Using FFmpeg Portable, you can boost the audio volume if Ashur’s whispered betrayals are too quiet:
Practical tip: Test playback before converting large files; use -c:v copy to avoid re-encoding. spartacus house of ashur s01e01 ffmpeg portable
ffmpeg -i input.mkv -map 0 -c copy -map_chapters 0 output.mkv Using FFmpeg Portable, you can boost the audio