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src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378591033857422/6997817.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fsj22j9" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378591033857422/6997817.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mpryvcj" 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BBS專業(yè)娛樂(lè)話筒價(jià)格,話筒</p><p><span>***更新：</span>2021-01-01 08:09:05</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="buwyvr3" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cv3zmmw" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="enpwypb" class="box"><p><p> <span style="font-size:16px;">無(wú)線話筒的選擇</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">很多家庭消費(fèi)者會(huì)選擇在閑暇時(shí)，在家唱唱歌，配備一套質(zhì)量的無(wú)線話筒，加上點(diǎn)歌機(jī)和家庭音響，也可享受歌星演出的感覺(jué)。下面我們主要談?wù)劗?dāng)中的無(wú)線話筒怎樣選擇。</span> </p> <p> <span style="font-size:16px;">在一般的家庭音響里，配備專業(yè)KTV音響的畢竟是少數(shù)，大部分都是AV功放和環(huán)繞音響，因?yàn)榇蠹掖蟛糠謺r(shí)間都是用來(lái)看家庭影碟和播放電影的設(shè)備。在這種情況下，選擇一個(gè)功能簡(jiǎn)單，方便使用的無(wú)線話筒尤為重要。音質(zhì)方面為了配合家庭音響的特性，中高音要通透，低頻略少，否則老是出現(xiàn)嗡嗡的低頻共振會(huì)很難受。</span> </p> <p> <span style="font-size:16px;">本主推薦的適合家庭使用的無(wú)線話筒，是現(xiàn)在在海外市場(chǎng)上比較受歡迎的固定頻點(diǎn)UHF無(wú)線話筒，就是只有單獨(dú)的固定好的傳輸頻率，不可調(diào)頻的，是小型機(jī)子，就是我們常說(shuō)的機(jī)仔，半U(xiǎn)規(guī)格的。這種機(jī)型方便易用，裝上電池，接好線，武漢BBS專業(yè)娛樂(lè)話筒價(jià)格，馬上可以用。因?yàn)樵诩彝キh(huán)境，無(wú)線干擾一般不多，用單頻點(diǎn)的固U足矣。而且這種機(jī)仔主要是出口的規(guī)格，中高頻調(diào)整得比較突出，輕輕出聲，立馬就身臨其境，武漢BBS專業(yè)娛樂(lè)話筒價(jià)格，武漢BBS專業(yè)娛樂(lè)話筒價(jià)格，沒(méi)錯(cuò)，就是那種"好入咪"的感覺(jué)，無(wú)需很用力的去唱，就可以獲得滿意的聲壓。當(dāng)然選購(gòu)的時(shí)候要注意測(cè)試是否有嚴(yán)重的高頻嘯叫，還要注意一下有沒(méi)有明顯失真就可以了。</span> </p> <p> <br /> </p> <p> <br /> 無(wú)線話筒，武漢音王系統(tǒng)集成有限公司，專業(yè)為您服務(wù)！武漢BBS專業(yè)娛樂(lè)話筒價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢BBS專業(yè)娛樂(lè)話筒價(jià)格,話筒" src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378591033857422/6997817.png"></div><span style="font-size:16px;"> </span><span style="font-size:16px;">在一百多平方的會(huì)議室里同時(shí)使用三套話筒,都是雙通道的,會(huì)議沒(méi)開(kāi)始時(shí)試音基本正常,可是客人坐滿后,在十米外就會(huì)斷頻。當(dāng)時(shí)用戶是三臺(tái)疊在一起的,三套話筒頻點(diǎn)都是錯(cuò)開(kāi)互不干擾的,而且都已經(jīng)裝上天線，天線交不交叉不知道。為什么會(huì)造成這種情況呢？是不是人多造成的影響？這個(gè)是有但是影響不大（因?yàn)槿硕辔锒鄷?huì)吸收一定的電波），主要的就是他直接把接收機(jī)疊在一塊。解決方案有兩個(gè)，</span> <p> <span style="font-size:16px;"> 1、裝上天線調(diào)到位置（天線與接收機(jī)平面保持垂直），把接收機(jī)一字排開(kāi)，天線在同一直線上，機(jī)與機(jī)之間保持15cm以上,這樣對(duì)于一兩百平方米的會(huì)議廳沒(méi)問(wèn)題。</span> </p> <p> <span style="font-size:16px;"> 2、增加一臺(tái)天線分配器再共用一對(duì)天線即可（注：每臺(tái)話筒都要同是U頻或V頻，因?yàn)轭l段不同天線是不同的，都是取1/2波長(zhǎng)）總結(jié)：發(fā)射功率30mw的射頻在無(wú)障礙物的情況下接收距離至少會(huì)在70m外，為什么會(huì)造成這種現(xiàn)象呢？因?yàn)楫?dāng)附近有金屬物時(shí)就會(huì)產(chǎn)生高頻反射，當(dāng)反射波和直射反向時(shí)，就會(huì)引起波全部抵消或局部抵消，從而會(huì)產(chǎn)生斷頻現(xiàn)象（接收機(jī)疊在一塊時(shí)多余的天線和接收機(jī)都成了金屬反射物）</span> 武漢BBS專業(yè)娛樂(lè)話筒價(jià)格bbs話筒哪個(gè)好，武漢音王系統(tǒng)集成有限公司，專業(yè)為您服務(wù)！</p> <span style="font-size:16px;"></span><span style="font-size:16px;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢BBS專業(yè)娛樂(lè)話筒價(jià)格,話筒" src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378590976835938/2976964.png"></div><p> <span style="font-size:16px;">無(wú)線話筒斷音有哪幾種原因</span> </p> <p> <p> <span style="font-size:16px;">無(wú)線話筒斷音有哪幾種原因</span> </p> <p> <span style="font-size:16px;">無(wú)線話筒斷音其實(shí)就是斷頻。</span> </p> <p> <span style="font-size:16px;">無(wú)線話筒在使用過(guò)程中經(jīng)常遇到斷頻，掉頻，讓很多客戶頭疼。首先要確保天線正常連接主機(jī)。天線附近不要有干擾源和屏蔽物。</span> </p> <p> <span style="font-size:16px;">無(wú)線話筒斷頻是因?yàn)闊o(wú)線信號(hào)被阻擋。有以下幾種原因：</span> </p> <p> <span style="font-size:16px;">1.電池沒(méi)電的可能性大，把電池及時(shí)換新的</span> </p> <p> <span style="font-size:16px;">2.其他電子產(chǎn)品的信號(hào)干擾，例如手機(jī)，路由器，電視等</span> </p> <p> <span style="font-size:16px;">3.有可能話筒摔在地上摔壞了</span> </p> <p> <span style="font-size:16px;">4.話筒跟接收機(jī)之間距離太遠(yuǎn)，走近一點(diǎn)就可以了</span> </p> <p> <span style="font-size:16px;">5.看功放機(jī)有沒(méi)有出現(xiàn)問(wèn)題</span> </p> <p> <span style="font-size:16px;">6.是否多套同型號(hào)同品牌話筒在使用</span> </p> <span style="font-size:16px;"></span> </p><p> <span style="font-size:16px;">各類話筒應(yīng)該如何靈活使用？</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">講臺(tái)話筒</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">注意話筒的高度、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)話筒，但對(duì)于講臺(tái)話筒來(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)線領(lǐng)夾式話筒了，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)。微型話筒可以?shī)A在衣服上，無(wú)線發(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)生噪音或撞擊話筒。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> BBS專業(yè)娛樂(lè)話筒哪個(gè)牌子好，武漢音王系統(tǒng)集成有限公司，專業(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BBS專業(yè)娛樂(lè)話筒價(jià)格,話筒" src="https://tyunfile.71360.com/UploadFile/jzwhywxtjc/637378590804804688/4203224.png"></div><p> <span style="font-size:16px;">如何正確調(diào)試話筒錄出好聲音？</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">話筒話筒也叫傳聲器，工作原理是當(dāng)傳聲器接受聲波時(shí)，聲波產(chǎn)生的力量作用在振膜上，引起振膜振動(dòng)，帶動(dòng)音圈作相應(yīng)振動(dòng)，音圈在磁鋼中運(yùn)動(dòng)，產(chǎn)生電動(dòng)勢(shì)，聲音信號(hào)轉(zhuǎn)變成電信號(hào)。</span> </p> <p> <span style="font-size:16px;">錄音室常見(jiàn)的錄音話筒分為動(dòng)圈話筒和電容話筒兩種。</span> </p> <p> <span style="font-size:16px;">電容話筒的特點(diǎn)是非常靈敏，頻率響應(yīng)比較寬廣，能夠捕捉到更多聲音細(xì)節(jié)，在錄音棚中使用率較高，對(duì)錄音環(huán)境的要求也比較高。電容話筒非常嬌貴，怕摔怕受潮，不錄音的時(shí)候要放到防潮柜儲(chǔ)存。</span> </p> <span style="font-size:16px;">動(dòng)圈話筒的特點(diǎn)，是對(duì)環(huán)境適應(yīng)能力強(qiáng)。動(dòng)圈話筒構(gòu)造相對(duì)簡(jiǎn)單，經(jīng)濟(jì)耐用，能承受極高的聲壓，且?guī)缀醪皇軜O端溫度或濕度的影響。</span> <p> <br /> </p> <p> <br /> </p> <p> <span style="font-size:16px;">從聲學(xué)性能比較，一般來(lái)講，電容話筒在靈敏度和頻率響應(yīng)方面要優(yōu)于動(dòng)圈話筒。這跟電容話筒需要先將聲音信號(hào)轉(zhuǎn)換成電流的工作原理有關(guān)。通常電容話筒的振膜都非常薄，很容易受到聲壓影響而發(fā)生震動(dòng)，從而引起振膜與振膜艙后背板之間電壓的相應(yīng)改變。</span> </p> <p> <span style="font-size:16px;">一般的入門級(jí)聲卡，話放能力有限，對(duì)于動(dòng)圈話筒的支持并不好，常見(jiàn)的情況就是推力不夠，所以我還是建議用電容話筒錄音。</span> </p> <span style="font-size:16px;"></span> <p> <br /> BBS專業(yè)娛樂(lè)話筒什么品牌好，武漢音王系統(tǒng)集成有限公司，專業(yè)為您服務(wù)！武漢無(wú)線話筒哪個(gè)好</p><p style="text-indent:25px">bbs話筒批發(fā)，武漢音王系統(tǒng)集成，專業(yè)為您服務(wù)！武漢BBS專業(yè)娛樂(lè)話筒價(jià)格</p><p> <span style="font-size:16px;">專業(yè)話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筒盡量靠近聲源拾音，同時(shí)話筒應(yīng)使用無(wú)指向性的。在這里明確一下，指向性話筒(尤其是銳指向性話筒)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，與話筒的靈敏度沒(méi)有直接關(guān)系。只不過(guò)高靈敏度的話筒都是銳指向性的，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)，就是話筒距揚(yáng)聲器越遠(yuǎn)越好，揚(yáng)聲器距聽(tīng)眾越近越好。話筒應(yīng)放在揚(yáng)聲器輻射方向的背面，如果話筒有可能被拿著四處走動(dòng)，揚(yáng)聲器應(yīng)放在話筒無(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;">由于話筒拾音和發(fā)聲設(shè)備的頻率曲線不是理想平坦的直線(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 /> 武漢BBS專業(yè)娛樂(lè)話筒價(jià)格</p><p style="text-indent:25px">武漢音王系統(tǒng)集成有限公司主要經(jīng)營(yíng)范圍是商務(wù)服務(wù)，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋音王點(diǎn)歌機(jī)，視易點(diǎn)歌機(jī)，BMB音箱，JBL音箱等，價(jià)格合理，品質(zhì)有保證。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在商務(wù)服務(wù)深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造商務(wù)服務(wù)良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2657726.html</p></div></div></div></div></div><div id="k88g8cr" class="page-right twoColRt"><div id="2e22ah2" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="znubnub" 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" 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