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    • 公共廣播系統

      • 公共廣播系統(PA System,簡稱 PA 系統)是區域範圍內公眾服務的廣播系統,是由 麥克風、擴大機、喇叭等設備架構而成,用於車站、機場、學校機關、校園廣播系統、鄉里社區、百貨公司、辦公大樓、船舶等,常見功能為一般與緊急的廣播訊息及背景音樂播放,是公共場所中不可或缺的基礎建設。
      www.bxb.tw/pa-system-broadcast-equipment-selection-guides/
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  2. 本篇大綱. PA 系統配置. 設備介紹. 內外場喇叭. Mixer 混音器. 整合連接. 生活中常常聽到 PA ,但你知道 PA 是什麼的縮寫嗎? PA systems = Public address system,中文是擴音系統。 PA 系統 包含 麥克風、擴大機、喇叭。 為控制多軌音源,還要再搭配混音器。 主要目的為放大人聲、樂器、音樂背景,或是其他音源的音量,使擁有足夠的音量涵蓋整個大空間。 PA 系統注重於擴音的功率,不刻意要求其頻率響應範圍。 Pa 系統廣泛願用在生活中,像是學校、商店、機場和船上等等都有。 依目的也需做不同的規劃設計 ex.講話語音、舞台表演。 最簡單的舞台配置. Mixer 輸入:樂器、麥克風. Mixer 輸出:主動式喇叭 (被動式喇叭則先連接擴大機)

  3. 2019年4月28日 · 相较于服务听众的“外场”扩声系统(public address system, PA)舞台监听就是所谓的“内场”,目的在服务演出者,使他们能够实时、清晰地监听自己与台上其他表演者的演出状态,从而更好地进行演出。 早期的音响系统没有返听部分,只有对着听众的扩声音箱。 表演者能听到的,只有“外场”返回台上的“反射声”。 由于反射声必然与原声存在时间差,加上演出空间的声学条件影响,表演者能获得的资讯必然会有相当程度的误差,简单来说就是会听不清自己的声音。 特别是只靠一副嗓子唱歌的歌手,演出的节奏、音准都可能因此大打折扣。 上世纪60年代,拜战后军用科技流向民用与流行音乐产业蓬兴盛之赐,现场扩声技术也跟着开始快速发展,音响工程师们纷纷投入研发解决方案。

  4. 2021年7月28日 · PA 是 Public Address 的簡稱,是透過專業、完整的音響設備,擴大音源至整個空間,使活動演出能順利進行。 專業的 PA 音響設備與人員操控可避免出現聲音失真與回授,比如活動中表演者尚未使用麥克風,喇叭卻出現尖銳的噪音,造成活動還沒開始即中斷,因此,良好應用 PA 系統去進行擴音的規劃與設計相當重要。 PA 音響知識必知,分享 PA 音響設備專業性應用之處. 監聽系統的重要性. 在表演活動或演唱會上,對於表演者來說最重要是能聽到明確的拍子、音準與音色,才不會發生自己拍子亂掉卻渾然不知,也因此,舞台上常會搭配舞台監聽系統,讓樂手能聽到自己樂器發出的聲音,並依據每位表演者不同的需求,去調整所聽到的聲音比例。 麥克風指向性與頻率響應.

    • What Does A PA System do?
    • What Are The Parts of A PA System?
    • What Is The Difference Between A PA System and An Amplifier?
    • How Many Types of PA Systems Are there?
    • Can A PA System Play Music?
    • How to Set Up A PA System
    • Do I Need A PA System?
    • Final Thoughts

    A PA system allows people to hear speech and music clearly. In a live music setting, for example, a PA system allows the audience to hear the performer(s) on stage. In a conference room, a PA system can be used to amplify the presenter’s voice so that everyone in the room can hear. If you attend a local gym class, your gym instructor may use an amp...

    There are several individual parts that make up a typical PA system. These parts include microphones, mixers, amplifiers, speakers, and cabling. Each part plays an important role in how the system works. PA systems in general have the same components, with more speakers and components being added depending on the application. For example, a small c...

    In general terms, a PA system refers to the entire system to amplify sound, including the microphone, amplifier, mixer, and speakers. An amplifier, on the other hand, just refers to the amplification stage. The part in the signal chain that amplifies sound. In terms of a guitar amplifier versus a PA, a guitar amplifier has a much narrower frequency...

    PA systems come in all shapes and sizes, from small portable systems to large-scale distributed systems. In general, you could say that there are three types of PA systems; small systems for one performer, medium for a small band with multiple mics and large or “full-size” for large venues, with multiple microphones and speakers. The speaker types ...

    PA systems have a reputation for being for spoken word only. This makes sense, as the PA system started life as a broadcaster of voice back in the early 1900s. PA systems are good for playing music. Like all speakers for playing music, there will be some variation in how music sounds on a PA system. Many PA systems will have a mixer or in-built EQ ...

    There are some fundamental rules to follow when setting up a PA system. These rules are essential to follow to ensure that your audio sounds great without noise.

    There are many reasons you might need a PA system. If you are hosting an event where there will be multiple people speaking, you will need a PA system so that everyone can be heard loud and clear. If you are a musician who is playing at a small venue, you may need a PA system to amplify your sound. Any situation where you need to be heard by a medi...

    A PA system is an audio amplification system that is used in a variety of settings, such as live music venues and conference rooms. A typical PA system comprises several components, including microphones, mixers, amplifiers, speakers, and cabling. The technical specifications of a PA system will vary depending on the size and purpose of the system....

  5. 2022年3月9日 · PA 系统代表“公共广播系统”。 PA 系统的起源可以追溯到 1910 年左右,当时伊利诺伊州芝加哥的 Automatic Electric Company 宣布开发了一种扬声器,并以 Automatic Enunciator 的名义销售。 到 1913 年,芝加哥的 Comiskey Park 棒球场安装了多个单元,用于发布公告和提供音乐插曲。 引用查尔斯·A·科米斯基的话说:“扩音器人的日子已经过去了。 ” PA 系统不仅仅指在音乐场所和节日盛行的扬声器箱。 任何一个或多个扬声器的系统,旨在向一群人复制音频或语音,都可以称为 PA 系统。 但是,出于本文的目的,我们将讨论典型的音乐会和活动 PA 系统。 主要成分. 扬声器. 在考虑 PA 系统时,首先想到的组件是最重要的组件,即扬声器。

  6. PA system翻译:有线广播系统(public address system的缩写)。 了解更多。

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