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第1369章:广播时代的前夜(Ⅱ)

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最新网址:m.ltxsdz.com

“面对广场上数以千计的听众,演说者想把每个字都清楚的传递到市民耳中并不容易,更何况下面还有大群反对派听众,这些反对派往往会在党魁的带领下组织起来,集体为演说者喝倒彩,发出鼓噪的声音以打断演说,干扰对方的思路,演说者的嗓门再大也敌不过众人的鼓噪,为此就需要一种工具来提高演说者的音量以压制噪音,‘扩音术’应运而生。最新地址ltxsba.pw”

罗兰喝一口灯塔山特产的提神醒脑茶润润喉咙,继续说:“‘扩音术’虽然只是一个非常简单的0环戏法,但是为公众生活带来极大的便利,由于街头演说者本人大多不会施法,为了方便扩大音量,就有聪明人想到将这一法术恒定在铁皮或者木质的广口喇叭上,由此创造出一种具有扩音功能的简单魔导器——扩音喇叭,手持喇叭在街头演讲的人,也被称为‘发表广播’,‘广场式广播’由此诞生,时至今日,扩音喇叭已经不再是政治人物和社会活动家的专用工具,市场上叫卖水果的小贩,宣称减价促销的商铺,还有学校里向学生们训话的校长,手中总会有一只扩音喇叭,‘广播’这一概念由此深入人心。”

“诠释的非常好,我还想听你说一说‘酒店式’广播模式。”安德烈鼓励道。

罗兰又喝了口茶。穿越到瓦雷斯这些年,他习惯于饮用远东人的“国民饮品”——发酵红茶,而灯塔山流行的却是一种未经发酵、色泽青碧、更接近地球上“绿茶”的饮品,口味清淡甘爽,还添加了多种提神醒脑的草药,对奥术施法者进行冥想很有帮助。罗兰在地球上的时候也是饮用绿茶多过红茶,灯塔山的草药茶给他带来一种混合了思乡情绪的亲切感,暗自决定多买一些“左契绿茶”带回寇拉斯堡分赠亲友。

“基于‘扩音术’的‘广场式广播’存在一个难以克服的短板:演说者无法对听众进行筛选,比如我只想对广场上的男同胞讲几句心里话,但是扩音喇叭发出的声音同样会传到女同胞耳中,这就很尴尬……反言之,听众也无法拒绝收听广播,比如我住在市政广场附近,每天都被广播吵得心烦意乱,恨不得塞住耳朵,为了克服上述短板,人们需要一种更有针对性、更注重维护隐私的广播模式,这种模式首先诞生于酒店行业,酒店的住客总会需要客房服务,而又不想亲自下楼寻找侍者,迫切需要一种方便的客服系统。”

“为了满足上述需求,机关术士们首先发明了一种‘扯铃装置’,在客房与服务台之间安装一条细线,一端固定在客房床边,另一端则绑在铃铛上,客人在自己的卧室里扯动绳索,楼下服务台的铃铛就会发出掌声,侍者根据铃铛上标记出的房间号码,看出哪位客人需要服务,就会尽快赶到,这种系统在当今的乡村小旅馆中还在沿用,但是大城市的豪华酒店则将之抛弃,因为仅仅是铃声还无法充分传达住客的需求。”

说到这里,罗兰打了一个形象的比方。

“比如我住在酒店三楼,想要一壶开水,于是扯响铃铛,侍者爬上三楼敲开我的房门,问过我的需要之后还得下楼去提水壶,这样大费周折无疑加重了侍者的劳动量,降低了服务效率,同时也给我带来干扰——不得不开两次门,等待双倍的时间才能喝上开水。”

“为此就需要对‘扯铃系统’加以改造,使这一系统能够传递更精确的信息。”安德烈笑着说。

“没错,现在已经无法考察是谁发明了改良系统,他的办法是把连接客房与服务台的鱼线改成了拇指细的铜管,作为传声通道,住客可以通过管道一端的喇叭口喊话,经过‘扩音术’的放大效应,清楚的传递到楼下服务台,侍者由此得知房客究竟需要何种服务,这就是最原始的‘酒店式广播’系统。”罗兰回忆了一下瓦雷斯广播技术的发展史,接着说,“随着时间的推移,人们发现上述传声系统还不够完美,比如房客在卧室中与人谈话的时候,这些不希望被外人听见的对话也会通过传音喇叭传到侍者耳中,由此带来许多麻烦,于是某位聪明的法师就对‘扩音术’加以改良,发明出另一个伟大的0环法术‘传讯术’,这个法术可以使话语传递到特定的目标耳中,周围的人则连一个字也听不见,这项技术大大改进了酒店广播系统,很快就有人发现‘传讯术’能够同时为多个目标传递声音讯号,这一特点立刻被机智的酒店主人应用于商业宣传,在酒店,中专门开辟了一间播音室,安置恒定了‘传讯术’的播音喇叭,同时在餐厅、酒吧、吸烟室、饮茶室、棋牌室、游泳池等为客人提供娱乐休闲活动的酒店内部设施安置可以接收广播的扩音喇叭,如此一来,当酒店侍者在播音室中介绍本店的特色菜与名酒之时,声音就会传到各处休闲设施的住客耳中;后来出于安全考虑,高档酒店又普遍安装了紧急广播系统,当酒店发生火灾的时候,可以在播音室中发出警报,并且通过广播网络传到所有客房,唤醒沉睡中的住客,至此‘酒店式广播系统’臻至完美,并且迅速向其它行业推广,比如轮船和飞艇上大多安装了这种广播系统,我们寇拉斯堡的政府和银行办公楼也都安装了这种广播系统,这样一来,人们坐在自己的办公室里就可以与楼上楼下的同事交流,官员和老板亦可借助该系统一次性将指令传达给位于不同办公室中的多名下属,非常方便。”

当罗兰结束长达十分钟的讲述,安德烈隔空施展“法师之手”端起茶壶,为他斟满一杯清香飘逸的草药茶。

“你对魔导广播的了解称得上深入细致,那么在你看来,要将现有的广播模式升级为全国广播网,在技术层面还存在哪些障碍?”

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