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Fix RTA peak hold and FFT band energy

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This commit is contained in:
Mikei386
2026-07-22 08:42:32 +02:00
parent caec1edfcf
commit 3a0bdbb5ad
13 changed files with 394 additions and 87 deletions
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www/core/audio.js
+5
View File
@@ -916,6 +916,11 @@ export function buildRtaRuntimeConfig(CONFIG = {}) {
tauSlow: CONFIG.RTA_IIR_TAU_SLOW || 1.0,
integration: CONFIG.RTA_INTEGRATION || 'fast',
layout,
rtaPeakHoldMode: ['off', 'manual'].includes(CONFIG.RTA_PEAK_HOLD_MODE)
? CONFIG.RTA_PEAK_HOLD_MODE
: 'auto',
rtaPeakHoldSeconds: Number.isFinite(CONFIG.RTA_PEAK_HOLD_SEC) ? CONFIG.RTA_PEAK_HOLD_SEC : 2.5,
rtaPeakResetToken: Math.max(0, Math.floor(Number(CONFIG.RTA_PEAK_RESET_TOKEN) || 0)),
inputOffsetDbL: Number.isFinite(CONFIG.INPUT_OFFSET_DB_L) ? CONFIG.INPUT_OFFSET_DB_L : -5,
inputOffsetDbR: Number.isFinite(CONFIG.INPUT_OFFSET_DB_R) ? CONFIG.INPUT_OFFSET_DB_R : -5,
ppmDinAttackMs: 10,
www/core/config.js
+5 -1
View File
@@ -64,7 +64,7 @@ const CONFIG = {
RTA_BALLISTICS_MODE: 'average', // 'average' | 'peak' | 'both'
RTA_PEAK_HOLD_MODE: 'auto', // 'off' | 'auto' | 'manual'
RTA_PEAK_HOLD_SEC: 2.5,
RTA_PEAK_DECAY_DB_PER_S: 20,
RTA_PEAK_RESET_TOKEN: 0,
RTA_DISPLAY_HOLD_SEC: 0,
RTA_IIR_ORDER: 6,
RTA_IIR_TAU_FAST: 0.125,
@@ -810,6 +810,10 @@ function loadConfig(opts = {}) {
const hold = Number(CONFIG.RTA_PEAK_HOLD_SEC);
CONFIG.RTA_PEAK_HOLD_SEC = hold >= 3.25 ? 4.0 : 2.5;
}
CONFIG.RTA_PEAK_HOLD_MODE = ['off', 'auto', 'manual'].includes(CONFIG.RTA_PEAK_HOLD_MODE)
? CONFIG.RTA_PEAK_HOLD_MODE
: 'auto';
CONFIG.RTA_PEAK_RESET_TOKEN = Math.max(0, Math.floor(Number(CONFIG.RTA_PEAK_RESET_TOKEN) || 0));
if (!Number.isFinite(CONFIG.DBFS_TOP)) CONFIG.DBFS_TOP = CONFIG_DEFAULTS.DBFS_TOP;
if (!Number.isFinite(CONFIG.DBFS_BOTTOM)) CONFIG.DBFS_BOTTOM = CONFIG_DEFAULTS.DBFS_BOTTOM;
// Clamp to sensible bounds while keeping the user-selected display range.
www/core/utils.js
+1 -5
View File
@@ -138,22 +138,18 @@ export function buildBandBinMapping(bands, nyq, binCount) {
const bins = [];
const start = Math.max(0, Math.floor((band.fLo / nyq) * binCount));
const end = Math.min(binCount - 1, Math.ceil((band.fHi / nyq) * binCount));
let weightSum = 0;
for (let i = start; i <= end; i++) {
const binStart = i * binWidth;
const binEnd = binStart + binWidth;
const overlap = Math.max(0, Math.min(binEnd, band.fHi) - Math.max(binStart, band.fLo));
if (overlap > 0) {
bins.push({ index: i, weight: overlap });
weightSum += overlap;
bins.push({ index: i, weight: Math.min(1, overlap / binWidth) });
}
}
if (!bins.length) {
const idx = Math.max(0, Math.min(binCount - 1, Math.round((band.center / nyq) * binCount)));
bins.push({ index: idx, weight: 1 });
weightSum = 1;
}
bins.forEach((b) => { b.weight /= weightSum || 1; });
result.push({
center: band.center,
fLo: band.fLo,