223015b phase 3: summary-organizer demo (kap1 folie 40 zusammenfassung). spiegelt pivot-signal-zu-byte aber mit beiden strangs ausformuliert: welt → byte (pink, links): sampling-rate, bittiefe, datenrate-formel, nyquist 2f, aliasing+moiré, 44.1 khz; byte → bedeutung (cyan, rechts): bit/byte/hex, 8 bit = 256 zustände, ASCII+UTF-8, magic number, KB vs KiB, hex im alltag. mitte: datei mit hex-bytes als verbindungsstück. verdict 'eine datei ist kein mysterium — eine reihe von zahlen mit zwei geschichten dran: eine erzählt woher die zahlen kommen, die andere was sie bedeuten. beide kennst du jetzt'. kap1-demos jetzt komplett (6 NEU: drei-dateien, kb-vs-kib, pivot, nyquist, aliasing-paar, summary)
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<title>Was wir in 90 Minuten gelernt haben</title>
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<style>
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:root {
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--dark: #1a1a2e;
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--muted: #6b7280;
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--soft: #f8fafc;
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--border: #cbd5e1;
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--hl: #d63384;
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--left: #d63384;
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--right: #0891b2;
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--bytes: #0891b2;
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}
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html, body { margin: 0; padding: 0; background: #fff; font-family: system-ui, -apple-system, sans-serif; color: var(--dark); }
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body { padding: 30px 40px; }
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h1 { text-align: center; margin: 0 0 6px; font-size: 1.75rem; }
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.sub { text-align: center; color: var(--muted); margin-bottom: 28px; font-size: 1.05rem; }
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.sub strong { color: var(--dark); }
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.recap {
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display: grid;
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grid-template-columns: 160px 1fr 200px 1fr 160px;
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gap: 10px;
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max-width: 1200px;
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margin: 0 auto;
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align-items: center;
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}
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.station {
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border: 2px solid var(--border);
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border-radius: 10px;
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padding: 18px 12px;
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background: #fff;
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text-align: center;
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 6px;
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}
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.station.bytes { border-color: var(--bytes); background: #0f0f23; color: #fff; }
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.station-tag {
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font-size: 0.7rem;
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font-weight: 700;
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text-transform: uppercase;
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letter-spacing: 0.12em;
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color: var(--muted);
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}
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.station.bytes .station-tag { color: #94a3b8; }
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.station-name { font-size: 1.3rem; font-weight: 700; }
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.station.bytes .station-name { color: #67e8f9; }
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.station-detail { font-size: 0.78rem; color: var(--muted); line-height: 1.35; }
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.station.bytes .station-detail { color: #94a3b8; font-family: ui-monospace, monospace; font-size: 0.76rem; line-height: 1.35; }
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.strang {
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display: flex;
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flex-direction: column;
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gap: 6px;
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padding: 0 6px;
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}
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.strang-arrow { text-align: center; }
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.strang-arrow svg { width: 100%; height: 18px; }
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.strang-title {
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font-size: 0.92rem;
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font-weight: 700;
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text-align: center;
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line-height: 1.3;
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}
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.strang.left .strang-title { color: var(--left); }
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.strang.right .strang-title { color: var(--right); }
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.strang-list {
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display: flex;
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flex-direction: column;
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gap: 3px;
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list-style: none;
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margin: 0;
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padding: 0;
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background: var(--soft);
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border: 1px solid var(--border);
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border-radius: 8px;
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padding: 8px 12px;
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}
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.strang-list li {
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font-size: 0.82rem;
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color: var(--dark);
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padding-left: 12px;
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position: relative;
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line-height: 1.4;
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}
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.strang-list li::before {
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content: "·";
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position: absolute;
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left: 0;
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top: 0;
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font-weight: 700;
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}
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.strang.left .strang-list li::before { color: var(--left); }
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.strang.right .strang-list li::before { color: var(--right); }
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.verdict {
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margin-top: 22px;
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max-width: 1200px;
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margin-left: auto;
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margin-right: auto;
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text-align: center;
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border: 2px solid var(--hl);
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border-radius: 12px;
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padding: 14px 22px;
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}
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.verdict-q { font-size: 1.1rem; font-weight: 700; color: var(--hl); }
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.verdict-a { font-size: 0.95rem; color: var(--dark); margin-top: 4px; }
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.verdict-a strong { color: var(--hl); }
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</style>
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</head>
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<body>
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<h1>Was wir in 90 Minuten gelernt haben</h1>
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<div class="sub">Beide Wege gehen durch <strong>dieselbe Mitte</strong>. Du kennst jetzt alle Stationen.</div>
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<div class="recap">
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<div class="station">
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<div class="station-tag">Quelle</div>
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<div class="station-name">Welt</div>
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<div class="station-detail">Schallwelle<br>Lichtwelle<br>kontinuierlich · analog</div>
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</div>
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<div class="strang left">
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<div class="strang-arrow">
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<svg viewBox="0 0 200 18" preserveAspectRatio="none">
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<line x1="6" y1="9" x2="180" y2="9" stroke="#d63384" stroke-width="2"/>
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<path d="M174,3 L188,9 L174,15" stroke="#d63384" stroke-width="2" fill="none"/>
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</svg>
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</div>
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<div class="strang-title">Welt → Byte</div>
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<ul class="strang-list">
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<li>Sampling-Rate</li>
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<li>Bittiefe · Quantisierung</li>
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<li>Datenrate-Formel</li>
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<li>Nyquist · 2·f<sub>max</sub></li>
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<li>Aliasing & Moiré</li>
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<li>44,1 kHz = 2·20 kHz + Marge</li>
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</ul>
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</div>
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<div class="station bytes">
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<div class="station-tag">Mitte</div>
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<div class="station-name">Datei</div>
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<div class="station-detail">
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Byte-Strom<br>
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89 50 4E 47<br>
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nichts als Zahlen
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</div>
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</div>
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<div class="strang right">
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<div class="strang-arrow">
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<svg viewBox="0 0 200 18" preserveAspectRatio="none">
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<line x1="6" y1="9" x2="180" y2="9" stroke="#0891b2" stroke-width="2"/>
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<path d="M174,3 L188,9 L174,15" stroke="#0891b2" stroke-width="2" fill="none"/>
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</svg>
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</div>
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<div class="strang-title">Byte → Bedeutung</div>
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<ul class="strang-list">
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<li>Bit · Byte · Hex</li>
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<li>8 Bit = 256 Zustände</li>
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<li>ASCII · UTF-8</li>
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<li>Magic Number</li>
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<li>KB vs KiB</li>
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<li>Hex im Alltag (CSS, MAC)</li>
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</ul>
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</div>
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<div class="station">
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<div class="station-tag">Ziel</div>
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<div class="station-name">Mensch</div>
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<div class="station-detail">Text · Bild · Klang<br>Bedeutung<br>verstehen</div>
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</div>
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</div>
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<div class="verdict">
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<div class="verdict-q">Eine Datei ist kein Mysterium. Es ist eine <strong>Reihe von Zahlen</strong> mit zwei Geschichten dran.</div>
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<div class="verdict-a">Eine Geschichte erzählt, <strong>woher</strong> die Zahlen kommen. Die andere, <strong>was</strong> sie bedeuten. Beide kennst du jetzt.</div>
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</div>
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</body>
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</html>
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