Writing Alexa’s next chapter by combining engineering and science
Amazon Science » Alexa
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2M ago
Amazon senior principal engineer Luu Tran is helping the Alexa team innovate by collaborating closely with scientist colleagues ..read more
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Alexa Arena: A user-centric interactive platform for embodied AI
Amazon Science » Alexa
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3M ago
We introduce Alexa Arena, a user-centric simulation platform to facilitate research in building assistive conversational embodied agents. Alexa Arena features multi-room layouts and an abundance of interactable objects. With user-friendly graphics and control mechanisms, the platform supports the development of gamified robotic tasks readily accessible to general human users, allowing high-efficiency data collection and EAI system evaluation. Along with the platform, we introduce a dialog-enabled task completion benchmark with online human evaluations ..read more
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Alexa unveils new speech recognition, text-to-speech technologies
Amazon Science » Alexa
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5M ago
Leveraging large language models will make interactions with Alexa more natural and engaging ..read more
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MASSIVE: A 1M-example multilingual natural language understanding dataset with 51 typologically-diverse languages
Amazon Science » Alexa
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8M ago
We present the MASSIVE dataset— Multilingual Amazon Slu resource package (SLURP) for Slot-filling, Intent classification, and Virtual assistant Evaluation. MASSIVE contains 1M realistic, parallel, labeled virtual assistant utterances spanning 51 languages, 18 domains, 60 intents, and 55 slots. MASSIVE was created by tasking professional translators to localize the English-only SLURP dataset into 50 typologically diverse languages from 29 genera. We also present modeling results on XLM-R and mT5, including exact match accuracy, intent classification accuracy, and slot-filling F1 score. We have ..read more
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Pronunciation detection for Alexa’s new English-learning experience
Amazon Science » Alexa
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8M ago
Data augmentation, novel loss functions, and weakly supervised training enable a state-of-the art model for recognizing mispronunciations ..read more
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Alexa Skills Inventor boosts AI education
Amazon Science » Alexa
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8M ago
The program exposes students to computer science as they create their own Alexa skills ..read more
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How Alexa learned to speak with an Irish accent
Amazon Science » Alexa
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8M ago
With little training data and no mapping of speech to phonemes, Amazon researchers used voice conversion to generate Irish-accented training data in Alexa’s own voice ..read more
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The science behind the improved Fire TV voice search
Amazon Science » Alexa
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8M ago
How phonetically blended results (PBR) help ensure customers find the content they were actually asking for ..read more
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How Amazon scientists are driving success for Alexa in the car
Amazon Science » Alexa
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11M ago
From noisy cars to unreliable signals, researchers have worked to extend the Alexa experience to vehicles on the move ..read more
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Amazon releases code, datasets for developing embodied AI agents
Amazon Science » Alexa
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11M ago
With Alexa Arena, developers can create simulated missions in which humans interact with virtual robots, providing a natural way to build generalizable AI models ..read more
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