Added bin/wav2alaw

Signed-off-by: Jacob Kiers <jacob@alphacomm.nl>

bin/wav2alaw

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Converts all wav-files in a directory to alaw.
+
+if [[  -z "$1" ]]; then
+    DIR='.'
+else
+    if [ ! -d "$1" ]; then
+        echo "Directory does not exist!"
+        exit
+    else
+        DIR=$1
+    fi
+fi
+
+cd $DIR
+for f in `ls -1 *.wav | sed 's/\.[^.]*$//' | sort -n`; do
+    echo "Converting $f.wav to $f.alaw..."
+    `sox $f.wav --channels 1 --encoding a-law --rate 8000 --type raw $f.alaw.wav`
+    if [ $? -eq 0 ]; then
+        `mv $f.alaw.wav $f.alaw`
+        `rm $f.wav`
+    fi
+done
+
+echo "Done."