From 7fd6b904f6819abb49dad9f6e18576e814adbee7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EB=B3=B4=EA=B3=A4?=
 <lightone2017@codebridge-x.com>
Date: Sun, 8 Mar 2026 14:47:27 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20[sound-logo]=20=EC=98=A4=EB=94=94?=
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- DynamicsCompressor 마스터 노드 추가 (threshold:-6dB, ratio:12)
- 모든 오디오 출력(시퀀서/음성/BGM)을 컴프레서 경유로 변경
- 다중 소스 합산 시 진폭 초과로 인한 디지털 클리핑 방지
---
 resources/views/rd/sound-logo/index.blade.php | 29 +++++++++++++++----
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/resources/views/rd/sound-logo/index.blade.php b/resources/views/rd/sound-logo/index.blade.php
index 77de33bb..6eac4f14 100644
--- a/resources/views/rd/sound-logo/index.blade.php
+++ b/resources/views/rd/sound-logo/index.blade.php
@@ -1383,10 +1383,26 @@ function soundLogo() {
         },
 
         getAudioCtx() {
-            if (!this.audioCtx) this.audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+            if (!this.audioCtx) {
+                this.audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+                // 마스터 컴프레서 (클리핑 방지)
+                const comp = this.audioCtx.createDynamicsCompressor();
+                comp.threshold.value = -6;
+                comp.knee.value = 10;
+                comp.ratio.value = 12;
+                comp.attack.value = 0.003;
+                comp.release.value = 0.15;
+                comp.connect(this.audioCtx.destination);
+                this._masterNode = comp;
+            }
             return this.audioCtx;
         },
 
+        getMasterNode() {
+            const ctx = this.getAudioCtx();
+            return this._masterNode || ctx.destination;
+        },
+
         // ===== Note helpers =====
         getNoteLabel(n) {
             if (n.type === 'rest') return '쉼표';
@@ -1461,7 +1477,7 @@ function soundLogo() {
                 gain.gain.setValueAtTime(vel * s, startTime + dur);
                 gain.gain.exponentialRampToValueAtTime(0.001, startTime + dur + r);
 
-                osc.connect(gain).connect(ctx.destination);
+                osc.connect(gain).connect(this.getMasterNode());
                 osc.start(startTime);
                 osc.stop(startTime + dur + r + 0.05);
             });
@@ -1501,7 +1517,7 @@ function soundLogo() {
                 voiceSrc.buffer = this.voiceBuffer;
                 const voiceGain = ctx.createGain();
                 voiceGain.gain.value = this.voiceVolume;
-                voiceSrc.connect(voiceGain).connect(ctx.destination);
+                voiceSrc.connect(voiceGain).connect(this.getMasterNode());
                 voiceSrc.start(startTime + this.voiceDelay);
             }
 
@@ -1511,7 +1527,7 @@ function soundLogo() {
                 bgmSrc.buffer = this.bgmBuffer;
                 const bgmGain = ctx.createGain();
                 bgmGain.gain.value = this.bgmVolume;
-                bgmSrc.connect(bgmGain).connect(ctx.destination);
+                bgmSrc.connect(bgmGain).connect(this.getMasterNode());
                 bgmSrc.start(startTime);
             }
 
@@ -1532,6 +1548,7 @@ function soundLogo() {
             if (this.audioCtx) {
                 this.audioCtx.close();
                 this.audioCtx = null;
+                this._masterNode = null;
             }
             this.isPlaying = false;
             this.playingIdx = -1;
@@ -1765,7 +1782,7 @@ function soundLogo() {
             src.buffer = this.voiceBuffer;
             const gain = ctx.createGain();
             gain.gain.value = this.voiceVolume;
-            src.connect(gain).connect(ctx.destination);
+            src.connect(gain).connect(this.getMasterNode());
             src.start();
         },
 
@@ -2010,7 +2027,7 @@ function soundLogo() {
             src.buffer = this.bgmBuffer;
             const gain = ctx.createGain();
             gain.gain.value = this.bgmVolume;
-            src.connect(gain).connect(ctx.destination);
+            src.connect(gain).connect(this.getMasterNode());
             src.start();
         },