32 audio channels over USB and Ethernet

[nico]

Hi

I need to design an audio board that can drive 32 speakers from USB or from Ethernet (AVB ?).
It seems that I can use an xCore-200 (XEF216-512-FB236) to generate 16 i2s signals from USB or Ethernet. xCORE-200 Multichannel Audio Platform looks like a good starting point.

Is there any other reference design using XEF216-512-FB236 (or off the shelf board) to do that ?

Thanks
Nicolas

[Choughtosh]

Nicolas,

If you are intending to use GbE for your AVB interface you will most likely require an XE232 to incorporate USB and GbE AVB into the same device.

The xCORE-200 Multichannel Audio Platform is a great place to start. This will allow you to become familiar with both the USB and AVB designs. The application notes AN00202 and AN00203 detail the AVB endpoints.

The 32 channel implementation uses 4 i8s interfaces (TDM) rather than 16 i2s.

Rob

[nico]

Thanks !