1 files changed, 21 insertions, 0 deletions
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
new file mode 100644
index 0000000000..317f5d98c5
--- /dev/null
+++ b/quantum/audio/voices.h
@@ -0,0 +1,21 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include <util/delay.h>
+#include "musical_notes.h"
+#include "song_list.h"
+
+#ifndef VOICES_H
+#define VOICES_H
+
+float voice_envelope(float frequency);
+
+typedef enum {
+    default_voice,
+    butts_fader,
+    octave_crunch
+} voice_type;
+
+void set_voice(voice_type v);
+
+#endif
+\ No newline at end of file