Radio DSP DNR - BOX
thingiverse
This is a BOX designed for the Radio DSP DNR project. This open source project defines a simple platform to make an Audio DSP Processor for shortwave radio receivers with Digital Noise Reduction capabilities based on Spectral Subtraction. The project is built around Stm32f407 Arm CortexM4 processor. Full details of the project can be found here: https://github.com/gcallipo/RadioDSP-DNR-Stm32f407 Some videos of a working prototype are available: Link1: (40 mt ssb) https://youtu.be/YvctFP2eqpk Link2: (40 mt ssb) https://youtu.be/HLHY--rRiw8 Link3: (40 mt AM broadcasting) https://youtu.be/vCnF3_ZGBCg Link4: (20 mt ssb) https://youtu.be/6EdBPZAnyo4 Link5: (waterfall) https://youtu.be/ByIudrHRiHA Link6: (Radio china int. AM) https://youtu.be/mXqoe8ZU1xU Link7: (Test decoder CW) https://youtu.be/tha96osoO_M Best wishes, and 73 de Giuseppe Callipo, IK8YFW
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