Hello Johncruiser,
Thank you for your quick response.
I choose this one:
'360p high quality: Bitrate: 1.214mbps, Stream #0:6: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz...