Stuff

src/app/services/audio.service.ts

@@ -0,0 +1,30 @@
+import {HttpClient} from '@angular/common/http';
+
+export class AudioService {
+  protected context: AudioContext;
+  protected track?: MediaElementAudioSourceNode;
+
+  constructor() {
+    this.context = new AudioContext();
+  }
+
+  createElement(filename: string) {
+    const element = document.createElement('audio');
+    const source = document.createElement('source');
+    source.src = filename;
+    source.type = 'audio/mp3';
+    element.appendChild(source);
+    return element;
+  }
+
+  async play(): Promise<void> {
+    if (this.context.state === 'suspended') {
+      await this.context.resume();
+    }
+    const element = this.createElement('audio/1.mp3');
+    this.track = this.context.createMediaElementSource(element);
+    this.track.connect(this.context.destination);
+
+    await element.play();
+  }
+}