Created
May 28, 2014 03:25
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Noise Removal using avconv and sox
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#!/bin/sh | |
# Tested with : | |
# * avconv version 9.13-6:9.13-0ubuntu0.14.04.1, | |
# * SoX v14.4.1 | |
# | |
# Just run clean.sh input_file.mp4 output_file.mp4 | |
INPUT=$1 | |
OUTPUT=$2 | |
LOG="$OUTPUT".log | |
echo "Extrayendo video ..." | |
avconv -i "$INPUT" -an -vcodec copy /tmp/tmpvid.mp4 >> "$LOG" 2>&1 | |
echo "Extrayendo audio ..." | |
avconv -i "$INPUT" -vn -acodec copy /tmp/tmpaud.mp3 >> "$LOG" 2>&1 | |
echo "Preparando Noise Sample ..." | |
avconv -i "$INPUT" -vn -ss 00:00:00 -t 00:00:01 /tmp/noiseaud.mp3 >> "$LOG" 2>&1 | |
echo "Generando Noise Profile ..." | |
sox /tmp/noiseaud.mp3 -n noiseprof /tmp/noise.prof >> "$LOG" 2>&1 | |
echo "Eliminando Ruido ..." | |
sox /tmp/tmpaud.mp3 /tmp/tmpaud-clean.mp3 noisered /tmp/noise.prof 0.21 >> "$LOG" 2>&1 | |
echo "Generando nuevo video ..." | |
avconv -i /tmp/tmpaud-clean.mp3 -i /tmp/tmpvid.mp4 -acodec copy -vcodec copy "$OUTPUT" >> "$LOG" 2>&1 | |
echo "Limpiando archivos temporales ..." | |
rm -rf /tmp/*.mp3 /tmp/*.mp4 >> "$LOG" 2>&1 | |
echo "Listo." |
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