變幅傳聲
變幅傳聲，通信之術也，其道乃以波動之變幅，傳遞聲音之模擬。古人亦有類此技藝，譬如電報，用代碼傳訊；既古今發明，不絕如縷，故此技術發展浸深。以木質或金屬作物，能接收聲波，轉為電信號，經線路遠播，至於他端，復轉歸聲波之原貌，使聽者得以分辨音節。此技巧，融合自然之聲響與人工之機關，焉乃開闢通信之新境。
This article uses material from the Wikipedia 古文 / 文言文 article 變幅傳聲, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 若無側注，諸文皆奉CC BY-SA 4.0以行。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 古文 / 文言文 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.