Echo audio drivers

For those who are interested in, here’s what the Echo Digital Audio CorporationSoftware Developer Page claims:

Interested in writing your own driver for Echo’s hardware? Then you need the generic driver code. This is the cross-platform C++ library used for our Windows and Mac PCI and Cardbus drivers.

Source code is provided under the terms of the GNU Lesser General Public License.

Looks like Haiku already has Echo drivers: