[ros-users] [Discourse.ros.org] Do I need a cloud for speech recognition or speech-to-text?

[Loy van Beek]

No, you do not need a 'cloud'. 

Getting text from speech is a separate problem from the interpretation of that text. That last part is sometimes called NLU: Natural Language Understanding and is related to Natural Language Processing. 

Several cloud or online services exist that do both and there are that only do the text-to-speech, not the NLU.
There are offline (ROS)-packages as well:

* https://wiki.ros.org/pocketsphinx (though not easy to make reliable in my experience). Also take a look at https://answers.ros.org/question/246247/speech-recognition-packages-for-ros-kinetic-kame/
* For RoboCup at Home, my team uses https://github.com/tue-robotics/dragonfly_speech_recognition together with https://github.com/tue-robotics/grammar_parser 
* https://answers.ros.org/question/60323/speech-recognition-packages/
* https://github.com/julius-speech/julius 
* https://snips.ai/





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