diff -urN a/liba52/imdct.c b/liba52/imdct.c
--- a/liba52/imdct.c	2002-07-27 19:52:07.000000000 -0600
+++ b/liba52/imdct.c	2017-04-19 17:25:19.609452493 -0600
@@ -419,13 +419,13 @@
 
 #ifdef LIBA52_DJBFFT
     if (mm_accel & MM_ACCEL_DJBFFT) {
-	fprintf (stderr, "Using djbfft for IMDCT transform\n");
+/*	fprintf (stderr, "Using djbfft for IMDCT transform\n"); */
 	ifft128 = (void (*) (complex_t *)) fftc4_un128;
 	ifft64 = (void (*) (complex_t *)) fftc4_un64;
     } else
 #endif
     {
-	fprintf (stderr, "No accelerated IMDCT transform found\n");
+/*	fprintf (stderr, "No accelerated IMDCT transform found\n"); */
 	ifft128 = ifft128_c;
 	ifft64 = ifft64_c;
     }