From 27f88169179dbadb121a98e2d68db487222c3894 Mon Sep 17 00:00:00 2001
From: pat-e <pat-e@pat-e.net>
Date: Sun, 21 Sep 2025 23:51:34 +0200
Subject: [PATCH] replaced sox_ng with ffmpeg for audio-processing

---
 av1_opus_encoder.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/av1_opus_encoder.py b/av1_opus_encoder.py
index 6e3a60a..829febd 100644
--- a/av1_opus_encoder.py
+++ b/av1_opus_encoder.py
@@ -67,9 +67,10 @@ def convert_audio_track(index, ch, lang, audio_temp_dir, source_file, should_dow
     ffmpeg_args += ["-c:a", "flac", str(temp_extracted)]
     run_cmd(ffmpeg_args)
 
-    print(f"    - Normalizing Audio Track #{index} with SoX...")
+    print(f"    - Normalizing Audio Track #{index} with ffmpeg (loudnorm)...")
     run_cmd([
-        "sox_ng", "--show-progress", str(temp_extracted), str(temp_normalized), "--temp", str(audio_temp_path), "loudness", "-18"
+        "ffmpeg", "-v", "quiet", "-stats", "-y", "-i", str(temp_extracted),
+        "-af", "loudnorm=I=-14:LRA=7:tp=-1", "-c:a", "flac", str(temp_normalized)
     ])
 
     # Set bitrate based on the final channel count of the Opus file.