#define VOICE_OSCILLATORS 4
#define VOICE_FILTERS 2

struct voice_t
{
	bool     playing;
	uint8_t  note;
	uint32_t sample;
	uint32_t released;

	double velocity;
	struct osc_t osc[VOICE_OSCILLATORS];

	struct filter_t fil[VOICE_FILTERS];
};

void voice_init(struct voice_t *voice, double freq);
void voice_run(struct voice_t *voice, uint32_t samples, float *left, float *right);