头戴式耳机介绍V1.0

按一下滑鼠加入文字ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.2目錄1.何謂頭戴式耳機2.頭戴式耳機種類介紹3.頭戴式耳機的設計重點4.頭戴式耳機構造說明5.頭戴式耳機驅動聲學6.頭戴式耳機之相關測試ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.3何謂頭戴式耳機戴在頭上的耳機型式，由頭帶+左右側喇叭音箱構成。優點：1.音場開闊（音場涵蓋了聲音的定位和空間表現）2.健康，不入耳，避免擦傷耳道3.不易掉落1.缺點：1.體積較大，攜帶不方便。2.重量較重，久戴稍感不適ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.4依裝戴區分為罩耳式(Circumaural)及貼耳式（Supra-aural）罩耳式頭戴式耳機種類介紹-依裝戴貼耳式ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.51.通常貼耳式比罩耳式耳機輕、小，配戴上較舒服。2.耳罩式比貼耳式耳機密閉性高，隔音效果較佳。罩耳式罩耳式V.S.貼耳式耳機貼耳式ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.6依結構分為開放式(Open)及密閉式(Close)開放式密閉式頭戴式耳機種類介紹-依結構ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.7開放式耳機的音質開放式聲音聽起來比較自然，或者比較像喇叭的聲音，有較寬廣的音場感–可以覺察到與訊源間的距離。長時間的聆賞也不易疲勞。高音清晰聲音不會渾濁，相反的就是低音部份有時會稍微弱了一些。由於音漏較大，可以說是專供室內使用。ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.8密閉式耳機的音質密閉式音場感比開放式耳機小，讓你有一種感覺–聲音從你的頭部而來。遮音性高且內部的聲音不會漏到外面，適合在戶外使用或音樂的監聽用等的用途上。藉由利用機殼內部的空氣，能再生強力的重低音效，而其相反的就是聲音有時會渾濁。ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.91.外觀2.音質3.舒適頭戴式耳機的設計重點ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.10頭戴式耳機構造說明ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.11耳殼不可能直接貼附在耳機上，于是有了U型支架的設計，這個支架被稱為頭帶或者頭梁。頭帶的設計很大程度的影響了佩戴舒適度頭帶(1)ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.12一般都是設計為可伸縮，以適合不同的頭型。做出裝戴耳機的要項的側壓。由於過強的話會疼痛，太弱的話裝戴位置會偏移，需要取得良好的平衡性頭帶(2)selfadjustingheadbandThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.13調整頭帶長度的部份。配合頭部的形狀，能簡單的變更尺寸滑動器ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.14支撐機殼或障板的部份。能變換角度幫助裝戴支撐臂ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.15材質一般使用塑膠(plastic)、不銹鋼(stainlesssteel)、玻璃纖維強化尼龍(glass-fiberreinforcednylon)等頭帶、滑動器、支撐臂材質ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.16覆蓋著安裝驅動單元的障板的外側箱子，同時為耳機單元背面的空氣室的牆壁。容積的大小或密閉度、材質(木頭、金屬、塑膠等)都會影響音質機殼ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.17材質影響音質：木頭：高雅，實木擁有寬闊自然的優異音響特性金屬：如鎂合金、鋁合金等，輕巧、密度高、隔絕性佳，聲音清晰。塑膠：塑型容易，外觀變化多，價格便宜其它：尚有陶瓷、瑪瑙、琉璃等材質機殼材質ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.18創造聲音的心臟、發音部份。口徑：越大越能擴大低頻的量感音質參數：振膜、音圈、磁鐵、腔體＆音孔(調音紙)耳機單元ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.19固定耳機單元的基座部份，位於碰到耳墊側的地方。其作用為防止機殼內所放射的聲音與前方(外面)所放射聲音的干擾。障板ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.20舒適：以發泡海綿、乙烯樹脂製等為主，包裹皮革、絨布，其觸感將決定配戴舒適度。透氣：除排吸汗外，透氣性也影響音質。形狀：罩耳部份也會形狀是否服貼影響舒適度耳墊ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.21防止導線突然彎折而造成斷線導線套管ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.22導線具有將音源所發出的聲音信號傳送到耳機的作用。導線的材質或插頭的形狀等，配合用途及功能有各式各樣的種類導線ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.23與AV機器或攜帶式音響等的耳機端子連接的部份。一般有標準及迷你兩種插頭。插頭ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.24頭戴式耳機驅動方式-驅動單元驅動單元即為耳機發出聲音的機構。包含磁鐵、振動板、音圈等。ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.25動圈式驅動單元組成1.驅動單元口徑為φ30~53mm等被大量的使用。2.磁鐵材質一般為亞鐵酸塩磁鐵或鈷磁鐵等，其他還有使用更強力的強磁性磁鐵等的機種。3.音圈材質目前以銅包鋁線(CCAW,CopperCladAluminiumWire)為大宗，通常的銅線以外也使用稱為PCOCC或Hi-OFC的高純度銅線等各式各樣的材質。ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.26頭戴式耳機的聲學結構通過“透氣”的方法控制AB腔體的氣壓，調整揚聲器工作時，AB腔體的氣壓差，調整手段就是開孔、貼半透氣的調音紙、透氣或不透氣的耳墊等等ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.27頭戴式耳機之相關測試頭帶式耳機單元測試，通常是根據IEC318或是利用自由音場(無線障板)去做測試。ThisbelongstoKingstate’sconfidentialproperty,notdisclosetoanythirdpartywithoutKingstate’spriorwrittenapproval.28頭戴式耳機之相關測試頭帶式耳機成品測試則是利用HATS去量测成品耳機整體的表現(包含機構)。HeadandTorsoSimulator---Type4128CThisbelongstoKingstate’sconfidentialproperty