大学英语六级讲义与笔记:阅读部分(十)
<p> <span word="Every">Every</span> <span word="year">year</span> <span word="television">television</span> <span word="stations">stations</span> <span word="receive">receive</span> <span word="hundreds">hundreds</span> <span word="of">of</span> <span word="complaints">complaints</span> <span word="about">about</span> <span word="the">the</span> <span word="loudness">loudness</span> <span word="of">of</span> <span word="advertisements">advertisements</span>. <span word="However">However</span>, <span word="federal">federal</span> <span word="rules">rules</span> <span word="forbid">forbid</span> <span word="the">the</span> <span word="practice">practice</span> <span word="of">of</span> <span word="making">making</span> <span word="ads">ads</span> <span word="louder">louder</span> <span word="than">than</span> <span word="the">the</span> <span word="programming">programming</span>. <span word="In">In</span> <span word="addition">addition</span>, <span word="television">television</span> <span word="stations">stations</span> <span word="always">always</span> <span word="operate">operate</span> <span word="at">at</span> <span word="the">the</span> <span word="highest">highest</span> <span word="sound">sound</span> <span word="level">level</span> <span word="allowed">allowed</span> <span word="for">for</span> <span word="reasons">reasons</span> <span word="of">of</span> <span word="efficiency">efficiency</span>. <span word="According">According</span> <span word="to">to</span> <span word="one">one</span> <span word="NBC">NBC</span> <span word="executive">executive</span>, <span word="no">no</span> <span word="difference">difference</span> <span word="exists">exists</span> <span word="in">in</span> <span word="the">the</span> <span word="peak">peak</span> <span word="sound">sound</span> <span word="level">level</span> <span word="of">of</span> <span word="ads">ads</span> <span word="and">and</span> <span word="programming">programming</span>. <span word="Given">Given</span> <span word="this">this</span> <span word="information">information</span> <span word="why">why</span> <span word="do">do</span> <span word="commercials">commercials</span> <span word="sound">sound</span> <span word="so">so</span> <span word="loud">loud</span>?</p><p> <span word="The">The</span> <span word="sensation">sensation</span> <span word="of">of</span> <span word="sound">sound</span> <span word="involves">involves</span> <span word="a">a</span> <span word="variety">variety</span> <span word="of">of</span> <span word="factors">factors</span> <span word="in">in</span> <span word="addition">addition</span> <span word="to">to</span> <span word="its">its</span> <span word="speak">speak</span> <span word="level">level</span>. <span word="Advertisers">Advertisers</span> <span word="are">are</span> <span word="skilful">skilful</span> <span word="at">at</span> <span word="creating">creating</span> <span word="the">the</span> <span word="impression">impression</span> <span word="of">of</span> <span word="loudness">loudness</span> <span word="through">through</span> <span word="their">their</span> <span word="expert">expert</span> <span word="use">use</span> <span word="of">of</span> <span word="such">such</span> <span word="factors">factors</span>. ①<span word="One">One</span> <span word="major">major</span> <span word="contributor">contributor</span> <span word="to">to</span> <span word="the">the</span> <span word="perceived">perceived</span> <span word="loudness">loudness</span> <span word="of">of</span> <span word="commercials">commercials</span> <span word="is">is</span> <span word="that">that</span> <span word="mush">mush</span> <span word="less">less</span> <span word="variation">variation</span> <span word="in">in</span> <span word="sound">sound</span> <span word="level">level</span> <span word="occurs">occurs</span> <span word="during">during</span> <span word="a">a</span> <span word="commercial">commercial</span>. <span word="In">In</span> <span word="regular">regular</span> <span word="programming">programming</span> <span word="the">the</span> <span word="intensity">intensity</span> <span word="of">of</span> <span word="sound">sound</span> <span word="varies">varies</span> <span word="over">over</span> <span word="a">a</span> <span word="large">large</span> <span word="range">range</span>. <span word="However">However</span>, <span word="sound">sound</span> <span word="levels">levels</span> <span word="in">in</span> <span word="commercials">commercials</span> <span word="tend">tend</span> <span word="to">to</span> <span word="stay">stay</span> <span word="at">at</span> <span word="or">or</span> <span word="near">near</span> <span word="peak">peak</span> <span word="levels">levels</span>.</p><p> ②<span word="Other">Other</span> <span word="tricks">tricks</span> <span word="of">of</span> <span word="the">the</span> <span word="trade">trade</span> <span word="are">are</span> <span word="also">also</span> <span word="used">used</span>. <span word="Because">Because</span> <span word="low">low</span>-<span word="frequency">frequency</span> <span word="sounds">sounds</span> <span word="can">can</span> <span word="mask">mask</span> <span word="higher">higher</span> <span word="frequency">frequency</span> <span word="sounds">sounds</span>, <span word="advertisers">advertisers</span> <span word="filter">filter</span> <span word="out">out</span> <span word="any">any</span> <span word="noises">noises</span> <span word="that">that</span> <span word="may">may</span> <span word="drown">drown</span> <span word="out">out</span> <span word="the">the</span> <span word="primary">primary</span> <span word="message">message</span>. <span word="In">In</span> <span word="addition">addition</span>, <span word="the">the</span> <span word="human">human</span> <span word="voice">voice</span> <span word="has">has</span> <span word="more">more</span> <span word="auditory">auditory</span> <span word="impact">impact</span> <span word="in">in</span> <span word="the">the</span> <span word="middle">middle</span> <span word="frequency">frequency</span> <span word="ranges">ranges</span>. <span word="Advertisers">Advertisers</span> <span word="electronically">electronically</span> <span word="vary">vary</span> <span word="voice">voice</span> <span word="sounds">sounds</span> <span word="so">so</span> <span word="that">that</span> <span word="they">they</span> <span word="stay">stay</span> <span word="within">within</span> <span word="such">such</span> <span word="a">a</span> <span word="frequency">frequency</span> <span word="band">band</span>. ③<span word="Another">Another</span> <span word="approach">approach</span> <span word="is">is</span> <span word="to">to</span> <span word="write">write</span> <span word="the">the</span> <span word="script">script</span> <span word="so">so</span> <span word="that">that</span> <span word="lots">lots</span> <span word="of">of</span> <span word="consonants">consonants</span> <span word="are">are</span> <span word="used">used</span>, <span word="because">because</span> <span word="people">people</span> <span word="are">are</span> <span word="more">more</span> <span word="aware">aware</span> <span word="of">of</span> <span word="consonants">consonants</span> <span word="than">than</span> <span word="vowel">vowel</span> <span word="sounds">sounds</span>. ④<span word="Finally">Finally</span>, <span word="advertisers">advertisers</span> <span word="try">try</span> <span word="to">to</span> <span word="begin">begin</span> <span word="commercials">commercials</span> <span word="with">with</span> <span word="sounds">sounds</span> <span word="that">that</span> <span word="are">are</span> <span word="highly">highly</span> <span word="different">different</span> <span word="from">from</span> <span word="those">those</span> <span word="of">of</span> <span word="the">the</span> <span word="programming">programming</span> <span word="within">within</span> <span word="which">which</span> <span word="the">the</span> <span word="commercial">commercial</span> <span word="is">is</span> <span word="buried">buried</span>. <span word="Because">Because</span> <span word="people">people</span> <span word="become">become</span> <span word="adapted">adapted</span> <span word="to">to</span> <span word="the">the</span> <span word="type">type</span> <span word="of">of</span> <span word="sounds">sounds</span> <span word="coming">coming</span> <span word="from">from</span> <span word="programming">programming</span>, <span word="a">a</span> <span word="dramatic">dramatic</span> <span word="change">change</span> <span word="in">in</span> <span word="sound">sound</span> <span word="quality">quality</span> <span word="draws">draws</span> <span word="viewer">viewer</span> <span word="an">an</span> <span word="attention">attention</span>. <span word="For">For</span> <span word="example">example</span>, <span word="notice">notice</span> <span word="how">how</span> <span word="many">many</span> <span word="commercials">commercials</span> <span word="begin">begin</span> <span word="with">with</span> <span word="a">a</span> <span word="cheerful">cheerful</span> <span word="song">song</span> <span word="of">of</span> <span word="some">some</span> <span word="type">type</span>.</p>
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