Recent Trends in Voice UI
                     R E C E N T  
T R E N D S  I N  
V O I C E  U I
MAIN TOPICS
POINTS TO TALK ABOUT
VUI that Builds Trust.
Adaptive User Interface.
VUI that Conveys Personality.
From Narrow AI Towards General 
Intelligence.
Voice User Interfaces (VUI) are the primary or 
supplementary visual, auditory, and tactile 
interfaces that enable voice interaction 
between people and devices.
TOP VUI 
TRENDS
Voice interaction is the largest UX challenge 
for designers when it comes to designing a 
VUI. An Important aspect is that VUI design 
still applies to the most fundamental UI 
design principles we use when we produce 
GUI products. Below are some trends to 
shape VUI design in the decades to come.
VUI
THAT BUILDS TRUST
Trust can help build a 
connection between an 
individual and a machine. If 
trust is lacking, user interactions 
with a specific voice user 
interface will not be great. VUI 
should make it clear to the 
person that what he/she have 
demanded is interpreted exactly. 
This goal can be achieved by 
focusing on improving speech 
accuracy (more sophisticated 
NLP algorithms).
It is important to 
concentrate on 
understanding the 
intent of the user (an 
initial reason for 
interacting). When 
users interact with a 
system, they 
experience a specific 
problem that they 
want to solve, and the 
designer's goal is to 
understand the 
problem.

ADAPTIVE USER 
INTERFACE
Adaptive UI (also referred to as AUI) is a 
User Interface (UI) that adapts to user's 
or context requirements. Future VUI will 
be adapted to users— the system will 
analyze all the user information it has 
(including the current information on the 
mental condition and health) and the 
current context in order to answer user 
requests. By using the available AI 
Software Solutions, it is possible to 
render a high level of adaptability.
VUI  THAT CONVEYS 
PERSONALITY
Designers can communicate personality by 
playing with words, voices, and tones as well 
as using language itself. A voice is part of the 
person and shapes his identity. It becomes 
part of its identity when we have combined a 
voice with something. And when we interact 
with such an interface, as when we interact 
with real people, we experience emotions. 
People want comprehensible voices–not just 
human voices.
FROM NARROW AI 
TOWARDS GENERAL 
INTELLIGENCE
Human-computer interactions are shifting to 
conversation, but users expect more. Most of 
AI systems available today are still limited to 
Narrow AI — such systems use Machine 
Learning to solve a clearly defined (and, in 
most cases, way too narrow) problem. Narrow 
AIs have zero knowledge outside of their 
training data.
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