ARIB Displays
Next Downmix/A
udio Mode - Indicates the audio downmix and soundstage
configuration of the next scheduled program.
Audio Mode Cou
ntdown - A countdown timer indicating an upcoming
change in audio mode, which counts down from 254 (0xFE). A value of 0xFF
indicates that no format change is pending wi thin the next several seconds.
Trigger Bits (Q8..Q1 Q16..Q 9) - Together with trigger bits Q24..Q17
Q32..Q25, 32 bits that can be used to indicate changes in the program; usage
is user-defined.
Trigger Bits (Q24..Q17 Q32..Q25) - Together with trigger bits Q8..Q1
Q16..Q9; 32 bits that can be used to indicate changes in the program; usage is
user-defined.
Trigger Counter - Increments when bits Q1-Q4 go from 0 to 1. Wraps from
254 (0xFE) to zero. Value of 0xFF indicates the trigger counter is not used.
Trigger Countdown - A countdown timer indicating an upcoming change in
trigger bits Q1-Q4, which counts down from 254 (0xFE). A value of 0xFF
indicates that no format change is pending wi thin the next several seconds.
Status Bits (S8..S1 S16..S9) - 16 user-defined status bits.
Error Correcting Code - A six-word, Reed-Solomon error correcting code,
which is used to verify the integrity of the ARIB B.39 or ITU-R BT.1685
packet.
WFM8200 and WFM8300 Waveform Monitors 129
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