<font size=4.97em><b>홈레코딩 위키</b></font> - playground
by <a href="https://riversidejazz.imweb.me" target="_blank">리버사이드 재즈 레이블</a>
https://www.homerecz.com/
2026-04-20T23:03:43+00:00
<font size=4.97em><b>홈레코딩 위키</b></font>
https://www.homerecz.com/
https://www.homerecz.com/lib/exe/fetch.php/wiki/logo.png
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2025-05-25T05:58:50+00:00
Anonymous (anonymous@undisclosed.example.com)
연습장
https://www.homerecz.com/doku.php/playground/playground
<h1 class="sectionedit1" id="연습장">연습장</h1>
<div class="level1">
<p>
A<a href="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/measurement/weighted" class="wikilink1" target="_blank" title="음향:measurement:weighted" data-wiki-id="음향:measurement:weighted">-Weighted</a>
</p>
<p>
A<a href="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/measurement/weighted" class="wikilink1" target="_blank" title="음향:measurement:weighted" data-wiki-id="음향:measurement:weighted">-Weight</a>
</p>
<p>
A-Heav<a href="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/measurement/weighted" class="wikilink1" target="_blank" title="음향:measurement:weighted" data-wiki-id="음향:measurement:weighted">yWeight</a>
</p>
<p>
<a href="https://www.homerecz.com/doku.php/%EC%A0%95%EC%8A%B9%ED%99%98_%EC%BB%AC%EB%9F%BC/%EC%9D%B4%EB%A8%B8%EC%8B%9C%EB%B8%8C_%EC%98%A4%EB%94%94%EC%98%A4_%EC%8A%A4%ED%8A%9C%EB%94%94%EC%98%A4_%EA%B5%AC%EC%B6%95/apogee_%EC%9D%B8%ED%84%B0%ED%8E%98%EC%9D%B4%EC%8A%A4%EC%99%80_ik_multimedia_%EB%AA%A8%EB%8B%88%ED%84%B0_%ED%99%9C%EC%9A%A9_%EA%B0%80%EC%9D%B4%EB%93%9C" class="wikilink2" target="_blank" title="정승환_컬럼:이머시브_오디오_스튜디오_구축:apogee_인터페이스와_ik_multimedia_모니터_활용_가이드" rel="nofollow" data-wiki-id="정승환_컬럼:이머시브_오디오_스튜디오_구축:apogee_인터페이스와_ik_multimedia_모니터_활용_가이드">apogee_인터페이스와_ik_multimedia_모니터_활용_가이드</a>
</p>
</div>
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2026-01-04T05:02:30+00:00
Anonymous (anonymous@undisclosed.example.com)
ROI
https://www.homerecz.com/doku.php/playground/roi
<h1 class="sectionedit1" id="roi">ROI</h1>
<div class="level1">
<p>
ROI는 넓게 보면 <em>투자대비 효율</em>을 뜻하는 개념이 맞습니다. 좀 더 정확히 말하면, 투자해서 얼마를 <strong>벌었는지</strong>(또는 잃었는지)를 비율로 나타낸 <strong>투자 수익률</strong>입니다.
</p>
</div>
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<h2 class="sectionedit2" id="roi_기본_개념">ROI 기본 개념</h2>
<div class="level2">
<ul>
<li class="level1"><div class="li"> ROI는 <strong>Return on Investment</strong>의 약자이고, 한국어로는 <strong>투자수익률</strong>·<strong>투자대비 수익</strong> 정도로 번역합니다.</div>
</li>
<li class="level1"><div class="li"> “투자해서 이만큼 벌었으니, 효율이 어느 정도다”를 숫자로 표현한 지표라서, 효율·수익성을 볼 때 많이 씁니다.</div>
</li>
</ul>
</div>
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<h2 class="sectionedit3" id="계산식과_간단_예시">계산식과 간단 예시</h2>
<div class="level2">
<ul>
<li class="level1"><div class="li"> 기본 공식: <strong>ROI = (투자에서 얻은 이익 - 투자비용) / 투자비용 × 100%</strong></div>
</li>
<li class="level1"><div class="li"> 예시: 100만 원 투자해서 120만 원을 회수했다면,<strong>이익 = 20만 원</strong>, <strong>ROI = 20만 / 100만 × 100% = 20%</strong></div>
</li>
</ul>
</div>
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<h2 class="sectionedit4" id="어디에_쓰이는지">어디에 쓰이는지</h2>
<div class="level2">
<ul>
<li class="level1"><div class="li"> <strong>주식·부동산</strong> 같은 금융 투자 수익성 비교.</div>
</li>
<li class="level1"><div class="li"> <strong>마케팅/광고</strong>에서 “광고비 대비 매출이 얼마나 나왔나?”를 볼 때.</div>
</li>
<li class="level1"><div class="li"> <strong>IT·설비 투자</strong>에서 “이 시스템 깔았더니 비용절감/매출증가가 어느 정도인가?”를 평가할 때.</div>
</li>
</ul>
</div>
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<h2 class="sectionedit5" id="투자대비_효율_이랑은_뭐가_다른가">"투자대비 효율"이랑은 뭐가 다른가</h2>
<div class="level2">
<ul>
<li class="level1"><div class="li"> 일상적으로는 <strong>ROI ≒ 투자대비 효율</strong>이라고 써도 크게 틀리진 않습니다.</div>
</li>
<li class="level1"><div class="li"> 다만 ROI는 <strong>금전적 수익률</strong>에 초점을 둔 재무지표이고, 효율은 시간·품질·작업량 등 비금전적 요소까지 포함해서 더 넓게 쓸 수 있다는 정도의 차이가 있습니다.</div>
</li>
</ul>
</div>
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2025-12-12T23:33:59+00:00
Anonymous (anonymous@undisclosed.example.com)
놀이터
https://www.homerecz.com/doku.php/playground/start
<h1 class="sectionedit1" id="놀이터">놀이터</h1>
<div class="level1">
<p>
여기서는 자유롭게 문서를 작성하고 댓글 달고 노시면 됩니다.
</p>
<p>
단, 부적절한 내용은 제제 받을 수 있습니다.
</p>
<p>
<a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=이펙터 프로세서" class="wikilink1" target="_blank" title="start" data-wiki-id="start">이펙터</a> <a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=이펙트 효과 FX" class="wikilink1" target="_blank" title="start" data-wiki-id="start">이펙트</a> <a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=송신기 트랜스미터" class="wikilink1" target="_blank" title="start" data-wiki-id="start">송신기</a> <a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=수신기 리시버" class="wikilink1" target="_blank" title="start" data-wiki-id="start">수신기</a> <a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=송신기 수신기 송수신기" class="wikilink1" target="_blank" title="start" data-wiki-id="start">송수신기</a>, <a href="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/digital/digital_filter" class="wikilink1" target="_blank" title="음향:digital:digital_filter" data-wiki-id="음향:digital:digital_filter">FIR</a> <a href="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/digital/digital_filter" class="wikilink1" target="_blank" title="음향:digital:digital_filter" data-wiki-id="음향:digital:digital_filter">IIR</a> <a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=클래스" class="wikilink1" target="_blank" title="start" data-wiki-id="start">Class</a>-AB, <a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=클래스" class="wikilink1" target="_blank" title="start" data-wiki-id="start">Class</a>-A, <a href="https://www.homerecz.com/doku.php/start?do=showtag&tag=클래스" class="wikilink1" target="_blank" title="start" data-wiki-id="start">Class</a>-B, <a href="https://www.homerecz.com/doku.php/%EB%B0%A9%EC%86%A1%EC%98%81%EC%83%81/hdmi" class="wikilink1" target="_blank" title="방송영상:hdmi" data-wiki-id="방송영상:hdmi">HDMI</a>를
</p>
<p>
<doodle>
</p>
<pre class="code">title="What do you like best?"
auth="none|ip|user"
adminUsers="user1|user2"
adminGroups="group1|group2"
voteType="single|multi"
fieldwidth="auto|123px"
closed="true|false"
showMode="all|own"
showSum="true|false"
userlist="vertical|horizontal"
printname="both|fullname|username"</pre>
<p>
>
</p>
<ul>
<li class="level1"><div class="li"> Option 1 </div>
</li>
<li class="level1"><div class="li"> Option 2 <strong>some wikimarkup</strong> <br/>
is <em class="u">allowed</em>!</div>
</li>
<li class="level1"><div class="li"> Option 3</div>
</li>
</ul>
<p>
</doodle>
</p>
<p>
하이브<a href="https://www.homerecz.com/doku.php/%EC%95%85%EA%B8%B0/synthesizer/lead" class="wikilink1" target="_blank" title="악기:synthesizer:lead" data-wiki-id="악기:synthesizer:lead">리드</a> <a href="https://www.homerecz.com/doku.php/%EC%95%85%EA%B8%B0/synthesizer/lead" class="wikilink1" target="_blank" title="악기:synthesizer:lead" data-wiki-id="악기:synthesizer:lead">리드</a> <a href="https://www.homerecz.com/doku.php/%EC%95%85%EA%B8%B0/synthesizer/lead" class="wikilink1" target="_blank" title="악기:synthesizer:lead" data-wiki-id="악기:synthesizer:lead">리드</a>의
</p>
</div>
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