Voice User Interfaces

🎙

With Alexa + Node.js

Ricardo Casares

github/ricardocasares

analogic.al

Cloud Based

Voice Service

Rich Voice Experiences

What can I do with it today?

Home Automation

Flash Briefing

Games & Trivia

Workplace Tasks

Video Content

Kids Entertainment

Custom Skills

✌🏼 Sample utterances

👊🏼 Interaction Model

🤟🏼 Built-in & Custom Slots

🖐🏼 Web service

☝🏼 Intents

🤔 Something to put all this together

☝🏼 Intents

What is the weather?

Is it cold?

Is it warm?

CheckWeatherIntent

⤴

It is 23 degrees

✌🏼 Sample utterances

Will be raining tomorrow?

Is it warm?

Is it cold?

CheckWeatherIntent

ForecastIntent

Check the forecast for this weekend

Will the sunshine on friday?

Looks very cold outside! ☃️

tomorrow, weekend, friday

{when} = AMAZON.DATE

🤟🏼 Built-in & Custom Slots

Think of anything a user can say that you can group by a specific category.

    - Dates, times & numbers
    - List types: Books, Movies, Cities, etc.

Built-in slots

Custom slots

{
    "interactionModel": {
        "languageModel": {
            "invocationName": "weather",
            "intents": [
                {
                    "name": "CheckWeatherIntent",
                    "slots": [],
                    "samples": [
                        "is it cold",
                        "is it warm"
                    ]
                },
                {
                    "name": "ForecastIntent",
                    "slots": [
                        {
                            "name": "when",
                            "type": "AMAZON.DATE"
                        }
                    ],
                    "samples": [
                        "will be cold {when}",
                        "will be raining {when}"
                    ]
                }
            ],
            "types": []
        }
    }
}

👊🏼 Interaction Model

🖐🏼 Web service

User  Alexa, open the weather skill

Alexa Welcome to the weather skill

User  Will be raining tomorrow?

Alexa ...

{
  request: {
    type: "IntentRequest",
    intent: {
      name: "ForecastIntent",
      slots: { when: "07/06/2018" }
    }
  }
}

{
  response: {
    outputSpeech: {
      text: "Yes"
    }
  }
}

Alexa Yes

🤔 Something to put all this together

Alexa console

Where do we start?

Alexa, start Rolling Scopes

Tell me upcoming events

UpcomingEvents

wake word

launch

invocation name

Who are the top ten speakers?

TopSpeakers

slot

🤯

💣

bit.ly/alexa-rs

Live coding time!

```
Identify your skill purpose
```
```
Identify user stories
```
```
Practice with a friend or coworker
```
```
Handle multiple paths
```
```
Keep interactions short
```

Takeaways

```
Provide conversation markers
```
```
Remember what was said
```
```
Provide contextual help
```
```
Provide definite choices
```
```
Handle problems
```

🍔

Current Usage

There are over one billion voice searches per month.

- Alpine.ai

Google voice search queries in 2016 are up 35x over 2008.

- Search Engine Watch

Cortana now has 133 million monthly users.

- Microsoft

25% of 16-24s use voice search on mobile.

- Global Web Index

🍰

Predictions

About 30% of searches will be done without a screen by 2020.

- Mediapos

We estimate there will be 21.4 million smart speakers in the US by 2020

- Activate

By 2019, the voice recognition market will be a $601 million industry.

- VoiceLabs

50% of all searches will be voice searches by 2020

- ComScore

🧙🏻‍♂️

Disclaimer

⚠️

Thank You!

🙌🏻