https://huggingface.co/edgeimpulse/Hey-Edge/resolve/main/edge-impulse-sdk/dsp/dct/fast-dct-fft.cpp
hf download hf://edgeimpulse/Hey-Edge/edge-impulse-sdk/dsp/dct/fast-dct-fft.cpp
curl -L -o fast-dct-fft.cpp https://huggingface.co/edgeimpulse/Hey-Edge/resolve/main/edge-impulse-sdk/dsp/dct/fast-dct-fft.cpp
