VUI Design 
Using the best technology can only get you so far. High performance applications demand a Voice User Interface (VUI) that follows established best practices and seamlessly guides callers through your Angel.com Voice Sites.
Featured Articles
- 4 Ways to Earn Customer Raves with Your IVR System
“How can we design an IVR system that our customers will actually use?” Here are four ways your company can earn raves from customers with a well-designed IVR system. - Introduction to VUI Design
Good sound prompts can dramatically improve the experience of your customers. The key to a well rounded Voice Site is good information flow and sound files that prompt your callers to say the right things. - VUI 101
Identify the most common problems faced in VUI design and learn the best practices you can immediately implement to improve performance.
- Effective Voice Menus
One of the most common and important dialog designs in IVR and speech recognition applications is the menu.
- Effective Voice Prompts
With these tips for writing high quality voice prompts, you will see a marked improvement in your application's performance.
- Audio Production Tips
High-quality prompts and clever audio elements can dramatically improve the overall caller experience.
- Simple Error Recovery Strategies
Learn how to design your VUI so it effectively handles caller interactions that don't proceed as expected.
- Choosing the Correct Dialog Flow
Like many powerful instruments, rapid development tools can be extremely hazardous if not handled with care.
- Speech Tuning your Voice Application
Learn about six new Voice Site properties that will empower developers to tune the speech performance of their voice applications.
- Site Builder Tips for Better VUI
Site Builder tips that will help the voice developer build and maintain voice applications that observe the rules of consistency.
- Top 10 VUI No-Nos
A list of the most common VUI errors.
- Why VUI Design is More Challenging than GUI Design
At first glance it may seem easier to develop a VUI than a GUI, we'll show you why this is not the case.
- The Elements of Phone Survey Design
Learn why phone surveys are different from paper or Web surveys and how to design your VUI accordingly.
- Spice Up Your VUI with Dialog Markers
With a few dialog markers strategically placed, the robotic an IVR system can be easily smoothed out.
- The Quick VUI Checklist
A basic checklist of must-do tasks that should be accomplished before a voice application is released.
- To Barge-in or Not to Barge-in
The main factors a VUI designer needs to consider when deciding whether to turn barge-in on or off in a dialog flow.
- Structuring a Usable Help System for Callers
An overview of how to build a VUI Help System for higher call completion rates and more satisfied callers.
- Who's Afraid of Speech Recognition?
Makes the case that the negative perception held about speech-enabled IVR applications is undeserved and unfounded.
- Taking VUI to the Next Level with Non-Speech Audio
Learn where and how to use audio tones in a Voice User Interface (VUI) for an enhanced caller experience.
- VUI Quiz
This quiz touches on some basic VUI concepts and techniques covered in the VUI View column of the Angel.com Newsletter.
- 10 Tips for Crafting an Effective Opening Prompt
You get only one shot at making a good first impression. Such an impression is formed by callers and conveyed by VUI designers with the opening prompt.
