Amazon Echo
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The document discusses Alexa skills and the Alexa skills kit. It covers building skills with Node.js using the Alexa skills kit SDK and AWS Lambda. It also describes setting up an Amazon developer account and AWS account to build Alexa skills. Finally, it outlines sections for a "My Assistant" Alexa skill project, including creating basic skills, handling intents, complex conversations, database storage, state management, and account linking.
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Amazon Echo
- 1. ALEXA SKILLS KIT ROMA 31-06-2017 LUISS ENLABS ANTIMO MUSONE MANAGER / ARCHITECT IT ANTIMO.MUSONE@HOTMAIL.COM ANTIMO.MUSONE@IT.EY.COM ANTIMO.MUSONE@FIFTHINGENIUM.COM
- 2. • PART 1 – INTRO TO ALEXA • INTRO TO ALEXA SKILLS KIT • ALEXA NODEJS SDK • ALEXA DEVELOPMENT ENVIRONMENT • PART 2 – MY ASSISTANT PROJECT • AMAZON DEVELOPER ACCOUNT • AWS ACCOUNT • ALEXA DEVICE
- 5. ALEXA FAMILY ECHO $ 179 ECHO DOT $49 ECHO TAP $129.99 ECHO SHOW $229.99 ECHO LOOK $199
- 6. WHAT CAN ALEXA DO?
- 8. ALEXA SKILLS KIT REQUEST RESPONSE MODEL • ALEXA COMMUNICATES WITH YOUR SKILL’S BACKEND (WEB SERVICE OR AWS LAMBDA FUNCTION) VIA A HTTPS REQUEST-RESPONSE FORMAT • WHEN A USER INTERACTS WITH YOUR SKILL, ALEXA SENDS YOUR SERVICE A POST REQUEST CONTAINING A JSON BODY
- 9. ALEXA SKILLS KIT REQUEST RESPONSE MODEL • REQUEST BODY: • SESSION – INFORMATION ABOUT THE CURRENT SESSION • CONTEXT – INFORMATION ABOUT THE CURRENT STATE OF THE ALEXA SERVICE AND THE DEVICE • REQUEST – INFORMATION ABOUT THE USER’S REQUEST TYPE: • LAUNCH REQUEST • INTENTREQUEST • SESSIONENDEDREQUEST • AUDIOPLAYER REQUESTS • PLAYBACKCONTROLLER REQUESTS https://developer.amazon.com/public/solutions/alexa/alexa-skills-kit/docs/alexa-skills-kit-interface-reference
- 10. ALEXA SKILLS KIT REQUEST RESPONSE MODEL • RESPONSE BODY: • OUTPUTSPEECH – WHAT ALEXA WILL SAY AS A RESPONSE • CARD – CARD OBJECT TO BE RENDERED IN THE ALEXA COMPANION APP AS PART OF THE RESPONSE • REPROMPT – WHAT ALEXA WILL SAY IF THE SESSION IS TO REMAIN OPEN AND A REPROMPT IS NECESSARY • SHOULDENDSESSION – INDICATES WHETHER THE SESSION SHOULD CLOSE • DIRECTIVES – ARRAY OF DIRECTIVES SPECIFYING DEVICE LEVEL ACTIONS SUCH AS FOR THE AUDIOPLAYER INTERFACE https://developer.amazon.com/public/solutions/alexa/alexa-skills-kit/docs/alexa-skills-kit-interface-reference
- 11. ALEXA NODEJS SDK HTTPS://GITHUB.COM/ALEXA/ALEXA-SKILLS-KIT-SDK-FOR-NODEJS EASILY BUILD ALEXA SKILLS WITH NODEJS AND AWS LAMBDA HELPER EVENTS FOR NEW SESSIONS AND UNHANDLED EVENTS HELPER FUNCTIONS FOR EASY STATE MANAGEMENT SIMPLE CONFIGURATION FOR PERSISTENT DATABASE STORAGE IN DYNAMODB SPEECH OUTPUT AUTOMATICALLY WRAPPED IN SSML OFFICIALLY SUPPORTED BY AMAZON
- 12. ALEXA DEVELOPMENT ENVIRONMENT • AMAZON DEVELOPER PORTAL • HTTPS://DEVELOPER.AMAZON.COM/ALEXA • AWS LAMBDA • HTTPS://AWS.AMAZON.COM/CONSOLE/ • AWS CLI • HTTPS://AWS.AMAZON.COM/CLI/
- 13. MY ASSISTANT ALEXA SKILL
- 14. MY ASSISTANT SKILL – INTRO • AIM – BUILD AN ALEXA SKILL THAT GIVES PEOPLE INFORMATION ABOUT RECIPES, HOW TO OF COMMON TASKS OR INGREDIENTS OF FOODS • ALEXA, ASK MY ASSISTANT HOW CAN I BUILD A MAP? • ALEXA, ASK MY ASSISTANT WHAT ARE THE INGREDIENTS FOR A CAKE? • ALEXA, ASK MY ASSISTANT HOW DO I MAKE FIREWORK ROCKET?
- 15. MY ASSISTANT SKILL - SECTIONS • VOICE DEVS PROJECT 1. CREATING A BASIC SKILL 2. SIMPLE INTENTS 3. COMPLEX CONVERSATIONS 4. PERSISTENT DATABASE STORAGE 5. STATE MANAGEMENT 6. ACCOUNT LINKING 7. MULTIPLE LANGUAGES
- 16. CREATING A BASIC SKILL • SKILL TEMPLATE • SPEECH ASSETS • INTENT SCHEMA • CUSTOM SLOTS • UTTERANCES • BUILD LAMBDA • TEST
- 17. SIMPLE INTENTS • ALEXA, ASK MY ASSISTANT HOW DO I MAKE FIREWORK ROCKET? • ALEXA, ASK MY ASSISTANT WHAT ARE THE INGREDIENTS FOR A {ITEM}? • ALEXA, ASK MY ASSISTANT HOW DO YOU CRAFT {ITEM}? • ALEXA, ASK MY ASSISTANT RECIPES FOR A {ITEM}?
- 18. COMPLEX CONVERSATIONS • AIM CREATE COMPLEX & PERSONAL CONVERSATIONS BETWEEN ALEXA AND YOUR USER: • SESSION ATTRIBUTES • PERSISTENT DATABASE STORAGE • STATE MANAGEMENT • ACCOUNT LINKING
- 19. PERSISTENT DATABASE STORAGE • OFTEN WE WANT INFORMATION WE’VE CAPTURED FROM OUR USER TO BE STORED BETWEEN SESSIONS. • THE ALEXA-SDK PROVIDES AN EASY WAY TO DO THIS VIA AMAZON DYNAMODB. • SIMPLY ADD THE DYNAMODB TABLE NAME TO YOUR ALEXA OBJECT: ALEXA.DYNAMODBTABLENAME = 'YOURTABLENAME';
- 20. STATE MANAGEMENT • WHY STATE MANAGEMENT? • ALEXA-SDK COMES WITH BUILT IN STATE MANAGEMENT • ALEXA-SDK WILL ROUTE INCOMING INTENTS TO THE CORRECT FUNCTION HANDLER BASED ON STATE • STATE IS PERSISTED IN DYNAMODB ALONG WITH SESSION ATTRIBUTES • USE THE ’UNHANDLED’ HANDLER DYNAMODB TO COVER INTENTS THAT ARE CALLED IN A STATE THAT DOESN’T SUPPORT THEM Onboardin g State Main State Some Other State
- 21. ACCOUNT LINKING • ALLOWS USER TO LINK THEIR ALEXA ACCOUNT WITH AN ACCOUNT FROM A 3RD PARTY SYSTEM OR YOUR OWN USER ACCOUNT SYSTEM • ALLOWS USER TO MAKE AUTHENTICATED REQUESTS TO THIS SYSTEM • DO I NEED ACCOUNT LINKING? – CAN I JUST USE THE USERID ATTRIBUTE TO MANAGE USER ATTRIBUTES BETWEEN SESSIONS?
- 22. OAUTH2 ROLES IN ALEXA • RESOURCE OWNER: THE END USER WHO WANTS TO CONNECT YOUR SKILL WITH THEIR USER ACCOUNT IN ANOTHER SYSTEM. • RESOURCE SERVER: THE SERVER HOSTING THE RESOURCES THE USER WANTS TO ACCESS. THIS SERVER IS PART OF THE EXTERNAL SYSTEM, AND IT MUST BE ABLE TO ACCEPT AND RESPOND TO REQUESTS USING ACCESS TOKENS. • AUTHORIZATION SERVER: THE SERVER THAT AUTHENTICATES THE IDENTITY OF THE RESOURCE OWNER AND ISSUES ACCESS TOKENS. • CLIENT APP: THE APPLICATION MAKING THE REQUESTS TO THE RESOURCE SERVER ON BEHALF OF THE RESOURCE OWNER. IN THIS CONTEXT, THIS IS THE ALEXA SKILL.
- 23. ALEXA OAUTH DATA FLOW – LOGIN WITH AMAZON
- 24. AUTHORIZATION CODE GRANT VS IMPLICIT GRANT • AUTHORIZATION CODE GRANT: • AUTHORIZATION SERVER RETURNS AN AUTHORIZATION CODE • ALEXA SERVICE USES AUTHORIZATION CODE TO REQUEST AN ACCESS TOKEN AND REFRESH TOKEN • SUPPORTS REFRESH TOKENS • MORE SECURE • IMPLICIT GRANT: • AUTHORIZATION SERVER RETURNS AN ACCESS TOKEN • SIMPLER • NO REFRESH TOKEN SUPPORT
- 25. VOICE BEST PRACTICE • VOICE BEST PRACTICE • DO USER TESTING EARLY ON • DON’T START CODING UNTIL THE VOICE INTERACTION MODEL HAS BEEN DONE • KEEP ALEXA’S RESPONSES AS SHORT AS POSSIBLE • DON’T HAVE TOO MANY STEPS IN THE CONVERSATION • IT’S WORTH SPENDING TIME ON THE ‘HALF-HAPPY’ PATHS - HAVE A BACKUP LAYER WITHIN THE SKILLS BACKEND THAT DOES KEYWORD MATCHING IF THE SLOTS WEREN’T EXACTLY RECOGNIZED • DISCOVERABILITY • WHO IS GOING TO BE USING THE VOICE APP? • HOW WILL THEY FIND OUT ABOUT IT? • WHAT WILL BE THE REASON THEY COME TO USE THE VOICE APP?
Editor's Notes
- Alexa, the voice service that powers Echo, provides capabilities, or skills, that enable customers to interact with devices in a more intuitive way using voice. Alexa Voice Service (AVS) is an intelligent and scalable cloud service that adds voice-enabled experiences to any connected product – all you need is a microphone and speaker. The Alexa Voice Service (AVS) allows you to integrate Alexa’s built-in voice capabilities into your connected products. With AVS, your users will have the ability to play music, request the weather forecast and local news, get updates on traffic conditions, ask general knowledge questions, set timers and alarms, query Wikipedia and much more, the same way they would with an Amazon Echo. You also have access to third-party skills developed using the Alexa Skills Kit (ASK). Using AVS and ASK together, you can build sophisticated interactions to extend the capabilities of your Alexa-enabled product. The Alexa Skills Kit is a collection of self-service APIs, tools, documentation and code samples that make it fast and easy for you to add skills to Alexa. All of the code runs in the cloud — nothing is installed on any user device. With the Alexa Skills Kit, you can create compelling, hands-free voice experiences by adding your own skills to Alexa. Customers can access these new skills on any Alexa-enabled device simply by asking Alexa a question or making a command. With the Alexa Skills Kit (ASK), designers, developers, and brands can build engaging skills and reach millions of customers. ASK is a collection of self-service APIs, tools, documentation, and code samples that makes it fast and easy for you to add skills to Alexa. With ASK, you can leverage Amazon’s knowledge and pioneering work in the field of voice design.
- Amazon Echo is a new category of device designed around your voice – it is hands-free and always on. Customers ask Echo for information, music, news, and weather from across the room and get answers instantly. TechCrunch said “Amazon Echo proves the viability of voice-based home computing.” Amazon Tap is a portable Bluetooth and Wi-Fi enabled speaker that gives you rich, full-range sound. Dual stereo speakers with Dolby processing offer crisp vocals and extended bass response. And unlike other Bluetooth speakers that only face forward, Amazon Tap has dual stereo speakers that provide immersive, 360 degree omni-directional audio. When connected to Wi-Fi or a mobile hotspot, just tap the microphone button and ask for music, hear news, search for information, order a pizza, and more with the Alexa Voice Service. Echo Show is a new device that brings you everything you love about Alexa. All Alexa skills will automatically be available on Echo Show. Skills will display any skill cards you currently return in your response objects. This is very similar to how customers see your Alexa skill cards on the Alexa app, Fire TV, and Fire Tablet devices today. If no skill card is available, a default template shows the skill icon and skill name. The main difference between Dot and Echo is that the full-size speaker is gone. The idea is you'll hook Dot up to your own audio setup (via out jack or Bluetooth), so you can use Alexa with your existing speakers. That tiny speaker won't output much audio; Echo Look Wi-Fi camera that offers full Alexa functionality plus hands-free photo and video! Amazon called this fashion feature "Style Check,“ http://www.pocket-lint.com/news/136952-amazon-echo-vs-amazon-tap-vs-echo-dot-vs-echo-look-vs-echo-show-what-s-the-difference
- https://github.com/alexa/skill-sample-nodejs-howto
- A successful Alexa skill starts with well-designed voice user interface (VUI). Engaging voice experiences are based on natural language and the fundamentals of human conversation.