How do I connect aud_z signal from SDI Audio Extract MegaCore? - How do I connect aud_z signal from SDI Audio Extract MegaCore? Description The aud_z signal from the Altera® Serial Digital Interface (SDI) Audio Extract MegaCore® is not required. You can ignore this signal. Resolution This port is scheduled to be removed in a future release of the Quartus® II software. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 13.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']