diff --git a/@applications/web/src/worklets/mic-processor.js b/@applications/web/src/worklets/mic-processor.js
index 36eb9bc..d55a96b 100644
--- a/@applications/web/src/worklets/mic-processor.js
+++ b/@applications/web/src/worklets/mic-processor.js
@@ -86,14 +86,16 @@ class MicProcessor extends AudioWorkletProcessor {
     view.setUint8(0, 0x01);
     view.setUint32(1, this._seq, false); // big-endian
 
-    // PCM: Float32 → Int16 with clamping
-    const pcmView = new Int16Array(buffer, HEADER_BYTES);
+    // PCM: Float32 → Int16 with clamping.
+    // Int16Array requires 2-byte-aligned offsets; HEADER_BYTES=5 is odd, so use a
+    // separate aligned buffer and copy the bytes in with Uint8Array.
+    const pcmTemp = new Int16Array(FRAME_SAMPLES);
     for (let i = 0; i < FRAME_SAMPLES; i++) {
       const f = this._accumulator[i];
-      // Clamp to [-1, 1] then scale to Int16 range
       const clamped = f < -1.0 ? -1.0 : f > 1.0 ? 1.0 : f;
-      pcmView[i] = Math.round(clamped * 32767);
+      pcmTemp[i] = Math.round(clamped * 32767);
     }
+    new Uint8Array(buffer, HEADER_BYTES).set(new Uint8Array(pcmTemp.buffer));
 
     this.port.postMessage(buffer, [buffer]);
     this._seq = (this._seq + 1) >>> 0; // unsigned 32-bit increment