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-rw-r--r--libavcodec/ac3dec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index 66b498b6ca..e59b4162aa 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -518,7 +518,7 @@ static int get_transform_coeffs_ch(AC3DecodeContext *ctx, int ch_index, mant_gro
tbap = bap[i];
switch (tbap) {
case 0:
- coeffs[i] = ((av_random(&ctx->dith_state) & 0xFFFF) * LEVEL_MINUS_3DB) / 32768.0f;
+ coeffs[i] = ((av_random(&ctx->dith_state) & 0xFFFF) / 65535.0f) - 0.5f;
break;
case 1: