chromium/third_party/blink/web_tests/http/tests/media/resources/media-source/mp4/test-a-128k-44100Hz-1ch-manifest.json

{
    "url": "mp4/test-a-128k-44100Hz-1ch.mp4",
    "type": "audio/mp4;codecs=\"mp4a.40.2\""
}