From c04fa4e34696dc9f733448e25ca9cfc51c0bc64d Mon Sep 17 00:00:00 2001
From: Michael SCHAL <michaelschal@gmail.com>
Date: Mon, 4 May 2026 00:38:51 +0200
Subject: [PATCH] fix: GainNode=0 pour activer le graphe Web Audio sans sortie
 son

---
 frontend/src/context/AudioContext.tsx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/frontend/src/context/AudioContext.tsx b/frontend/src/context/AudioContext.tsx
index cb3a09c..bc3815e 100644
--- a/frontend/src/context/AudioContext.tsx
+++ b/frontend/src/context/AudioContext.tsx
@@ -122,8 +122,11 @@ export function AudioProvider({ children }: { children: ReactNode }) {
         const analyser = ctx.createAnalyser();
         analyser.fftSize = 256;
         analyser.smoothingTimeConstant = 0.55;
+        const sink = ctx.createGain();
+        sink.gain.value = 0; // silent output — but graph stays active so analyser gets data
         source.connect(analyser);
-        // Do NOT connect to destination — analysis element is silent via Web Audio too
+        analyser.connect(sink);
+        sink.connect(ctx.destination);
         webAudioRef.current = ctx;
         analyserRef.current = analyser;
         dataArrayRef.current = new Uint8Array(analyser.frequencyBinCount);