diǎn)歌機(jī)，BMB音箱，JBL音箱等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶(hù)提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于商務(wù)服務(wù)行業(yè)的發(fā)展。武漢音王立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶(hù)的變化需求。</p></p><br 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