You cannot play a 30GB Remux file on a standard smart TV’s built-in video player. You need a proper ecosystem.

If you are looking for a "piece" (often referring to a specific file part or a decryption key) for this exact filename:

What the filename means

: This could refer to the audio-video codec or container used. However, it seems like there might be a bit of confusion here. Typically, you might see "AVC" (Advanced Video Coding) for the video codec and "DD" or "DTS" for audio. "AVCD" isn't standard; it might be a misinterpretation or a mistaken entry.