This year I participated in Google Summer of Code to improve our audio system. The CTAG face2|4 Audio Card driver has been successfully ported to BeagleBoard-X15 (dual core TI AM5728) and is backwards compatible with BeagleBone Black/Green. Moreover an user-space library has been created to offload typical signal operations (FFT, IFFT, filter) to C66x DSPs (integrated in AM5728). The full project documentation is available on GitHub.
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