Ok guys,
After many test phonetisaurus and pocketsphinx are not quite good to use, full of bug and the debugging of them is a pain in the ass!
When i will go on and continue this project of Jasper/jarvis i will see what alternatives the internet haz to offer… probably wit.ai.
Keep you posted
Doc : http://www.knight-of-pi.org/raspberry-pi-3-installing-jasper-with-wit-ai-for-voice-recognition/