when playing back a recorded test or even a demo using Samplitude no sound or only "noises" (impossible to listen...) ; I have checked the configuration of my PC which are correclty set to 48000 Hz
@chantedo What's your audio interface? You need to increase the ASIO driver buffer size to the maximum value and reduce it step by step as long as your sound doesn't distort. If it distorts your CPU or audio interface isn't fast enough for processing at the current buffer size.