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Not an answer. I encountered the same issue, and found this question here !
portaudio site was down it is now back up
i am facing same issue.
1 Person is following this question.
Two Raspberry Pi with Alexa, They both answer???
Using Alexa API can I get the tokens and take my own action?
How to stop SpeechSynthesizer.speak directive?
Is there any solution to awake Alexa with environmental sounds rather than its keywords?
From my system to Alex Voice Service : send a text message in JSON to Alexa and Alexa will read back the message