Prologue: The Signal and the Silence A maintenance alert at 03:17. LED indicators blinked in a slow, judgmental rhythm: one green, two amber, then a hesitant red. In the racks, the SW decoder plugin—branded in a matte sticker, “3M PlayIt”—had gone quiet. Not dead, just inscrutably shy. Somewhere in the stream, audio metadata had lost its bearings, and users were left with lip-synced ghosts and missing captions.