Read
Audio Status indicates the status of an audio play operation. The status of audio commands are listed in Table
Sub Channel Data Length should be set 0, 12, 20, 28 or 44 bytes and does not include the Sub Channel Header.
ADR codes are defined in Table
Control bits are defined in Table
Track Number specifies the current Track Number
Index Number specifies the current index number in the current track.
Absolute
Track Relative
MCV
If the MCV bit is one, the media catalog number field is valid.
There are identify numbers according to the UPC/EAN cording in the media catalog number field. If all data in this field is ASCII 0, there is no media catalog number in the field.
TCV
If the TCV bit is one, the ISRC field is valid. In this field, there are identify numbers according to the ISRC standard.
When the
Audio status values 13h and 14h return information on previous audio operations; they are returned only once after the condition has occurred. If another audio play operation is not requested, the audio status returned for subsequent READ
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