Protocol analysis
R&S
®
RTE
639User Manual 1326.1032.02 ─ 20
Channel length
≥
Word length + Channel offset
13.8.2 Audio configuration
13.8.2.1 Audio signal configuration
Access: [PROTOCOL] > "Decode" tab > "Protocol" = Audio
Make sure that the tab of the correct serial bus is selected.
In the "Decode" tab, you configure the audio signal. Several audio signal variants are
available: the I²S standard signal, the left- and right-justified data formats, and the TDM
interface.
For all audio signal variants, you define the line sources and their polarities. Also, if
coupling is active, one threshold for all sources; if coupling is not enabled, three thresh-
olds for each source.
Specific settings for I²S standard signals are:
●
"Channel order" on page 643
●
"Word length" on page 643
●
"Bit order" on page 643
●
For left-justified data: "Channel offset" on page 643
●
For right-justified data: "CH length" on page 643
Audio signals (option R&S RTE-K5)
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