/* Determines output framerate, in times per second. */
#define STFU_AUDIO_FRAME_RATE 44100
#define STFU_AUDIO_CHANNEL_COUNT 2

#define STFU_C4_FREQUENCY 261.63f
#define STFU_A4_FREQUENCY 440.0f
#define STFU_NOTE_UPSCALE_FACTOR 1.059463094f
#define STFU_NOTE_DOWNSCALE_FACTOR 0.943874313f

// todo: Array of precomputed note frequencies?