audio-wave.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" width="64" height="64">
  <defs>
    <linearGradient id="g" x1="0" y1="0" x2="64" y2="0" gradientUnits="userSpaceOnUse">
      <stop offset="0" stop-color="#1d4ed8" />
      <stop offset="1" stop-color="#0ea5e9" />
    </linearGradient>
  </defs>
  <rect x="0" y="0" width="64" height="64" rx="12" fill="#ffffff"/>
  <path d="M4 32 C 10 18, 18 46, 24 32 S 36 18, 40 32 52 46, 60 32"
        fill="none" stroke="url(#g)" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/>
</svg>