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V43: tang FILL 8->16 chong underrun crackle (cushion 3-8 -> 11-16) + PDC 5888

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Lộc Phạm
2026-08-28 16:36:13 +07:00
parent bf74a0be4f
commit 8990f04357
4 changed files with 11 additions and 11 deletions
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app/static/js/app.jsx
+3 -3
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@@ -2161,11 +2161,11 @@ function fxRtStop(silent) {
// qua worklet → lệch pha với mastered. fxRtApplyPdc trễ dry path đúng lượng
// để align. FX_RT_ROUNDTRIP_SAMPLES là ước lượng — ponytail: đo RTT thật
// (tag seq trên block) khi cần sample-accurate.
// V40: FILL 24→8 (sf-fx-realtime.js) → RTT = batching 4 block (~7 block @48k
// ≈ 1792) + FILL buffer 8 block (2048) = 15 block ≈ 3840 (~80ms @48k). Giữ
// V43: FILL 8→16 (sf-fx-realtime.js) → RTT = batching 4 block (~7 block @48k
// ≈ 1792) + FILL buffer 16 block (4096) = 23 block ≈ 5888 (~123ms @48k). Giữ
// đồng bộ với sf-fx-realtime.js. FX_RT_START_EST_MS: ước lượng khởi đầu khi
// chưa có phép đo (fx_play_first) — dùng cho freeze playhead thay V39 0.31s.
const FX_RT_ROUNDTRIP_SAMPLES = 3840;
const FX_RT_ROUNDTRIP_SAMPLES = 5888;
const FX_RT_START_EST_MS = 450;
// G3: anchor processed — playhead = startOffset + (processed - anchor - latency)/sr
// (da tru latency -> bam vi tri mau NGHE DUOC; pre-roll tu giu tai startOffset —