convert_wma_mp3.md

for Kidizoom Duo

https://www.vtech-jouets.com/nos-marques/kidizoom

Convert audio (WMA) files to MP3

Using ffmpeg

quality audio range: 1-9 (high - low)

for i in *.wma *.webm *.mp4 *.mkv; do
  ffmpeg -y -i "$i" -codec:a libmp3lame -qscale:a 9 -ar 22050 mp3/"${i%.*}.mp3"
done

Convert video (mp4) file to AVI

Using ffmpeg

quality video range: 2-31 (high - low)

ffmpeg -i video.mp4 -codec:v mjpeg -qscale:v 31 -vf scale=320:240 -r 10 -codec:a libmp3lame -qscale:a 9 -ar 22050 video.avi