8.5/10 Score for FFmpeg Execution: 6/10 (competent, but uninspired)
FFmpeg’s libfdk_aac encoder (or the default aac ) is usually reliable. But on Episode 5, listen carefully to the bar scene at 34:20. When the protagonist whispers a threat over clinking glasses, the audio bottoms out with pre-echo artifacts. This is classic FFmpeg’s short audio frame size ( -frame_size 1024 ) fighting with transient sounds. The dialogue remains intelligible, but the texture of the room—the low-end rumble of a bass guitar—gets smeared into a watery ghost. It’s a shame, because the original sound mix (Dolby 5.1) is clearly ambitious.
Stream it for the plot. Remux it for the archive. And if you ever find the uncompressed ProRes master, guard it with your life. Technical note: All FFmpeg parameters mentioned are speculative reconstructions based on observed artifacts. No proprietary streaming internals were accessed.