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by fengcai
Sat Nov 09, 2024 2:26 am
Forum: ESP-IDF
Topic: Problem with sampling using ADC via DMA
Replies: 11
Views: 18991

Re: Problem with sampling using ADC via DMA

I'm doing FFT using adc & i2s, with sample rate 8K and 16K, the result is not correct. by setting sample rate to 44100, everything works fine.

for 16bits data, words swap is mandatory as well.