The Amazon Lex speech recognition engine has now been trained on telephony audio (8 Khz) to provide increased speech recognition accuracy for conversations over the phone. Amazon Lex enables your users to interact with your application via natural conversation using the same deep learning technology as Amazon Alexa to fulfill most common requests. Amazon Lex chatbots maintain context and manage the dialogue, dynamically adjusting the responses based on the conversation.
Quelle: aws.amazon.com
Amazon Lex now supports 8 Khz telephony audio for increased speech recognition accuracy
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