diff --git a/scripts/reencode_m4a.sh b/scripts/reencode_m4a.sh
index 1302f76..9d74d93 100755
--- a/scripts/reencode_m4a.sh
+++ b/scripts/reencode_m4a.sh
@@ -6,6 +6,16 @@ for file in ./*.m4a; do
    if [[ $# > 0 && $1 == 'map' ]]; then
       map='-map 0:0';
    fi
-   echo "ffmpeg -i '$file' -c:a copy $map -movflags +faststart '../reencode/$file'";
-   ffmpeg -i "$file" -c:a copy $map -movflags +faststart "../reencode/$file";
+   vbr='';
+   if [[ $# > 1 && $2 == 'vbr' ]]; then
+      vbr='libfdk_aac -profile:a aac_he -b:a 64k';
+   else
+      map="$map copy"
+   fi
+   dest=../reencode
+   if [[ !(-d $dest) ]]; then
+      mkdir $dest
+   fi
+   echo "ffmpeg -i '$file' -c:a $vbr $map -movflags +faststart '$dest/$file'";
+   ffmpeg -i "$file" -c:a $vbr $map -movflags +faststart "$dest/$file";
 done
diff --git a/scripts/reencode_mp3.sh b/scripts/reencode_mp3.sh
deleted file mode 100755
index d82977b..0000000
--- a/scripts/reencode_mp3.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-for file in ./*.mp3; do
-   echo "ffmpeg -i '$file' -c:a copy -map 0:0 '../reencode/$file'";
-   ffmpeg -i "$file" -c:a copy -map 0:0 "../reencode/$file";
-done
diff --git a/scripts/transcode_m4a.sh b/scripts/transcode_m4a.sh
index e095468..8990753 100755
--- a/scripts/transcode_m4a.sh
+++ b/scripts/transcode_m4a.sh
@@ -6,7 +6,11 @@ for file in ./*.$1; do
    if [[ $# > 1 && $2 == 'map' ]]; then
    	  map='-map 0:0';
    fi
-   echo "ffmpeg -i '$file' -c:a libfdk_aac -profile:a aac_he -b:a 64k -movflags +faststart $map '../m4a/${file%$1}m4a'";
-   ffmpeg -i "$file" -c:a libfdk_aac -profile:a aac_he -b:a 64k -movflags +faststart $map "../m4a/${file%$1}m4a";
+   dest=../transcode_m4a
+   if [[ !(-d $dest) ]]; then
+      mkdir $dest
+   fi
+   echo "ffmpeg -i '$file' -c:a libfdk_aac -profile:a aac_he -b:a 64k -movflags +faststart $map '$dest/${file%$1}m4a'";
+   ffmpeg -i "$file" -c:a libfdk_aac -profile:a aac_he -b:a 64k -movflags +faststart $map "$dest/${file%$1}m4a";
 done