diff --git a/speak-file-mp3.sh b/speak-file-mp3.sh
new file mode 100755
index 0000000..851adf2
--- /dev/null
+++ b/speak-file-mp3.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+FILE="ffmpeg_output.wav"
+MP3="ffmpeg_output.mp3"
+
+ffmpeg -i $FILE -acodec mp3 $MP3 -y
+ffplay $MP3 -nodisp -autoexit
diff --git a/speak-file-slobot.sh b/speak-file-slobot.sh
new file mode 100755
index 0000000..53a1421
--- /dev/null
+++ b/speak-file-slobot.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+# https://trac.ffmpeg.org/wiki/How%20to%20speed%20up%20/%20slow%20down%20a%20video
+# https://github.com/mozilla/TTS
+#
+
+if [ -z "$1" ]; then 
+    echo usage: $0 \"filename\" [tempo]
+        exit
+fi
+
+FILE=$1
+STR=`cat $FILE`
+MODEL="tts_models/en/jenny/jenny"
+TEMPO=1.0
+
+if [ -z "$2" ]; then
+    TEMPO=$TEMPO
+else
+    TEMPO=$2
+fi
+
+tts --text "$STR" --model_name "$MODEL" && \
+ffmpeg -i tts_output.wav -filter:a "atempo=$TEMPO" -vn ffmpeg_output.wav -y && \
+ffmpeg -i ffmpeg_output.wav -acodec mp3 $FILE.mp3 -y && \
+ffplay $FILE.mp3 -nodisp -autoexit
diff --git a/speak-file-slomo.sh b/speak-file-slomo.sh
new file mode 100755
index 0000000..ba08160
--- /dev/null
+++ b/speak-file-slomo.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+# https://trac.ffmpeg.org/wiki/How%20to%20speed%20up%20/%20slow%20down%20a%20video
+# https://github.com/mozilla/TTS
+#
+
+if [ -z "$1" ]; then 
+    echo usage: $0 \"filename\" [tempo]
+        exit
+fi
+
+FILE=$1
+STR=`cat $FILE`
+MODEL="tts_models/en/ljspeech/glow-tts"
+TEMPO=1.0
+
+if [ -z "$2" ]; then
+    TEMPO=$TEMPO
+else
+    TEMPO=$2
+fi
+
+tts --text "$STR" --model_name "$MODEL" && \
+ffmpeg -i tts_output.wav -filter:a "atempo=$TEMPO" -vn ffmpeg_output.wav -y && \
+ffmpeg -i ffmpeg_output.wav -acodec mp3 $FILE.mp3 -y && \
+ffplay $FILE.mp3 -nodisp -autoexit
diff --git a/speak-file.sh b/speak-file.sh
new file mode 100755
index 0000000..38484e3
--- /dev/null
+++ b/speak-file.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+# https://trac.ffmpeg.org/wiki/How%20to%20speed%20up%20/%20slow%20down%20a%20video
+# https://github.com/mozilla/TTS
+#
+
+if [ -z "$1" ]; then 
+    echo usage: $0 \"filename\" [tempo] [model]
+        exit
+fi
+
+FILE=$1
+STR=`cat $FILE`
+MODEL="tts_models/en/jenny/jenny"
+TEMPO=1.0
+
+if [ -z "$2" ]; then
+    TEMPO=$TEMPO
+else
+    TEMPO=$2
+    if [ -z "$3" ]; then
+        MODEL=$MODEL
+    else
+        MODEL=$3
+    fi  
+fi
+
+tts --text "$STR" --model_name "$MODEL" && \
+ffmpeg -i tts_output.wav -filter:a "atempo=$TEMPO" -vn ffmpeg_output.wav -y && \
+ffplay ffmpeg_output.wav -nodisp -autoexit