diff --git a/src/main.ts b/src/main.ts
index 006b594..ef0f981 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,11 +1,18 @@
+const audioCache: Record<string, AudioBuffer> = {};
+
 const audioPlay = async (url: string) => {
+  if (!audioCache[url]) {
+    const context = new AudioContext();
+    const audioBuffer = await fetch(url)
+      .then((res) => res.arrayBuffer())
+      .then((arrayBuffer) => context.decodeAudioData(arrayBuffer));
+
+    audioCache[url] = audioBuffer;
+  }
+
   const context = new AudioContext();
   const source = context.createBufferSource();
-  const audioBuffer = await fetch(url)
-    .then((res) => res.arrayBuffer())
-    .then((ArrayBuffer) => context.decodeAudioData(ArrayBuffer));
-
-  source.buffer = audioBuffer;
+  source.buffer = audioCache[url];
   source.connect(context.destination);
   source.start();
 };