Saya mau tau Non-DASH dari YouTube. Jelaskan dalam bahasa melayu

[1] itag is an undocumented parameter used internally by YouTube to differentiate between quality profiles. Until December 2010, there was also a URL parameter known as fmt that allowed a user to force a profile using itag codes.

[2] Approximate values based on statistical data; actual bitrate can be higher or lower due to variable encoding rate.

[3] Has metadata referring to "Elemental Technologies Live".

[4] Used as alternate audio tracks.

1 itag is an undocumented parameter used internally by YouTube to differentiate between quality profiles. Until December 2010, there was also a URL parameter known as fmt that allowed a user to force a profile using itag codes.

2 Approximate values based on statistical data; actual bitrate can be higher or lower due to variable encoding rate.

3 itag 120 is for live streaming and has metadata referring to "Elemental Technologies Live".