Video Test Generator User Guide 577
DMI
Down-mix inhibit (see EIA/CEA-861-B standard, Table 24 for settings)
Query syntax XAUD:audparameter?
Query response value
Example 1 The following example sets the number of audio channels (CC parameter) to 2 in the
Audio Infoframe.
XAUD:CC 2
IFGU
Example 2 The following example sets an Audio InfoFrame with these properties:
Seven channels (CC parameter)
MPEG1 coding type (CT parameter)
16-bit sample size (SS parameter)
88.2KHz frequency (SF parameter)
72KHz maximum bit rate (MBR parameter)
All but channel 3 (LFE) are allocated (CA parameter)
10dB attenuation during source device down-mixing (LSV parameter)
Down-mixing permitted (DMI parameter)
XAUD 4 1 10 6 3 1 4 9 18 10 0;IFGU
Example 3 The following example reports the current setting for the Member Bit Rate parameter in
the Audio Infoframe.
XAUD:MBR?
Related commands IFTR, IFTG, IFGU, DAXA, DACA
1110 14dB
1111 15dB
DM_INH Describes whether the down mixed stereo output is permitted
0 Permitted or no information about any assertion of this
1 Prohibited
LSV3 LSV2 LSV1 LSV0 Level Shift Value