He aquí características técnicas, audio y subtitulación de Gravity, edición UK:

Disco 2D:

Código HTML:

DISC INFO:

Disc Title:     GRAVITY
Disc Size:      44,994,350,073 bytes
Protection:     AACS
BD-Java:        No
BDInfo:         0.5.8

PLAYLIST REPORT:

Name:                   00100.MPLS
Length:                 1:30:58.494 (h:m:s.ms)
Size:                   0 bytes
Total Bitrate:          0.00 Mbps

VIDEO:

Codec                   Bitrate             Description     
-----                   -------             -----------     
MPEG-4 AVC Video        0 kbps              1080p / 23.976 fps / 16:9 / High Profile 4.1

AUDIO:

Codec                           Language        Bitrate         Description     
-----                           --------        -------         -----------     
DTS-HD Master Audio             English         0 kbps          5.1 / 48 kHz / 16-bit (DTS Core: 5.1 / 48 kHz / 1509 kbps / 16-bit)
Dolby Digital Audio             English         448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB
DTS-HD Master Audio             French          0 kbps          5.1 / 48 kHz / 16-bit (DTS Core: 5.1 / 48 kHz / 1509 kbps / 16-bit)
Dolby Digital Audio             German          448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB
Dolby Digital Audio             Italian         448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB
Dolby Digital Audio             Spanish         448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB

SUBTITLES:

Codec                           Language        Bitrate         Description     
-----                           --------        -------         -----------     
Presentation Graphics           English         0.000 kbps                      
Presentation Graphics           French          0.000 kbps                      
Presentation Graphics           German          0.000 kbps                      
Presentation Graphics           Italian         0.000 kbps                      
Presentation Graphics           Spanish         0.000 kbps                      
Presentation Graphics           Dutch           0.000 kbps                      
Presentation Graphics           Danish          0.000 kbps                      
Presentation Graphics           Finnish         0.000 kbps                      
Presentation Graphics           Icelandic       0.000 kbps                      
Presentation Graphics           Norwegian       0.000 kbps                      
Presentation Graphics           Swedish         0.000 kbps                      
Presentation Graphics           French          0.000 kbps                      
Presentation Graphics           German          0.000 kbps                      
Presentation Graphics           Italian         0.000 kbps                      
Presentation Graphics           Spanish         0.000 kbps

Disco 3D:

Código HTML:

DISC INFO:

Disc Title:     GRAVITY
Disc Size:      31,487,476,027 bytes
Protection:     AACS
BD-Java:        No
Extras:         Blu-ray 3D
BDInfo:         0.5.8

PLAYLIST REPORT:

Name:                   00098.MPLS
Length:                 1:30:58.494 (h:m:s.ms)
Size:                   0 bytes
Total Bitrate:          0.00 Mbps

(*) Indicates included stream hidden by this playlist.

VIDEO:

Codec                   Bitrate             Description     
-----                   -------             -----------     
MPEG-4 AVC Video        0 kbps              1080p / 23.976 fps / 16:9 / High Profile 4.1
MPEG-4 MVC Video        0 kbps                              

AUDIO:

Codec                           Language        Bitrate         Description     
-----                           --------        -------         -----------     
DTS-HD Master Audio             English         0 kbps          5.1 / 48 kHz / 16-bit (DTS Core: 5.1 / 48 kHz / 1509 kbps / 16-bit)
Dolby Digital Audio             English         448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB
DTS-HD Master Audio             French          0 kbps          5.1 / 48 kHz / 16-bit (DTS Core: 5.1 / 48 kHz / 1509 kbps / 16-bit)
Dolby Digital Audio             German          448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB
Dolby Digital Audio             Italian         448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB
Dolby Digital Audio             Spanish         448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB
* Dolby Digital Audio           Japanese        448 kbps        5.1 / 48 kHz / 448 kbps / DN -4dB

SUBTITLES:

Codec                           Language        Bitrate         Description     
-----                           --------        -------         -----------     
* Presentation Graphics         Japanese        0.000 kbps                      
Presentation Graphics           English         0.000 kbps                      
Presentation Graphics           French          0.000 kbps                      
Presentation Graphics           German          0.000 kbps                      
Presentation Graphics           Italian         0.000 kbps                      
Presentation Graphics           Spanish         0.000 kbps                      
Presentation Graphics           Dutch           0.000 kbps                      
Presentation Graphics           Danish          0.000 kbps                      
Presentation Graphics           Finnish         0.000 kbps                      
Presentation Graphics           Icelandic       0.000 kbps                      
Presentation Graphics           Norwegian       0.000 kbps                      
Presentation Graphics           Swedish         0.000 kbps                      
Presentation Graphics           French          0.000 kbps                      
Presentation Graphics           German          0.000 kbps                      
Presentation Graphics           Italian         0.000 kbps                      
Presentation Graphics           Spanish         0.000 kbps                      
Presentation Graphics         Japanese        0.000 kbps

Siendo un disco europeo, me imagino que 99,99% de castellano; pero hasta que no esté dentro del reproductor no se puede decir. Pero vamos, que me extrañaría mucho después de ver ejemplos como Pacific Rim o Man of Steel.

Fuente:Aquí y aquí