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VOICEN - the smart speaker

 

smart speaker from scratch , xiongyihui

github 

hackaday 

makerfab

so far, this project is the most simple and straightforward I have found. All the codes are under one github, 

Hardware: raspberry pi + mic array + speaker

mic array are relatively low cost, based on Respeaker:

2 mic array

4 mic linear array, wiki ( preferred)

6 mic array 

the codes are more readable than respeaker 

no DSP is required

also based on Speex codec

With echo cancellation 

coding architecture based on webRTC 

ODAS


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