4K83 audio track descriptions Tracks muxed into mkv file... Track 01.: 2.0 DTS-MA (1983 35mm Optical Audio (from this print)) Eng Track 02.: 5.1 DTS-MA (5.1 mix 2018 version (new for 4K83)) Eng Track 03.: 1.0 AC3 (Mono mix 2018 version (new for 4K83)) Eng Track 04.: 2.0 AC3 (1983 LaserDisc audio (US CLV P&S: 1478-80)) Eng Track 05.: 3.0 AC3 (1993 LaserDisc audio Commentary (new for 4K83)) Eng sources... 1983 35mm Optical Dolby Stereo mix from the 35mm print used for 4K83 1983 5.1 mix (new 2018 mix created for 4k83) The main audio source is the 1993 LD audio 1983 16mm Optical Mono mix [Patched, Denoised, and Slight EQ] 1983 Stereo audio sourced from LaserDisc (Primary Source: US CLV P&S: 1478-80) 1993 LaserDisc Commentary (Sourced from 1st and 2nd Pressings of the US Definitive Collection 0693-84-03) NOTE: v1.0 of 4K83 had the 1993 LD stereo tracked muxed in, v1.1 has the 1983 LD audio track muxed in instead. v1.3 I swapped the 5.1 track. Muxed in is the more authentic track with the original Dagobah scene audio. The previous muxed track is in the alternate audio folder. Tracks in the Alternate Audio Folder 1983 35mm Optical Dolby Stereo mix (same as what's muxed into mkv but as ac3 instead): ROTJ - 35mm Optical [Cleaned].ac3 1983 Dolby Stereo mix sourced from LaserDisc: ROTJ - 1983 - Stereo (Japan Source).ac3 - (Primary Source: Japan CLV P&S: SF098-1100) ROTJ - 1985 - Home Video Mix (JSC Source).ac3 - (Primary Source: Japan Special Collection SF148-1343 with minimal patching from US Special Widescreen Edition 1478-85) ROTJ - 1985 - Home Video Mix (SWE Source).ac3 - (Primary Source: US Special Widescreen Edition 1478-85 with minimal patching from Japan Special Collection SF148-1343) 1993 Stereo Remix sourced from LaserDisc: ROTJ - 1993 - Stereo Remix.ac3 - (Japan Definitive Collection PILF 175703 with minimal patching from US "Faces" 8765-85) 1993 LaserDisc Commentary (stereo version of commentary that's muxed in): ROTJ - 1993 - Commentary - Ducked (Stereo).ac3 - (Sourced from 1st and 2nd Pressings of the US Definitive Collection 0693-84-03): 2018 5.1 audio mixes: RotJ_5.1_6ch_v3.dtshd-(converted to ac3).ac3 - The 5.1 track muxed into the mkv just converted to ac3 Higher bitrate versions (DTS-MA or FLAC) of the these audio files are available at thestarwarstrilogy.com forums.