Yes, in the Despecialized v2.5, you can choose between these audio tracks:
TRACK 1) 5.1 DTS-HD-MA [English] (1977 70mm six track mix)
TRACK 2) 2.0 DTS-HD-MA [English] (1977 35mm stereo mix)
TRACK 3) 1.0 DTS-HD-MA [English] (1977 35mm mono mix)
TRACK 4) 2.0 Dolby Digital [English] (1985 Laserdisc mix)
TRACK 5) 2.0 Dolby Digital [English] (1993 Laserdisc mix)
TRACK 6) 2.0 Dolby Digital [German] (1978 dub reconstruction)
TRACK 7) 2.0 Dolby Digital [French] (1977 dub)
TRACK 8) 2.0 Dolby Digital [Spanish] (1977 Castilian dub)
TRACK 9) 1.0 Dolby Digital [Spanish] (1980 Latino dub)
TRACK 10) 1.0 Dolby Digital [Portuguese] (1980s Brazilian dub)
TRACK 11) 2.0 Dolby Digital [Japanese] (1978 Dub)
TRACK 12) 2.0 Dolby Digital [Italian] (1977 dub)
TRACK 13) 2.0 Dolby Digital [Polish] (1995 Voiceover)
TRACK 14) 2.0 Dolby Digital [Czech] (1992 dub)
TRACK 15) 2.0 Dolby Digital [Hungarian] (1984 dub)
TRACK 16) 2.0 Dolby Digital [English] (1993 LD Audio Commentary - silence filled with 1993 LD 2.0)
TRACK 17) 2.0 Dolby Digital [English] (2004 DVD Audio Commentary - recut to fit this release)
TRACK 18) 2.0 Dolby Digital [English] (2004 starwars.com Audio Commentary - recut to fit this release)
TRACK 19) 2.0 Dolby Digital [English] (2011 BD Archival Interviews Audio Commentary - recut to fit this release)
TRACK 20) 2.0 Dolby Digital [Isolated Score] (Compiled by hairy_hen)
TRACK 21) 2.0 Dolby Digital [English] (Commentary For Visually Impaired)