23 lines
729 B
JavaScript
23 lines
729 B
JavaScript
// Shared dBTP scale for every True-Peak presentation. The final 10% is kept
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// above 0 dBTP so intersample overloads remain measurable up to +6 dBTP.
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export const TRUE_PEAK_SCALE = Object.freeze([
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{ db: -60, frac: 0.0000 },
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{ db: -50, frac: 0.0336 },
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{ db: -40, frac: 0.1286 },
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{ db: -35, frac: 0.1901 },
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{ db: -30, frac: 0.2571 },
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{ db: -25, frac: 0.3466 },
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{ db: -20, frac: 0.4305 },
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{ db: -15, frac: 0.5478 },
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{ db: -10, frac: 0.6652 },
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{ db: -5, frac: 0.7826 },
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{ db: 0, frac: 0.9000 },
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{ db: +3, frac: 0.9500 },
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{ db: +6, frac: 1.0000 },
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]);
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export const TRUE_PEAK_MINOR_TICKS = Object.freeze([
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-47, -19, -18, -17, -16, -14, -13, -12, -11, -9, -8, -7, -6, -4, -3, -2, -1,
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+1, +2, +4, +5,
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]);
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