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authorAndree Buschmann <AndreeBuschmann@t-online.de>2010-09-14 19:17:21 +0000
committerAndree Buschmann <AndreeBuschmann@t-online.de>2010-09-14 19:17:21 +0000
commite98ee2d696a90042756b98aa2585e33e5e536725 (patch)
tree82d6794037b629dda0a007c3b32c5fdec735ce82
parentb543a2a5d229308c5e7feb2891eb5eac1b0446f8 (diff)
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Correct comment.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28080 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r--apps/codecs/libfaad/sbr_hfgen.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/apps/codecs/libfaad/sbr_hfgen.c b/apps/codecs/libfaad/sbr_hfgen.c
index cf70cc3c15..5c346f1c92 100644
--- a/apps/codecs/libfaad/sbr_hfgen.c
+++ b/apps/codecs/libfaad/sbr_hfgen.c
@@ -206,7 +206,7 @@ static void auto_correlation(sbr_info *sbr, acorr_coef *ac,
/* A pre-shift of >>2 is needed to avoid overflow when multiply-adding
* the FRACT-variables buffer -- FRACT part is 31 bits. After the
* calculation has been finished the result 'ac.det' needs to be
- * post-shifted by <<(2*exp). */
+ * post-shifted by <<(4*exp). */
for (j = offset; j < len + offset; j++)
{
@@ -269,7 +269,7 @@ static void auto_correlation(sbr_info *sbr, acorr_coef *ac, qmf_t buffer[MAX_NTS
/* A pre-shift of >>2 is needed to avoid overflow when multiply-adding
* the FRACT-variables buffer -- FRACT part is 31 bits. After the
* calculation has been finished the result 'ac.det' needs to be
- * post-shifted by <<(2*exp). */
+ * post-shifted by <<(4*exp). */
temp2_r = (QMF_RE(buffer[offset-2][bd])) >> exp;
temp2_i = (QMF_IM(buffer[offset-2][bd])) >> exp;