I am just trying to put together a video with its audio, and an additional audio (me talking). I used a Speed Control Effect Strip on the video. I had successfully rendered video before with the same settings. The only difference now is the additional audio strip.
I have tried both Eevee and Cycles with the following settings:
- File Format: FFmpeg video, Encoding/Container: Mpeg-4, Video codec: H.264
- File Format: FFmpeg video, Encoding/Container: QuickT, Video codec: FFmpeg video codec #1
P.S. Both the video and the audio file are not the actual files I am intending to use, this way they can be way smaller, while it should make no difference towards the rendering settings needed.