: This suffix often denotes a part number in a series of segmented files or a secondary quality stream.
pixels, while AAC is the standard compressed audio format used for web streaming. index-dvr (720p_aac)_2.mp4
: Specifies the technical quality. 720p refers to a resolution of : This suffix often denotes a part number
: This prefix is a standard part of Twitch's playlist structure ( index-dvr.m3u8 ), which the server uses to serve stream content in segments. index-dvr (720p_aac)_2.mp4