Yuan (currency) The yuan (/juËËÉËn, -Ã¦n/; sign: Â¥; Chinese: å; pinyin: yuÃ¡n; ( listen)) is the base unit of a number of former and present-day Chinese currencies, and usually refers to the primary unit of account of the renminbi, the currency of the People's Republic of China.
Hereâs a summary of the audio and video specifications you will need if you want to learn the best video format for YouTube uploading. 1  Best video format for YouTube: H.264, MPEG-2 or MPEG-4.  Aspect Ratio: Native aspect ratio without letterboxing (examples: 4:3, 16:9)
Above are the best YouTube video size dimensions for uploading. For those video files in 4:3 aspect ratio, YouTube player will automatically display videos with pillar boxes or letter boxes to play videos properly. This is why some YouTube users will find black bars on the sides of YouTube video.