I want to use downsampling and upsampling in my algorithm.
I am doing some basic testing with sine tone. I generate sine tone with 500Hz with sample rate 48kHz. The output captured from DAC is 500Hz sine tone.
But If i generate same sine tone with 500Hz frequency with sampling rate 16kHz. The output captured from DAC is 1500Hz sine tone. I was thinking that the sine tone frequency will remain the same at 500Hz.
Is there any way I can change the sampling rate of whole system ADAU1446 and AD1938 to 16kHz?