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ax206geek
Control your Kirkwood device with your voice
July 01, 2012 09:04AM
A cheap USB audio adapter from dealextreme/ebay: 
# cat /proc/asound/cards
 0 [AUDIO          ]: USB-Audio - USB  AUDIO
                      USB  AUDIO at usb-orion-ehci.0-1.3.2, full speed
# cat /proc/asound/devices 
  1:        : sequencer
  2: [ 0- 0]: digital audio playback
  3: [ 0- 0]: digital audio capture
  4: [ 0]   : control
 33:        : timer

The speech to text script 
#!/bin/bash
arecord -D plughw:0,0 -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" http://www.google.com/speech-api/v1/recognize?lang=en | sed -e 's/[{}]/''/g'| awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a; exit }' | awk -F: 'NR==3 { print $3; exit }'

Finally to execute the command 
eval `speech2text.sh`

Test with simple commands like hostname, date
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