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8 min read

Category: Business Culture

22 Sep 2023

22 Sep 2023

8 min read / Category: Business Culture

The Future of UI - Exploring Voice-Based User Interfaces

Angry Nerds


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The world of user interfaces (UI) is rapidly evolving, and we're witnessing a shift towards more natural and intuitive interaction methods. 

Voice-Based User Interfaces (VUI)

VUI is like having a tech-savvy assistant available to you at all times. With VUIs, you can do things like cue up your favorite music, inquire about the weather, or manage your home devices, all by simply speaking your mind.

These digital marvels come in different forms; for example, Amazon's Alexa or Google's Assistant, readily available on your phone or smart speakers. To kickstart a chat with a VUI, you only need to use a special "wake word" like "Alexa" or "Hey Google," and then chat away casually, as if you were talking to a friend.

These VUIs have a storied past, going back to early computing days, but they truly started to evolve when artificial intelligence and natural language processing stepped in. This new form of VUIs could understand you better and handle a wider range of tasks. As a result, they've found homes in everything from voice assistants to home automation systems. Today, they're all over the place, and we will continue to see even more of them as technology keeps on evolving.

The Global Voice User Interface Market is expected to reach a significant size, estimated at $45.94 billion by 2027, with a robust Compound Annual Growth Rate (CAGR) of 23.4% during the forecast period. Voice activated interfaces have gained popularity due to the advancement of technology and the current trend of modernization. These interfaces offer a range of features, including text to speech functions powered by the wonders of machine learning.

User Benefits of Voice-Based User Interfaces (VUI)

Ease of Use: Voice User Interfaces (VUIs) make technology more user friendly as users can interact naturally through speech and voice commands. This eliminates the need for interfaces or technical expertise.

Accessibility and hands - free operation: VUIs are particularly beneficial for people with disabilities or other limitations, as they offer information, enable voice based control and ensure a seamless experience for everyone. With VUIs users can interact with devices or applications without interacting with them. This adds convenience, especially when multitasking, driving or situations where hands free operation is necessary.

Efficiency: VUIs excel in delivering information and performing tasks efficiently. They save time and effort across activities, such as checking the weather or setting reminders.

Natural Interaction: VUIs strive to replicate conversation making interactions more intuitive and user friendly. This approach enhances the user experience by creating a sense of assistance rather than interacting with a machine. It fosters engagement and satisfaction, among users.

How does implementing VUI benefit your website?

The incredible potential of Voice User Interface (VUI) technology is transforming how users interact with websites. If you're considering adding a VUI to your site you may be curious about the advantages it brings. A well crafted VUI can help your website in many ways. Firstly, it simplifies the user experience by making product selection and purchases effortless, while also ensuring accessibility for individuals with disabilities or vision imparities.

Additionally, an AI powered VUI can act as your round the clock customer support system resolving queries and explaining policies, significantly reducing the customer waiting time. It also caters to smart TV users by providing seamless experiences. Lastly an optimized VUI can enhance your websites search engine optimization (SEO) making it more discoverable and improving user engagement. To reap these benefits effectively it's essential to adhere to design principles when implementing a VUI on your website.

Design tips

When designing a Voice User Interface (VUI) for your website, it's important to keep in mind that it is not only a voice version of your existing graphical user interface (GUI). VUI design has its own distinct principles. One key consideration is time linearity; VUIs follow a linear progression, unlike GUIs.

Therefore, avoid using long prompts and opt for short, to-the-point menus and information placement. Allow users to interrupt and pause during interactions and incorporate earcons (auditory icons) to signify actions. Focus on conversation design, optimizing the VUI for natural language and avoiding technical jargon.

Also, collect user feedback and continue to collaborate with designers for a more intuitive experience, as there will always be new areas of improvement.

Examples of VUI

Ford SYNC is an innovative VUI system included in Ford cars which enhances the in-car experience. Driving operations like navigation, sound, and communication can all be controlled by simply using voice commands, which successfully minimize distractions and improves safety. Understanding natural languages is a feature of SYNC's VUI, which makes it simple for users to communicate without the need of remembering predefined instructions and specific command words. The main benefit of this technology is that drivers can stay connected while keeping their hands on the wheel and their eyes on the road thanks to features like hands-free calling and text messaging. Ford SYNC is one of many examples of how VUI can be implemented in the automotive industry.

Another great example is Duolingo, a well known platform for learning languages which uses VUI technology to create language lessons. Users have the opportunity to practice their speaking and pronunciation skills by engaging in conversations with the VUI. This feature provides feedback on pronunciation and also helps correct any language mistakes. The addition of the VUI feature enhances the nature of language learning, making users feel as if they are conversing with a speaker. What sets this platform apart is that the VUI features assist users in learning new languages, but also boosts their confidence for real life conversations.

Another example from the entertainment sector is Spotify, a music streaming service which has incorporated VUI capabilities to allow users to control their listening experience hands free. Through voice commands users can search for songs, artists and playlists effortlessly while also having control over volume adjustments and track skipping. Spotify's inclusion of VUI functionality enhances user convenience and accessibility in managing their music playback.

Angry Nerds


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