Q: Can you edit compressed media without re-compression?

[toke lahti]

Just a newbie question.
Simple clipping/cutting compressed media like mp3 or mp4.
Audio or video or both.
Like it was possible "in the good old times" with qt7.
With codec / compression / format set as "passthrough"...

[Rémi Denis-Courmont]

Audio, typically yes. Video, typically only on key frame.