On 2022-02-28T19:05:18+0100, CMG DiGiTaL <cmarciog at gmail.com> wrote: > -c:v copy -map 0:0 -acodec mp3 -b:a %%c -ar:a %%b > [...] > [NULL @ 000002c4fdb37740] *Unable to find a suitable* *output format for > 'N/A'* With -map 0:0 you tell FFmpeg to process only the audio-stream. Remove it. -- Reino