Transmit – Audio - 3.1 English

This section contains debugging steps for issues with audio communication.

1. Check if MAUD and NAUD registers are correctly programmed and aud_clk is calculated as expected to be 512 × fs.
2. Follow steps mentioned in Programming DisplayPort Source.
3. Check if the TX_AUDIO_CHANNELS register value matches with the input audio samples sent.
4. Check if the TX_AUDIO_INFO_DATA is correctly formatted as per CEA 861-C info frame specification.
5. Ensure all the inputs data bits of s_axis_audio_ingress_tdata and s_axis_audio_ingress_tid are correctly sent as per the format specified.