I'm working with a Raspberry Pi hat sound card that has ADC and DAC with RCA line-in and line-out. I'm running Raspbian on the Pi.
I'm attempting to capture data from ADC and pipe it directly to the DAC so that I can implement filters in between in the future.
I know it is possible to use arecord to capture data and save to a wav file and then use aplay to play the audio file. However, I haven't been able to figure out how to skip saving to a file and stream the data directly.
Any suggestions is appreciated. If this doesn't belong here please point me in the right direction. Thanks!