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| 1 | +import React from 'react'; |
| 2 | + |
| 3 | +/** |
| 4 | + * Static diagram for the best-of-N self-verification fix: |
| 5 | + * one prompt → the TTS model draws several candidate takes → |
| 6 | + * ASR transcribes each → keep the take whose transcript matches the text. |
| 7 | + * |
| 8 | + * Theme-aware: strokes and text use `currentColor`, so it adapts to |
| 9 | + * light/dark mode. Pass/fail accents use fixed accessible green/red. |
| 10 | + */ |
| 11 | +export default function BestOfNDiagram(): JSX.Element { |
| 12 | + const ok = '#2e8b57'; |
| 13 | + const bad = '#d9534f'; |
| 14 | + |
| 15 | + // y-centres for the three candidate rows |
| 16 | + const rows = [56, 130, 204]; |
| 17 | + |
| 18 | + return ( |
| 19 | + <figure style={{ margin: '2rem 0' }}> |
| 20 | + <svg |
| 21 | + viewBox="0 0 760 260" |
| 22 | + role="img" |
| 23 | + aria-label="One prompt is sampled into several candidate takes; each is transcribed by ASR; the take whose transcript matches the text is kept." |
| 24 | + style={{ |
| 25 | + width: '100%', |
| 26 | + height: 'auto', |
| 27 | + color: 'var(--ifm-font-color-base)', |
| 28 | + }} |
| 29 | + fill="none" |
| 30 | + > |
| 31 | + {/* Stage labels */} |
| 32 | + <g |
| 33 | + fontSize="12" |
| 34 | + fontWeight={600} |
| 35 | + textAnchor="middle" |
| 36 | + fill="currentColor" |
| 37 | + opacity={0.6} |
| 38 | + > |
| 39 | + <text x="70" y="20"> |
| 40 | + Prompt |
| 41 | + </text> |
| 42 | + <text x="300" y="20"> |
| 43 | + Sample N takes |
| 44 | + </text> |
| 45 | + <text x="500" y="20"> |
| 46 | + Transcribe (ASR) |
| 47 | + </text> |
| 48 | + <text x="680" y="20"> |
| 49 | + Keep the match |
| 50 | + </text> |
| 51 | + </g> |
| 52 | + |
| 53 | + {/* Prompt / TTS model box */} |
| 54 | + <rect |
| 55 | + x="20" |
| 56 | + y="100" |
| 57 | + width="100" |
| 58 | + height="60" |
| 59 | + rx="8" |
| 60 | + stroke="currentColor" |
| 61 | + strokeWidth={1.5} |
| 62 | + /> |
| 63 | + <text |
| 64 | + x="70" |
| 65 | + y="126" |
| 66 | + fontSize="12" |
| 67 | + textAnchor="middle" |
| 68 | + fill="currentColor" |
| 69 | + > |
| 70 | + TTS model |
| 71 | + </text> |
| 72 | + <text |
| 73 | + x="70" |
| 74 | + y="144" |
| 75 | + fontSize="11" |
| 76 | + textAnchor="middle" |
| 77 | + fill="currentColor" |
| 78 | + opacity={0.6} |
| 79 | + > |
| 80 | + “…brown fox” |
| 81 | + </text> |
| 82 | + |
| 83 | + {/* Fan-out arrows from model to each candidate */} |
| 84 | + {rows.map((y) => ( |
| 85 | + <path |
| 86 | + key={`fan-${y}`} |
| 87 | + d={`M120 130 C 160 130, 170 ${y}, 200 ${y}`} |
| 88 | + stroke="currentColor" |
| 89 | + strokeWidth={1.25} |
| 90 | + opacity={0.5} |
| 91 | + /> |
| 92 | + ))} |
| 93 | + |
| 94 | + {/* Candidate takes (waveforms) + ASR transcripts + verdicts */} |
| 95 | + {[ |
| 96 | + { wave: 'flat', text: '(silence)', good: false }, |
| 97 | + { wave: 'speech', text: '“…brown fox”', good: true }, |
| 98 | + { wave: 'loop', text: '“fox fox fox”', good: false }, |
| 99 | + ].map((c, i) => { |
| 100 | + const y = rows[i]; |
| 101 | + const accent = c.good ? ok : bad; |
| 102 | + // simple waveform glyphs |
| 103 | + const wave = |
| 104 | + c.wave === 'flat' |
| 105 | + ? `M210 ${y} L290 ${y}` |
| 106 | + : c.wave === 'loop' |
| 107 | + ? `M210 ${y} q10 -14 20 0 q10 14 20 0 q10 -14 20 0 q10 14 20 0` |
| 108 | + : `M210 ${y} q6 -16 12 0 q6 18 12 0 q6 -22 12 0 q6 14 12 0 q6 -10 12 0 q6 16 12 0`; |
| 109 | + return ( |
| 110 | + <g key={`cand-${i}`}> |
| 111 | + {/* candidate take */} |
| 112 | + <rect |
| 113 | + x="200" |
| 114 | + y={y - 26} |
| 115 | + width="100" |
| 116 | + height="52" |
| 117 | + rx="8" |
| 118 | + stroke="currentColor" |
| 119 | + strokeWidth={1.25} |
| 120 | + opacity={0.8} |
| 121 | + /> |
| 122 | + <path |
| 123 | + d={wave} |
| 124 | + stroke={accent} |
| 125 | + strokeWidth={1.75} |
| 126 | + strokeLinecap="round" |
| 127 | + /> |
| 128 | + |
| 129 | + {/* arrow candidate -> transcript */} |
| 130 | + <path |
| 131 | + d={`M300 ${y} L360 ${y}`} |
| 132 | + stroke="currentColor" |
| 133 | + strokeWidth={1.25} |
| 134 | + opacity={0.5} |
| 135 | + markerEnd="url(#arrow)" |
| 136 | + /> |
| 137 | + |
| 138 | + {/* transcript box */} |
| 139 | + <rect |
| 140 | + x="360" |
| 141 | + y={y - 20} |
| 142 | + width="160" |
| 143 | + height="40" |
| 144 | + rx="8" |
| 145 | + stroke="currentColor" |
| 146 | + strokeWidth={1.25} |
| 147 | + opacity={0.8} |
| 148 | + /> |
| 149 | + <text |
| 150 | + x="440" |
| 151 | + y={y + 4} |
| 152 | + fontSize="12" |
| 153 | + textAnchor="middle" |
| 154 | + fill="currentColor" |
| 155 | + > |
| 156 | + {c.text} |
| 157 | + </text> |
| 158 | + |
| 159 | + {/* verdict */} |
| 160 | + <text |
| 161 | + x="548" |
| 162 | + y={y + 6} |
| 163 | + fontSize="18" |
| 164 | + fontWeight={700} |
| 165 | + textAnchor="middle" |
| 166 | + fill={accent} |
| 167 | + > |
| 168 | + {c.good ? '✓' : '✗'} |
| 169 | + </text> |
| 170 | + </g> |
| 171 | + ); |
| 172 | + })} |
| 173 | + |
| 174 | + {/* arrow from the matching transcript to the kept take */} |
| 175 | + <path |
| 176 | + d={`M572 ${rows[1]} C 620 ${rows[1]}, 620 ${rows[1]}, 640 ${rows[1]}`} |
| 177 | + stroke={ok} |
| 178 | + strokeWidth={1.75} |
| 179 | + markerEnd="url(#arrowOk)" |
| 180 | + /> |
| 181 | + |
| 182 | + {/* kept take box */} |
| 183 | + <rect |
| 184 | + x="640" |
| 185 | + y={rows[1] - 26} |
| 186 | + width="100" |
| 187 | + height="52" |
| 188 | + rx="8" |
| 189 | + stroke={ok} |
| 190 | + strokeWidth={1.75} |
| 191 | + /> |
| 192 | + <text |
| 193 | + x="690" |
| 194 | + y={rows[1] + 4} |
| 195 | + fontSize="12" |
| 196 | + fontWeight={600} |
| 197 | + textAnchor="middle" |
| 198 | + fill="currentColor" |
| 199 | + > |
| 200 | + clean take |
| 201 | + </text> |
| 202 | + |
| 203 | + {/* arrowheads */} |
| 204 | + <defs> |
| 205 | + <marker |
| 206 | + id="arrow" |
| 207 | + viewBox="0 0 10 10" |
| 208 | + refX="8" |
| 209 | + refY="5" |
| 210 | + markerWidth="6" |
| 211 | + markerHeight="6" |
| 212 | + orient="auto-start-reverse" |
| 213 | + > |
| 214 | + <path d="M0 0 L10 5 L0 10 z" fill="currentColor" opacity={0.5} /> |
| 215 | + </marker> |
| 216 | + <marker |
| 217 | + id="arrowOk" |
| 218 | + viewBox="0 0 10 10" |
| 219 | + refX="8" |
| 220 | + refY="5" |
| 221 | + markerWidth="7" |
| 222 | + markerHeight="7" |
| 223 | + orient="auto-start-reverse" |
| 224 | + > |
| 225 | + <path d="M0 0 L10 5 L0 10 z" fill={ok} /> |
| 226 | + </marker> |
| 227 | + </defs> |
| 228 | + </svg> |
| 229 | + <figcaption |
| 230 | + style={{ |
| 231 | + fontSize: '0.85rem', |
| 232 | + textAlign: 'center', |
| 233 | + opacity: 0.7, |
| 234 | + marginTop: '0.5rem', |
| 235 | + }} |
| 236 | + > |
| 237 | + Best-of-N self-verification: sample several takes for one prompt, |
| 238 | + transcribe each with ASR, and keep the take whose transcript matches the |
| 239 | + text. A prompt only fails if <em>every</em> take is broken. |
| 240 | + </figcaption> |
| 241 | + </figure> |
| 242 | + ); |
| 243 | +} |
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