Codecs Av01008m08 399 Opus 251 New Jun 2026

opus 251 · TeamNewPipe NewPipe · Discussion #10762 - GitHub

ffmpeg -i input.mkv -c copy -metadata:s:v:0 codec_tag=av01.0.08M.08 output_fixed.mkv codecs av01008m08 399 opus 251 new

: Indicates Level 4.0 (Identifier 8) with a Main tier constraint, typically used for 1080p video. 08 : Represents an 8-bit depth . opus 251 · TeamNewPipe NewPipe · Discussion #10762

"There's your problem," Kael said, tapping the screen. "The audio isn't missing; it’s hidden in a wrapper. It’s an ultra-low bitrate trick. They used a 'New' flag on the header to confuse legacy players." " Kael said