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authorLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-09-24 12:21:56 +0530
committerLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-09-24 12:21:56 +0530
commit86f99da8d08e1f2e290d8ebfd5adb016faff7bac (patch)
tree8f121a2aaa187d8266e20df23ad36262ab051866 /noisereduce
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script's
Diffstat (limited to 'noisereduce')
-rwxr-xr-xnoisereduce81
1 files changed, 81 insertions, 0 deletions
diff --git a/noisereduce b/noisereduce
new file mode 100755
index 0000000..c344760
--- /dev/null
+++ b/noisereduce
@@ -0,0 +1,81 @@
+#!/usr/bin/sh
+
+usage ()
+{
+ printf "Usage : noisereduce <input video file> <output video file>\n"
+ exit
+}
+
+# Tests for requirements
+ifinstalled ffmpeg || { echo >&2 "We require 'ffmpeg' but it's not installed."; exit 1; }
+ifinstalled sox || { echo >&2 "We require 'ffmpeg' but it's not installed."; exit 1; }
+
+if [ "$#" -ne 2 ]
+then
+ usage
+fi
+
+if [ ! -e "$1" ]
+then
+ printf "File not found: %s\n" "$1"
+ exit
+fi
+
+if [ -e "$2" ]
+then
+ printf "File %s already exists, overwrite? [y/N]\n: " "$2"
+ read -r yn
+ case $yn in
+ [Yy]* ) ;;
+ * ) exit;;
+ esac
+fi
+
+inBasename=$(basename "$1")
+inExt="${inBasename##*.}"
+
+isVideoStr=$(ffprobe -v warning -show_streams "$1" | grep codec_type=video)
+if [ -n "$isVideoStr" ]
+then
+ isVideo=1
+ printf "Detected %s as a video file\n" "$inBasename"
+else
+ isVideo=0
+ printf "Detected %s as an audio file\n" "$inBasename"
+fi
+
+printf "Sample noise start time [00:00:00]: "
+read -r sampleStart
+if [ -z "$sampleStart" ] ; then sampleStart="00:00:00"; fi
+printf "Sample noise end time [00:00:00.900]: "
+read -r sampleEnd
+if [ -z "$sampleEnd" ] ; then sampleEnd="00:00:00.900"; fi
+printf "Noise reduction amount [0.21]: "
+read -r sensitivity
+if [ -z "$sensitivity" ] ; then sensitivity="0.21"; fi
+
+
+tmpVidFile="/tmp/noiseclean_tmpvid.$inExt"
+tmpAudFile="/tmp/noiseclean_tmpaud.wav"
+noiseAudFile="/tmp/noiseclean_noiseaud.wav"
+noiseProfFile="/tmp/noiseclean_noise.prof"
+tmpAudCleanFile="/tmp/noiseclean_tmpaud-clean.wav"
+
+printf "Cleaning noise on %s...\n" "$1"
+
+if [ $isVideo -eq "1" ]; then
+ ffmpeg -v warning -y -i "$1" -qscale:v 0 -vcodec copy -an "$tmpVidFile"
+ ffmpeg -v warning -y -i "$1" -qscale:a 0 "$tmpAudFile"
+else
+ cp "$1" "$tmpAudFile"
+fi
+ffmpeg -v warning -y -i "$1" -vn -ss "$sampleStart" -t "$sampleEnd" "$noiseAudFile"
+sox "$noiseAudFile" -n noiseprof "$noiseProfFile"
+sox "$tmpAudFile" "$tmpAudCleanFile" noisered "$noiseProfFile" "$sensitivity"
+if [ $isVideo -eq "1" ]; then
+ ffmpeg -v warning -y -i "$tmpAudCleanFile" -i "$tmpVidFile" -vcodec copy -qscale:v 0 -qscale:a 0 "$2"
+else
+ cp "$tmpAudCleanFile" "$2"
+fi
+
+printf "Done"