BDInfo scan report

[casspir]

Hello,

What does it mean when there is a * in front of an audio track or a subtitle description in a BDInfo scan report?
See an example below:

AUDIO:

Codec Language Bitrate Description
----- -------- ------- -----------
DTS-HD Master Audio English 4393 kbps 5.1 / 48 kHz / 4393 kbps / 24-bit (DTS Core: 5.1 / 48 kHz / 1509 kbps / 24-bit)
Dolby Digital Audio German 640 kbps 5.1 / 48 kHz / 640 kbps / DN -4dB
Dolby Digital Audio Spanish 640 kbps 5.1 / 48 kHz / 640 kbps / DN -4dB
Dolby Digital Audio Spanish 192 kbps 2.0 / 48 kHz / 192 kbps / DN -4dB / Dolby Surround
* Dolby Digital Audio Japanese 192 kbps 2.0 / 48 kHz / 192 kbps / DN -4dB / Dolby Surround


SUBTITLES:

Codec Language Bitrate Description
----- -------- ------- -----------
* Presentation Graphics Japanese 19,529 kbps
Presentation Graphics English 28,956 kbps
Presentation Graphics German 30,793 kbps
Presentation Graphics Spanish 26,443 kbps
Presentation Graphics Dutch 25,397 kbps
Presentation Graphics Spanish 27,048 kbps
Presentation Graphics Bulgarian 26,331 kbps
* Presentation Graphics Japanese 0,123 kbps

Does anybody know?

Thanks!