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在线翻译:
szdaily -> Tech and Science -> 
Amazon reveals new Whisper Mode for Alexa
    2018-10-24  08:53    Shenzhen Daily

Alexa is about to get quieter. A new Whisper Mode is launched, allowing Amazon’s smart speaker to keep the volume down when needed.

It allows the Echo smart speakers to intelligently reduce the voice assistant’s volume when you whisper a command to it. It comes in response to complaints from customers that Alexa wakes up their partners, children and pets.

The new Whisper Mode feature would prevent unexpectedly loud responses in quiet situations and instead use a gentler voice.

“Gone are the days of waking up your spouse or partner to ask Alexa for the weather in the morning or turn your alarm off,” Amazon’s Zeynab Raeesy said. “We would like Alexa to react to conversational cues in such a natural way.”

The firm is also developing a service called “Alexa Guard” to recognize smoke alarms, carbon monoxide* alarms and glass breaking.

But two of the new features announced in September expand Alexa’s awareness of the customer’s aural context beyond the recognition and understanding of words.

“Both systems use a machine-learning network known as a long short-term memory,” said Rohit Prasad, vice president and head scientist of Alexa AI*.

Incoming audio signals are broken into ultrashort snippets, and the long short-term memory network processes them in order.(SD-Agencies)

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