AWS Machine Learning Blog

Category: Amazon Lex*

Amazon Lex Now Supports Telephony Audio (8 kHz) for Increased Speech Recognition Accuracy

To increase the accuracy of speech recognition for conversations over the phone, Amazon Lex now supports telephony audio (8 kHz). You can now employ the same deep learning technology as Amazon Alexa to converse with your applications and fulfill the most common requests. Amazon Lex maintains context and dynamically manages the dialogue, adjusting responses based […]

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Voice-Enabled Mobile Bot Drives Auto Industry Innovation with Real-Time Trade-in Values for Vehicles

by Harshal Pimpalkhute and Dennis Hills | on | in Amazon Lex* | Permalink | Comments |  Share

The Kelley Blue Book Bot allows users to get real-time Kelley Blue Book® Trade-In Value for vehicles using natural language. Users can interact with the chatbot in both voice and text. A simple question like, “Kelley Blue Book, can you tell me the trade-in value for my 2012 Honda Civic?” is all that is needed […]

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“Greetings, visitor!” — Engage Your Web Users with Amazon Lex

All was well with the world last night. You went to bed thinking about convincing your manager to add some time in the next sprint for much-needed improvements to the recommendation engine for shoppers on your website. The machine learning models are out of date and people are complaining, but no one is looking past […]

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Activity Tracking with a Voice-Enabled Bot on AWS

by Bob Strahan, Oliver Atoa, and Bob Potterveld | on | in Amazon Lex* | Permalink | Comments |  Share

Listen to this post Voiced by Amazon Polly It’s New Year’s Eve. Your friends and loved ones have gone to the party, but you can’t go just yet because you haven’t figured out how to track the key performance indicators for your New Year’s resolution. You’ve already divided your resolution into categories, and you’ve set […]

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Capturing Voice Input in a Browser and Sending it to Amazon Lex

Ever since we released Amazon Lex, customers have asked us how to embed voice into a web application. In this blog post, we show how to build a simple web application that uses the AWS SDK for JavaScript to do that. The example application, which users can access from a browser, records audio, sends the […]

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Integrate Your Amazon Lex Bot with Any Messaging Service

Is your Amazon Lex chatbot ready to talk to the world? When it is, chances are that you’ll want it to be able to interact with as many users as possible. Amazon Lex offers built-in integration with Facebook, Slack and Twilio. But what if you want to connect to a messaging service that isn’t supported? […]

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AI Tech Talk: Introducing Amazon Lex – A Service for Building Voice or Text Chatbots

Amazon Lex is a service for building conversational interfaces into any application using voice and text. Lex provides the advanced deep learning functionalities of automatic speech recognition (ASR) for converting speech to text, and natural language understanding (NLU) to recognize the intent of the text, to enable you to build applications with highly engaging user […]

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Building Better Bots Using Amazon Lex (Part 2)

by Niranjan Hira and Harshal Pimpalkhute | on | in Amazon Lex* | Permalink | Comments |  Share

In Part 1 we reviewed some elementary bot design considerations, built the Amazon Lex CoffeeBot chatbot, and used the Amazon Lex Test console to confirm that CoffeeBot reacted to text input as expected.  In this post, we make some more design decisions to take CoffeeBot to the next level, including voice interaction. Note: The code […]

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Building Better Bots Using Amazon Lex (Part 1)

by Niranjan Hira and Harshal Pimpalkhute | on | in Amazon Lex* | Permalink | Comments |  Share

As Jeff Barr showed in his introductory blog post, Amazon Lex is a service that allows developers to build conversational interfaces for voice and text into applications. With Amazon Lex, the same deep learning technologies that power Amazon Alexa are now available to any developer, so you can quickly and easily build sophisticated, natural language […]

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AI Tech Talk: An Overview of AI on the AWS Platform

AWS offers a family of intelligent services that provide cloud-native machine learning and deep learning technologies to address your different use cases and needs. For developers looking to add managed AI services to their applications, AWS brings natural language understanding (NLU) and automatic speech recognition (ASR) with Amazon Lex, visual search and image recognition with […]

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