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.
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- Sat Nov 09, 2024 2:26 am
- Forum: ESP-IDF
- Topic: Problem with sampling using ADC via DMA
- Replies: 11
- Views: 19012