In the time domain, are audio samples LPCM? Or non-linear / compressed? Patrick Vlaskovits October 15, 2017 19:53 PCM. Audio DSP happens on raw PCM data in every audio system. Related articles Is there any example code to integrate Superpowered with a swift project? Please tell me more about the buffer array. What is the data and how does it work on different platforms? How can I print to console the max frequency (or the max band) every 10 ms or every time the frame updates? Comments 0 comments Article is closed for comments.