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Alexa Blogs

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Showing posts by Minhua Wu

March 20, 2019

Minhua Wu

Using one neural network to label speech data, adding synthetic environmental noise to that data, and then using it to train a second neural network improves speech recognition, particularly under noisy conditions.

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April 12, 2018

Minhua Wu

The first step in providing a great customer experience with an Alexa-enabled device is wake word detection. Next week, at the IEEE International Conference on Acoustics, Speech and Signal Processing, Amazon scientists will present two new techniques that improve wake word performance.

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