Title: I&#x27;d like a home-based voice recognition without some off-site cloud.<p>I&#x27;d like a kind of echo dot like thing running on a set of raspberry pi devices each with a microphone and speaker. Ideally they&#x27;d be all over the house. I&#x27;m happy if they talk back via wifi to a server in my office for whatever real processing. The server might have 16 cores and 128Gb ram. Might even have two of these if required.<p>What options do I have? What limits? I&#x27;d really prefer answers from people who have experiences with the various options.<p>If it helps I&#x27;m happy to reduce vocabulary to a dictionary of words as long as I can add more words as necessary. Training is also ok. I&#x27;ve already analysed my voice conversations with an echo dot and the vocabulary isn&#x27;t that large.<p>Please remember: home use, no off-site clouds. I&#x27;m not interested in options involving even a free voice speech-to-text cloud. This eliminates google voice recognition, amazon etc. They are great but out of scope.<p>So far I&#x27;ve identified CMU Sphinx as a candidate but I&#x27;m sure there are others.<p>Ideas?
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