Mutato flipbook

components/PublicGrid.tsx

@@ -421,45 +421,12 @@ function FullscreenViewer({
   );
 }
 
-function playFlipSound(ctx: AudioContext | null) {
-  if (!ctx) return;
-  const duration = 0.28;
-  const sr = ctx.sampleRate;
-  const buffer = ctx.createBuffer(1, Math.floor(sr * duration), sr);
-  const data = buffer.getChannelData(0);
-  for (let i = 0; i < data.length; i++) {
-    const t = i / sr;
-    const envelope = Math.exp(-t * 14) * (1 - Math.exp(-t * 80));
-    data[i] = (Math.random() * 2 - 1) * envelope * 0.45;
-  }
-  const src = ctx.createBufferSource();
-  src.buffer = buffer;
-  const bp = ctx.createBiquadFilter();
-  bp.type = 'bandpass';
-  bp.frequency.value = 2200;
-  bp.Q.value = 0.9;
-  const gain = ctx.createGain();
-  gain.gain.value = 0.6;
-  src.connect(bp); bp.connect(gain); gain.connect(ctx.destination);
-  src.start();
-}
-
 function FlipBook({ pages, onClose }: { pages: string[]; onClose: () => void }) {
   const containerRef = useRef<HTMLDivElement>(null);
   const flipRef = useRef<import('@/lib/page-flip').PageFlip | null>(null);
-  const audioRef = useRef<AudioContext | null>(null);
   const [currentPage, setCurrentPage] = useState(0);
   const [pageCount, setPageCount] = useState(pages.length);
 
-  const getCtx = () => {
-    if (!audioRef.current) {
-      const Ctx = (window as unknown as { AudioContext?: typeof AudioContext; webkitAudioContext?: typeof AudioContext }).AudioContext
-                ?? (window as unknown as { AudioContext?: typeof AudioContext; webkitAudioContext?: typeof AudioContext }).webkitAudioContext;
-      if (Ctx) audioRef.current = new Ctx();
-    }
-    return audioRef.current;
-  };
-
   useEffect(() => {
     if (!containerRef.current || pages.length === 0) return;
     let cancelled = false;
@@ -510,7 +477,6 @@ function FlipBook({ pages, onClose }: { pages: string[]; onClose: () => void })
       flip.on('flip', (e) => {
         const newPage = typeof e.data === 'number' ? e.data : 0;
         setCurrentPage(newPage);
-        playFlipSound(getCtx());
       });
       flip.on('init', () => {
         setPageCount(flip.getPageCount());