voice-control-demo.sh

#!/bin/bash
#
# Author: Mike Herwig
# Enhanced: Jacer Omri
# Description:
# Simple voice control demonstration using google's speech-api

if [ -z "$1" ]
  then
    echo "No language supplied, using en\n"
    LANG="en"
  else
    echo "using $1 as language\n"
    LANG="$1"
fi

API="http://www.google.com/speech-api/v1/recognize?lang=$LANG"

CMD_LIST_DIRECTORY="list directory"
CMD_WHOAMI="who am i"


JSON=`arecord -f cd -t wav -d 3 -r 16000 | flac - -f --best --sample-rate 16000 -o out.flac;\
wget -O - -o /dev/null --post-file out.flac --header="Content-Type: audio/x-flac; rate=16000" "$API"`

UTTERANCE=`echo $JSON\
 |sed -e 's/[{}]/''/g'\
  |awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]; exit }'\
   |awk -F: 'NR==3 { print $3; exit }'\
    |sed -e 's/["]/''/g'`

echo "utterance: $UTTERANCE"
echo ""

if [ `echo "$UTTERANCE" | grep -ic "^$CMD_LIST_DIRECTORY$"` -gt 0 ]; then
	ls .
elif [ `echo "$UTTERANCE" | grep -ic "^$CMD_WHOAMI$"` -gt 0 ]; then
	whoami
fi