From cc0ecbaf7e7e77a541e2ef2fb37c5fcfacac8f49 Mon Sep 17 00:00:00 2001
From: David <david@rowetel.com>
Date: Sat, 11 Apr 2020 16:25:21 +0930
Subject: [PATCH] utils for Librispeech

---
 src/concat.sh      | 10 ++++++----
 src/flac_to_wav.sh | 10 ++++++++++
 2 files changed, 16 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 src/concat.sh
 create mode 100755 src/flac_to_wav.sh

diff --git a/src/concat.sh b/src/concat.sh
old mode 100644
new mode 100755
index 8369117..d98ccda
--- a/src/concat.sh
+++ b/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
diff --git a/src/flac_to_wav.sh b/src/flac_to_wav.sh
new file mode 100755
index 0000000..8f8aa29
--- /dev/null
+++ b/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