Protocol Analysis at Digital Interfaces using the Audio Analyzers R&S®UPL and R&S®UPD

For the transmission of digial audio data, different data formats are in use. The AES/EBU format, which is used in professional applications, as well as the S/P DIF format used in consumer electronics, transmit the audio data in time multplex for both channels. Additonal bits in the data stream cover complementary information, respectively are used for error detection.The generation and the analysis of those protocol data using the audio analyzers UPD or UPL is the topic of this application note. An extract of the AES3 standard informs about the basic definitions.
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