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V45: tang FILL 24->48 (cushion 256ms) chong stall OS ~200ms (PDC 14080)

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Lộc Phạm
2026-08-29 08:00:22 +07:00
parent 2afa828c8f
commit 2a3e5bf08f
2 changed files with 5 additions and 5 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.
// 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
// V45: FILL 24→48 (sf-fx-realtime.js) → RTT = batching 4 block (~7 block @48k
// ≈ 1792) + FILL buffer 48 block (12288) = 55 block ≈ 14080 (~293ms @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 = 7936;
const FX_RT_ROUNDTRIP_SAMPLES = 14080;
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 —