Well, for freeDSP-aurora a new idea came up: A kickstarter campaign has been launched. You can find everything on freeDSP | An Open-Source Low-Budget Audio DSP and in the git repository GitHub - freeDSP/freeDSP-aurora: freeDSP ADAU1452 with 8 analog input, 8 analog outputs, S/P-DIF I/O, ADAT I/O, USB Audio Class2, WiFi, Bluetooth You can even download everything and build as many freeDSPs as you want. Thus, everybody is invited to modify or contribute to this project. Like any other freeDSP the project is licensed under an open source license. FIR-Filters are already on the ToDo list. Frequency depending phase shift (allpass).Low pass up to fourth order (Bessel, Butterworth, Linkwitz-Riley).High pass up to fourth order (Bessel, Butterworth, Linkwitz-Riley).Therefore, I have made a first DSP firmware with the following features per channel. The features of the DSP depend on the DSP firmware. Thanks to the ESP32 framework Wifi instead of Bluetooth is an option. To make using as easy as possible I wrote my own app that controls the DSP via Bluetooth. Works with ASIO driver under Windows 10 and driverless under macOS and Linux.
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