Sounds like this became popular as editors looked for a recognisable way to mark a job finished without recording their own voiceover. The reference to MP3, WMA and OGG points to the era of desktop audio converters and ripping software, when those three formats appeared together in almost every export menu. Online, the clip survives as a joke about old PC workflows, used ironically for downloads, renders and edits that are finally complete after a long wait.
About this sound
A short conversion complete notification sound for MP3, WMA and OGG files. Creators use it as a funny tech alert and task finished cue in edits.
This is a brief task complete alert built around the idea of an audio file conversion finishing. It plays like a clean digital notification, short and clear enough to read instantly as done, saved or exported. The humour comes from how official and mundane it sounds when it is dropped into a video at the exact moment something trivial is completed. It works as a punctuation mark, confirming an action without needing any dialogue or on screen text to explain what just happened.