From ea6e6ee1040fa85f743ab50b699fbeb04d9a0522 Mon Sep 17 00:00:00 2001
From: jules <jules@asdf.us>
Date: Tue, 20 Mar 2018 23:35:18 +0100
Subject: scripts

---
 datasets/split44k.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 datasets/split44k.sh

(limited to 'datasets/split44k.sh')

diff --git a/datasets/split44k.sh b/datasets/split44k.sh
new file mode 100755
index 0000000..4884af1
--- /dev/null
+++ b/datasets/split44k.sh
@@ -0,0 +1,24 @@
+#/bin/sh
+
+if [ "$#" -ne 3 ]; then
+    echo "Usage: $0 <filename.wav> <chunk size in seconds> <dataset path>"
+    exit
+fi
+
+fn=$1
+chunk_size=$2
+dataset_path=$3
+
+converted=".temp2.wav"
+rm -f $converted
+ffmpeg -i $fn -ac 1 -ar 44100 $converted
+
+mkdir $dataset_path
+length=$(ffprobe -i $converted -show_entries format=duration -v quiet -of csv="p=0")
+end=$(echo "$length / $chunk_size - 1" | bc)
+echo "splitting..."
+for i in $(seq 0 $end); do
+    ffmpeg -hide_banner -loglevel error -ss $(($i * $chunk_size)) -t $chunk_size -i $converted "$dataset_path/$i.wav"
+done
+echo "done"
+rm -f $converted
-- 
cgit v1.2.3-70-g09d2


From 0ecd9fcea8e7426c003baadc0cd67b62e5cf382f Mon Sep 17 00:00:00 2001
From: jules on spawn <spawn@cortex>
Date: Tue, 10 Apr 2018 12:40:06 +0200
Subject: ffmpeg less verbose, get should append suffix

---
 datasets/get.pl      | 3 ++-
 datasets/split44k.sh | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'datasets/split44k.sh')

diff --git a/datasets/get.pl b/datasets/get.pl
index 8b821c6..531b9f7 100755
--- a/datasets/get.pl
+++ b/datasets/get.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/perl
 
-foreach (@ARGV){ system('/usr/bin/wget', 'https://asdf.us/neural/' . $_); }
+foreach (@ARGV){
+  my $s = $_; if ($s !~/\..*$/) { $s .= ".wav"; } system('/usr/bin/wget', 'https://neural:spawn5@asdf.us/neural/' . $s); }
 
diff --git a/datasets/split44k.sh b/datasets/split44k.sh
index 4884af1..b679d29 100755
--- a/datasets/split44k.sh
+++ b/datasets/split44k.sh
@@ -11,7 +11,7 @@ dataset_path=$3
 
 converted=".temp2.wav"
 rm -f $converted
-ffmpeg -i $fn -ac 1 -ar 44100 $converted
+ffmpeg  -hide_banner -loglevel error -i $fn -ac 1 -ar 44100 $converted
 
 mkdir $dataset_path
 length=$(ffprobe -i $converted -show_entries format=duration -v quiet -of csv="p=0")
-- 
cgit v1.2.3-70-g09d2