From: Jason Jang <jcj83429@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Jason Jang <jcj83429@gmail.com>
Subject: [FFmpeg-devel] [PATCH 3/3] avfilter/af_apsyclip: increase protection for high frequencies
Date: Fri, 28 Jan 2022 17:15:54 -0800
Message-ID: <20220129011554.308345-1-jcj83429@gmail.com> (raw)
This reduces sibilance distortion when sibilance and bass are
present at the same time. Bringing the protection of high
frequencies up to about the same level as for low frequencies
should also make the quality less dependent on the frequency
balance of the playback system.
Signed-off-by: Jason Jang <jcj83429@gmail.com>
---
libavfilter/af_apsyclip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/af_apsyclip.c b/libavfilter/af_apsyclip.c
index 2a79ed3..1f41148 100644
--- a/libavfilter/af_apsyclip.c
+++ b/libavfilter/af_apsyclip.c
@@ -186,7 +186,7 @@ static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
AudioPsyClipContext *s = ctx->priv;
- static const int points[][2] = { {0,14}, {125,14}, {250,16}, {500,18}, {1000,20}, {2000,20}, {4000,20}, {8000,15}, {16000,5}, {20000,-10} };
+ static const int points[][2] = { {0,14}, {125,14}, {250,16}, {500,18}, {1000,20}, {2000,20}, {4000,20}, {8000,17}, {16000,14}, {20000,-10} };
static const int num_points = 10;
float scale;
int ret;
--
2.35.0
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