diff --git a/audio_utils/primitives.c b/audio_utils/primitives.c
index e2d4abc..153f3a3 100644
--- a/audio_utils/primitives.c
+++ b/audio_utils/primitives.c
@@ -60,6 +60,15 @@
     }
 }
 
+void memcpy_to_float_from_q19_12(float *dst, const int32_t *src, size_t c)
+{
+    size_t i;
+    static const float scale = 1. / (32768. * 4096.);
+    for (i = 0; i < c; ++i) {
+        *dst++ = *src++ * scale;
+    }
+}
+
 void downmix_to_mono_i16_from_stereo_i16(int16_t *dst, const int16_t *src, size_t count)
 {
     while (count--) {