Extract all audio channels from a master video and burn it to proxy H.264 using FFMPEG transcoder

Videos with multiple audio channels are common in media industry. The default FFMPEG parameters should be slightly altered in order to deal with these videos.
 
Please use the below parameter to extract all audio channels from a master video and burn it to proxy file. 
 
Video Settings:   -i "eSourceFile" -y -s 640x360 -b:v 1024k -vcodec libx264 -r 30 -movflags faststart -map 0:v:0 -map 0:a -pix_fmt yuv420p "eVideoProxy"
 
If you want to extract specific audio channels from a video, you can refer this KB article - http://support.empressmam.com/kb/a153/extract-specific-video-and-audio-tracks-using-ffmpeg.aspx 

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