Różności …

sam dźwięk:

youtube-dl -f 140 http://www.youtube.com/watch?v=HRIF4_WzU1w

youtube-dl -F https://www.youtube.com/watch?v=CA2CPOJ7adsfDyQ43243

[info] Available formats for CA2CPOJ7DyQ:
format code extension resolution note
140 m4a audio only DASH audio , audio@128k (worst)
160 mp4 192p DASH video
133 mp4 240p DASH video
134 mp4 360p DASH video
135 mp4 480p DASH video
17 3gp 176×144
36 3gp 320×240
5 flv 400×240
43 webm 640×360
18 mp4 640×360 (best)

youtube-dl –max-quality 135 https://www.youtube.com/watch?v=CA2CPOJ7adsfDyQ43243
youtube-dl –max-quality 140 https://www.youtube.com/watch?v=CA2CPOJ7adsfDyQ43243

mplayer “orcl.mp4″ -audiofile “orcl.m4a”