I am developing a project that aims to send audio signals synchronized with a GPS signal. Time precision is a requirement for this project. My idea is to make the Arduino DUE reads the SD card and send the file to its flash memory. So, I would execute the file from the flash memory synchronized with the GPS signal. My audio signal would have about 50KB to 100KB with a .wav format.
Is it possible to do this process?
Would it be faster than reading the SD card every time?