utils for Librispeech

src/concat.sh

@@ -1,6 +1,8 @@
-# Place in 16k-LP7 from TSPSpeech.iso and run to concatenate wave files
-# into one headerless training file
-for i in */*.wav
+#!/bin/bash
+# Concatenate .wav files into one headerless .sw training file
+# usage: ./concat.sh concatfile.sw
+
+for i in `find . -name '*.wav'`
 do
 sox $i -r 16000 -c 1 -t sw -
-done > input.s16
+done > $1

src/flac_to_wav.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Convert all .flac files under this folder to .wav files
+# source: several GitHub repos
+
+find . -iname "*.flac" | wc
+
+for flacfile in `find . -iname "*.flac"`
+do
+    ffmpeg -y -f flac -i $flacfile -ab 64k -ac 1 -ar 16000 -f wav "${flacfile%.*}.wav"
+done