I used the Espressif FIR filter from their ESP-DSP Library in a project.
Which someone might find useful.
https://docs.espressif.com/projects/esp ... s.html#fir
https://github.com/bobh/ESP_DSP/tree/ma ... P/ESP32FIR
DSP project using ESP-DSP FIR filter
Re: DSP project using ESP-DSP FIR filter
Here’s a YouTube of the FIR Filter (Bandpass) running. Unoptimized ANSI C.
A 220 Tap Filter and the BLE Stack running at the same time in a $1 ESP32 is pretty amazing I think. But then I don’t get out much.
https://youtu.be/p_xYwLlHv3Y
A 220 Tap Filter and the BLE Stack running at the same time in a $1 ESP32 is pretty amazing I think. But then I don’t get out much.
https://youtu.be/p_xYwLlHv3Y
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