On 15-02-2019 02:31 PM, Ulf Zibis wrote: > Am 15.02.19 um 09:49 schrieb Gyan: >> All codec options support stream specifiers, so level for 2nd audio >> output stream would be >> >> -level:a:1 value > Much thanks. > > Is that documented somewhere? I don't find it. > https://www.ffmpeg.org/ffmpeg.html#AVOptions Gyan