April 30, 2017 - No Comments!

Voice user interface design

I wanted to share some resources I've found useful for my projects.

Google Actions has a great overview of VUI design. The videos are a good starting point.

Alexa Skills Kit Voice Design Best Practices

Skeuomorphism in voice interface design (for now)


Main takeaways and things to keep in mind:

1. Uncanny valley 

The more something sounds like a human, the more we perceive it as a weird or off human and feel uneasy.

2. Succinctness

There’s only so much we can ingest from a response. A visual list of information we can go back and forth to is easier than trying to remember what we heard. We tire out trying to remember exactly what was said.

3. Recognition verses recall 

What people can respond with should be easily available for recall. Don’t put the cognitive load on people by making them remember too many things, 3 things max.

4. Task-focused interactions

It’s better to have people focus on simple requests and tasks and be explicit about what can be done. Information exploration that’s possible in visual interfaces doesn’t translate as well to voice. The assistant needs to be clear about what function it's performing.

5. Complementary visual interfaces

Visual additions are great for extra information that wouldn’t be easily absorbed from a voice response.

6. Accessibility

Success depends on the device being able to work with differing speech patterns, high pitched and low voices, accents and speech impairments, soft voices and loud voices, etc.

7. Feedback

The system should be transparent about its status and errors and what we can do to get unstuck.

Published by: reitmane in UX, product design

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