A voice-user interface ( VUI ) enables spoken human interaction with computers, using speech recognition to understand spoken commands and answer questions , and typically text to speech to play a reply. A voice command device is a device controlled with a voice user interface.
67-498: [REDACTED] Look up vui in Wiktionary, the free dictionary. VUI or Vui or variation , may refer to: Computing Voice user interface , a voice/speech platform that enables human interaction with computers Video usability information , extra information that can be inserted into a video stream to enhance its use Medicine and biology VUI – 202012/01 ,
134-479: A CNN business article reported that voice command was over a billion dollar industry and that companies like Google and Apple were trying to create speech recognition features. In the years since the article was published, the world has witnessed a variety of voice command devices. Additionally, Google has created a speech recognition engine called Pico TTS and Apple released Siri. Voice command devices are becoming more widely available, and innovative ways for using
201-675: A "variant under investigation" of SARS-CoV-2, the virus which causes COVID-19 Vattikuti Urology Institute , Henry Ford Hospital, Detroit, Michigan, USA People Vui Florence Saulo , American Samoan businesswoman and politician Vui Manu'a , Western Samoan chief and politician Chris Vui (born 1983) New Zealand rugby footballer Shambeckler Vui (born 1997) Australian rugby player See also [ edit ] [REDACTED] Search for "vui" on Misplaced Pages. All pages with titles beginning with Vui All pages with titles beginning with VUI All pages with titles containing VUI Topics referred to by
268-480: A VUI designed for a small group of power users (including field service workers), should focus more on productivity and less on help and guidance. Such applications should streamline the call flows, minimize prompts, eliminate unnecessary iterations and allow elaborate "mixed initiative dialogs ", which enable callers to enter several pieces of information in a single utterance and in any order or combination. In short, speech applications have to be carefully crafted for
335-468: A blender typically makes: the blender will spin slowly in response to a user's low-pitched growl, and increase in speed as the user makes higher-pitched vocal sounds. Another example is VoiceDraw, a research system that enables digital drawing for individuals with limited motor abilities. VoiceDraw allows users to "paint" strokes on a digital canvas by modulating vowel sounds, which are mapped to brush directions. Modulating other paralinguistic features (e.g.
402-470: A case where the "feed-back" action is positive in contrast to negative feed-back action, which they mentioned only in passing. Harold Stephen Black 's classic 1934 paper first details the use of negative feedback in electronic amplifiers. According to Black: Positive feed-back increases the gain of the amplifier, negative feed-back reduces it. According to Mindell (2002) confusion in the terms arose shortly after this: ... Friis and Jensen had made
469-498: A circular argument. This makes reasoning based upon cause and effect tricky, and it is necessary to analyze the system as a whole. As provided by Webster, feedback in business is the transmission of evaluative or corrective information about an action, event, or process to the original or controlling source. Self-regulating mechanisms have existed since antiquity, and the idea of feedback started to enter economic theory in Britain by
536-485: A classic in feedback control theory. This was a landmark paper on control theory and the mathematics of feedback. The verb phrase to feed back , in the sense of returning to an earlier position in a mechanical process, was in use in the US by the 1860s, and in 1909, Nobel laureate Karl Ferdinand Braun used the term "feed-back" as a noun to refer to (undesired) coupling between components of an electronic circuit . By
603-546: A contact, set an alarm, get directions, track your stocks, set a timer, and ask for examples of sample voice command queries. In addition, Siri works with Bluetooth and wired headphones. Apple introduced Personal Voice as an accessibility feature in iOS 17 , launched on September 18, 2023. This feature allows users to create a personalized, machine learning-generated (AI) version of their voice for use in text-to-speech applications. Designed particularly for individuals with speech impairments , Personal Voice helps preserve
670-434: A deliberate effect via some more tangible connection. [Practical experimenters] object to the mathematician's definition, pointing out that this would force them to say that feedback was present in the ordinary pendulum ... between its position and its momentum—a "feedback" that, from the practical point of view, is somewhat mystical. To this the mathematician retorts that if feedback is to be considered present only when there
737-414: A mechanism for people who want to limit their use of the mouse and keyboard, but still want to maintain or increase their overall productivity. With Windows Vista voice control, a user may dictate documents and emails in mainstream applications, start and switch between applications, control the operating system, format documents, save documents, edit files, efficiently correct errors, and fill out forms on
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#1732787225718804-461: A more advanced voice assistant called Siri . Voice Control can still be enabled through the Settings menu of newer devices. Siri is a user independent built-in speech recognition feature that allows a user to issue voice commands. With the assistance of Siri a user may issue commands like, send a text message, check the weather, set a reminder, find information, schedule meetings, send an email, find
871-515: A natural conversation. A VUI is the interface to any speech application. Only a short time ago, controlling a machine by simply talking to it was only possible in science fiction . Until recently, this area was considered to be artificial intelligence . However, advances in technologies like text-to-speech, speech-to-text, natural language processing , and cloud services contributed to the mass adoption of these types of interfaces. VUIs have become more commonplace, and people are taking advantage of
938-412: A novelty device that had the ability to control home appliance with voice. Now almost all the appliances are controllable with Alexa, including light bulbs and temperature. By allowing voice control, Alexa can connect to smart home technology allowing you to lock your house, control the temperature, and activate various devices. This form of A.I allows for someone to simply ask it a question, and in response
1005-419: A nutrient elicits changes in some of their metabolic functions. Feedback is also central to the operations of genes and gene regulatory networks . Repressor (see Lac repressor ) and activator proteins are used to create genetic operons , which were identified by François Jacob and Jacques Monod in 1961 as feedback loops . These feedback loops may be positive (as in the case of the coupling between
1072-499: A phone call, and the following actions are possible during a phone call: press a number, turn the speaker phone on, or call someone, which puts the current call on hold. Windows 10 introduces Cortana , a voice control system that replaces the formerly used voice control on Windows phones. Apple added Voice Control to its family of iOS devices as a new feature of iPhone OS 3 . The iPhone 4S , iPad 3 , iPad Mini 1G , iPad Air , iPad Pro 1G , iPod Touch 5G and later, all come with
1139-582: A process, whereas the positive feedback loop tends to accelerate it. The mirror neurons are part of a social feedback system, when an observed action is "mirrored" by the brain—like a self-performed action. Normal tissue integrity is preserved by feedback interactions between diverse cell types mediated by adhesion molecules and secreted molecules that act as mediators; failure of key feedback mechanisms in cancer disrupts tissue function. In an injured or infected tissue, inflammatory mediators elicit feedback responses in cells, which alter gene expression, and change
1206-524: A single discipline an example of feedback can be called either positive or negative, depending on how values are measured or referenced. This confusion may arise because feedback can be used to provide information or motivate , and often has both a qualitative and a quantitative component. As Connellan and Zemke (1993) put it: Quantitative feedback tells us how much and how many. Qualitative feedback tells us how good, bad or indifferent. While simple systems can sometimes be described as one or
1273-481: A sugar molecule and the proteins that import sugar into a bacterial cell), or negative (as is often the case in metabolic consumption). On a larger scale, feedback can have a stabilizing effect on animal populations even when profoundly affected by external changes, although time lags in feedback response can give rise to predator-prey cycles . In zymology , feedback serves as regulation of activity of an enzyme by its direct product(s) or downstream metabolite(s) in
1340-418: A system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself. The notion of cause-and-effect has to be handled carefully when applied to feedback systems: Simple causal reasoning about a feedback system is difficult because the first system influences the second and second system influences the first, leading to
1407-435: A user to perform voice commands such as: send text messages, listen to music, get directions, call businesses, call contacts, send email, view a map, go to websites, write a note, and search Google. The speech recognition software is available for all devices since Android 2.2 "Froyo" , but the settings must be set to English. Google allows for the user to change the language, and the user is prompted when he or she first uses
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#17327872257181474-440: A user's speech is not interpreted correctly. These errors tend to be especially prevalent when the speech content uses technical vocabulary (e.g. medical terminology) or unconventional spellings such as musical artist or song names. Effective system design to maximize conversational understanding remains an open area of research. Voice user interfaces that interpret and manage conversational state are challenging to design due to
1541-417: A voice interface. Windows Phone is Microsoft 's mobile device's operating system. On Windows Phone 7.5, the speech app is user independent and can be used to: call someone from your contact list, call any phone number, redial the last number, send a text message, call your voice mail, open an application, read appointments, query phone status, and search the web. In addition, speech can also be used during
1608-399: Is also found in certain behaviour. For example, "shame loops" occur in people who blush easily. When they realize that they are blushing, they become even more embarrassed, which leads to further blushing, and so on. The climate system is characterized by strong positive and negative feedback loops between processes that affect the state of the atmosphere, ocean, and land. A simple example is
1675-461: Is an actual wire or nerve to represent it, then the theory becomes chaotic and riddled with irrelevancies. Focusing on uses in management theory, Ramaprasad (1983) defines feedback generally as "...information about the gap between the actual level and the reference level of a system parameter" that is used to "alter the gap in some way". He emphasizes that the information by itself is not feedback unless translated into action. Positive feedback: If
1742-505: Is different from Wikidata All article disambiguation pages All disambiguation pages Voice user interface Voice user interfaces have been added to automobiles , home automation systems, computer operating systems , home appliances like washing machines and microwave ovens , and television remote controls . They are the primary way of interacting with virtual assistants on smartphones and smart speakers . Older automated attendants (which route phone calls to
1809-584: Is difficult for users to understand the scope of a system's capabilities. In order for the system to convey what is possible without a visual display, it would need to enumerate the available options, which can become tedious or infeasible. Low discoverability often results in users reporting confusion over what they are "allowed" to say, or a mismatch in expectations about the breadth of a system's understanding. While speech recognition technology has improved considerably in recent years, voice user interfaces still suffer from parsing or transcription errors in which
1876-453: Is the car; its input includes the combined torque from the engine and from the changing slope of the road (the disturbance). The car's speed (status) is measured by a speedometer . The error signal is the difference of the speed as measured by the speedometer from the target speed (set point). The controller interprets the speed to adjust the accelerator, commanding the fuel flow to the engine (the effector). The resulting change in engine torque,
1943-512: Is used to boost poor performance (narrow a gap). Referring to definition 1, some authors use alternative terms, replacing positive and negative with self-reinforcing and self-correcting , reinforcing and balancing , discrepancy-enhancing and discrepancy-reducing or regenerative and degenerative respectively. And for definition 2, some authors promote describing the action or effect as positive and negative reinforcement or punishment rather than feedback. Yet even within
2010-535: The Web . The speech recognition software learns automatically every time a user uses it, and speech recognition is available in English (U.S.), English (U.K.), German (Germany), French (France), Spanish (Spain), Japanese, Chinese (Traditional), and Chinese (Simplified). In addition, the software comes with an interactive tutorial, which can be used to train both the user and the speech recognition engine. In addition to all
2077-417: The biosphere , most parameters must stay under control within a narrow range around a certain optimal level under certain environmental conditions. The deviation of the optimal value of the controlled parameter can result from the changes in internal and external environments. A change of some of the environmental conditions may also require change of that range to change for the system to function. The value of
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2144-403: The centrifugal governors used in steam engines. He distinguished those that lead to a continued increase in a disturbance or the amplitude of a wave or oscillation, from those that lead to a decrease of the same quality. The terms positive and negative feedback are defined in different ways within different disciplines. The two definitions may be confusing, like when an incentive (reward)
2211-401: The steam engines of their production. Early steam engines employed a purely reciprocating motion , and were used for pumping water – an application that could tolerate variations in the working speed, but the use of steam engines for other applications called for more precise control of the speed. In 1868 , James Clerk Maxwell wrote a famous paper, "On governors", that is widely considered
2278-461: The 18th century, but it was not at that time recognized as a universal abstraction and so did not have a name. The first ever known artificial feedback device was a float valve , for maintaining water at a constant level, invented in 270 BC in Alexandria , Egypt . This device illustrated the principle of feedback: a low water level opens the valve, the rising water then provides feedback into
2345-445: The 1940s onwards was centred around the study of circular causal feedback mechanisms. Over the years there has been some dispute as to the best definition of feedback. According to cybernetician Ashby (1956), mathematicians and theorists interested in the principles of feedback mechanisms prefer the definition of "circularity of action", which keeps the theory simple and consistent. For those with more practical aims, feedback should be
2412-510: The Alexa searches for, finds, and recites the answer back to you. As car technology improves, more features will be added to cars and these features could potentially distract a driver. Voice commands for cars, according to CNET , should allow a driver to issue commands and not be distracted. CNET stated that Nuance was suggesting that in the future they would create a software that resembled Siri, but for cars. Most speech recognition software on
2479-607: The Apple website recommends a user buy a commercial product called Dictate . If a user is not satisfied with the built in speech recognition software or a user does not have a built speech recognition software for their OS, then a user may experiment with a commercial product such as Braina Pro or DragonNaturallySpeaking for Windows PCs, and Dictate, the name of the same software for Mac OS. Any mobile device running Android OS, Microsoft Windows Phone, iOS 9 or later, or Blackberry OS provides voice command capabilities. In addition to
2546-410: The built-in speech recognition software for each mobile phone's operating system, a user may download third party voice command applications from each operating system's application store: Apple App store , Google Play , Windows Phone Marketplace (initially Windows Marketplace for Mobile ), or BlackBerry App World . Google has developed an open source operating system called Android , which allows
2613-606: The correct extension) and interactive voice response systems (which conduct more complicated transactions over the phone) can respond to the pressing of keypad buttons via DTMF tones, but those with a full voice user interface allow callers to speak requests and responses without having to press any buttons. Newer voice command devices are speaker-independent, so they can respond to multiple voices, regardless of accent or dialectal influences. They are also capable of responding to several commands at once, separating vocal messages, and providing appropriate feedback , accurately imitating
2680-443: The current state and inputs are used to calculate a new state which is then fed back and clocked back into the device to update it. By using feedback properties, the behavior of a system can be altered to meet the needs of an application; systems can be made stable, responsive or held constant. It is shown that dynamical systems with a feedback experience an adaptation to the edge of chaos . Physical systems present feedback through
2747-450: The end of 1912, researchers using early electronic amplifiers ( audions ) had discovered that deliberately coupling part of the output signal back to the input circuit would boost the amplification (through regeneration ), but would also cause the audion to howl or sing. This action of feeding back of the signal from output to input gave rise to the use of the term "feedback" as a distinct word by 1920. The development of cybernetics from
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2814-1866: The fact that voice commands are available to the providers of voice-user interfaces in unencrypted form, and can thus be shared with third parties and be processed in an unauthorized or unexpected manner. Additionally to the linguistic content of recorded speech, a user's manner of expression and voice characteristics can implicitly contain information about his or her biometric identity, personality traits, body shape, physical and mental health condition, sex, gender, moods and emotions , socioeconomic status and geographical origin. Feedback Collective intelligence Collective action Self-organized criticality Herd mentality Phase transition Agent-based modelling Synchronization Ant colony optimization Particle swarm optimization Swarm behaviour Social network analysis Small-world networks Centrality Motifs Graph theory Scaling Robustness Systems biology Dynamic networks Evolutionary computation Genetic algorithms Genetic programming Artificial life Machine learning Evolutionary developmental biology Artificial intelligence Evolutionary robotics Reaction–diffusion systems Partial differential equations Dissipative structures Percolation Cellular automata Spatial ecology Self-replication Conversation theory Entropy Feedback Goal-oriented Homeostasis Information theory Operationalization Second-order cybernetics Self-reference System dynamics Systems science Systems thinking Sensemaking Variety Ordinary differential equations Phase space Attractors Population dynamics Chaos Multistability Bifurcation Rational choice theory Bounded rationality Feedback occurs when outputs of
2881-536: The features provided in Windows Vista, Windows 7 provides a wizard for setting up the microphone and a tutorial on how to use the feature. All Mac OS X computers come pre-installed with the speech recognition software. The software is user-independent, and it allows for a user to, "navigate menus and enter keyboard shortcuts; speak checkbox names, radio button names, list items, and button names; and open, close, control, and switch among applications." However,
2948-405: The feedback, combines with the torque exerted by the change of road grade to reduce the error in speed, minimising the changing slope. The terms "positive" and "negative" were first applied to feedback prior to WWII. The idea of positive feedback already existed in the 1920s when the regenerative circuit was made. Friis and Jensen (1924) described this circuit in a set of electronic amplifiers as
3015-442: The groups of molecules expressed and secreted, including molecules that induce diverse cells to cooperate and restore tissue structure and function. This type of feedback is important because it enables coordination of immune responses and recovery from infections and injuries. During cancer, key elements of this feedback fail. This disrupts tissue function and immunity. Mechanisms of feedback were first elucidated in bacteria, where
3082-552: The human voice are always being created. For example, Business Week suggests that the future remote controller is going to be the human voice. Currently Xbox Live allows such features and Jobs hinted at such a feature on the new Apple TV . Both Apple Mac and Windows PC provide built in speech recognition features for their latest operating systems . Two Microsoft operating systems, Windows 7 and Windows Vista , provide speech recognition capabilities. Microsoft integrated voice commands into their operating systems to provide
3149-409: The inherent difficulty of integrating complex natural language processing tasks like coreference resolution , named-entity recognition , information retrieval , and dialog management . Most voice assistants today are capable of executing single commands very well but limited in their ability to manage dialogue beyond a narrow task or a couple turns in a conversation. Privacy concerns are raised by
3216-472: The location of the nearest hotel. Currently, technology allows a driver to issue voice commands on both a portable GPS like a Garmin and a car manufacturer navigation system. List of Voice Command Systems Provided By Motor Manufacturers: While most voice user interfaces are designed to support interaction through spoken human language, there have also been recent explorations in designing interfaces take non-verbal human sounds as input. In these systems,
3283-625: The loudness of their voice) allows the user to control different features of the drawing, such as the thickness of the brush stroke. Other approaches include adopting non-verbal sounds to augment touch-based interfaces (e.g. on a mobile phone) to support new types of gestures that wouldn't be possible with finger input alone. Voice interfaces pose a substantial number of challenges for usability. In contrast to graphical user interfaces (GUIs), best practices for voice interface design are still emergent. With purely audio-based interaction, voice user interfaces tend to suffer from low discoverability : it
3350-459: The market in 2011 had only about 50 to 60 voice commands, but Ford Sync had 10,000. However, CNET suggested that even 10,000 voice commands was not sufficient given the complexity and the variety of tasks a user may want to do while driving. Voice command for cars is different from voice command for mobile phones and for computers because a driver may use the feature to look for nearby restaurants, look for gas, driving directions, road conditions, and
3417-426: The metabolic pathway (see Allosteric regulation ). The hypothalamic–pituitary–adrenal axis is largely controlled by positive and negative feedback, much of which is still unknown. In psychology , the body receives a stimulus from the environment or internally that causes the release of hormones . Release of hormones then may cause more of those hormones to be released, causing a positive feedback loop. This cycle
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#17327872257183484-460: The mutual interactions of its parts. Feedback is also relevant for the regulation of experimental conditions, noise reduction, and signal control. The thermodynamics of feedback-controlled systems has intrigued physicist since the Maxwell's demon , with recent advances on the consequences for entropy reduction and performance increase. In biological systems such as organisms , ecosystems , or
3551-461: The only option. A legal advice hotline, for example, would be very difficult to automate. On the flip side, speech is perfect for handling quick and routine transactions, like changing the status of a work order, completing a time or expense entry, or transferring funds between accounts. Early applications for VUI included voice-activated dialing of phones, either directly or through a (typically Bluetooth ) headset or vehicle audio system. In 2007,
3618-470: The other type, many systems with feedback loops cannot be shoehorned into either type, and this is especially true when multiple loops are present. When there are only two parts joined so that each affects the other, the properties of the feedback give important and useful information about the properties of the whole. But when the parts rise to even as few as four, if every one affects the other three, then twenty circuits can be traced through them; and knowing
3685-415: The output of one affecting the input of another, and vice versa. Some systems with feedback can have very complex behaviors such as chaotic behaviors in non-linear systems, while others have much more predictable behaviors, such as those that are used to make and design digital systems. Feedback is used extensively in digital systems. For example, binary counters and similar devices employ feedback where
3752-428: The parameter to maintain is recorded by a reception system and conveyed to a regulation module via an information channel. An example of this is insulin oscillations . Biological systems contain many types of regulatory circuits, both positive and negative. As in other contexts, positive and negative do not imply that the feedback causes good or bad effects. A negative feedback loop is one that tends to slow down
3819-502: The properties of all the twenty circuits does not give complete information about the system. In general, feedback systems can have many signals fed back and the feedback loop frequently contain mixtures of positive and negative feedback where positive and negative feedback can dominate at different frequencies or different points in the state space of a system. The term bipolar feedback has been coined to refer to biological systems where positive and negative feedback systems can interact,
3886-598: The same distinction Black used between "positive feed-back" and "negative feed-back", based not on the sign of the feedback itself but rather on its effect on the amplifier's gain. In contrast, Nyquist and Bode, when they built on Black's work, referred to negative feedback as that with the sign reversed. Black had trouble convincing others of the utility of his invention in part because confusion existed over basic matters of definition. Even before these terms were being used, James Clerk Maxwell had described their concept through several kinds of "component motions" associated with
3953-403: The same term [REDACTED] This disambiguation page lists articles associated with the title VUI . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=VUI&oldid=1018289857 " Category : Disambiguation pages Hidden categories: Short description
4020-428: The signal feedback from output is in phase with the input signal, the feedback is called positive feedback. Negative feedback: If the signal feedback is out of phase by 180° with respect to the input signal, the feedback is called negative feedback. As an example of negative feedback, the diagram might represent a cruise control system in a car that matches a target speed such as the speed limit. The controlled system
4087-399: The specific business process that is being automated. Not all business processes render themselves equally well for speech automation. In general, the more complex the inquiries and transactions are, the more challenging they will be to automate, and the more likely they will be to fail with the general public. In some scenarios, automation is simply not applicable, so live agent assistance is
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#17327872257184154-539: The speech recognition feature if he or she would like their voice data to be attached to their Google account. If a user decides to opt into this service, it allows Google to train the software to the user's voice. Google introduced the Google Assistant with Android 7.0 "Nougat" . It is much more advanced than the older version. Amazon.com has the Echo that uses Amazon's custom version of Android to provide
4221-413: The system, closing the valve when the required level is reached. This then reoccurs in a circular fashion as the water level fluctuates. Centrifugal governors were used to regulate the distance and pressure between millstones in windmills since the 17th century. In 1788, James Watt designed his first centrifugal governor following a suggestion from his business partner Matthew Boulton , for use in
4288-470: The tasks to be performed, as well as the target audience that will use the final system. The closer the VUI matches the user's mental model of the task, the easier it will be to use with little or no training, resulting in both higher efficiency and higher user satisfaction. A VUI designed for the general public should emphasize ease of use and provide a lot of help and guidance for first-time callers. In contrast,
4355-488: The unique sound of a user's voice. It enhances Siri and other accessibility tools by providing a more personalized and inclusive user experience . Personal Voice reflects Apple's ongoing commitment to accessibility and innovation . In 2014 Amazon introduced the Alexa smart home device . Its main purpose was just a smart speaker, that allowed the consumer to control the device with their voice. Eventually, it turned into
4422-429: The user controls the interface by emitting non-speech sounds such as humming, whistling, or blowing into a microphone. One such example of a non-verbal voice user interface is Blendie, an interactive art installation created by Kelly Dobson. The piece comprised a classic 1950s-era blender which was retrofitted to respond to microphone input. To control the blender, the user must mimic the whirring mechanical sounds that
4489-487: The value that these hands-free , eyes-free interfaces provide in many situations. VUIs need to respond to input reliably, or they will be rejected and often ridiculed by their users. Designing a good VUI requires interdisciplinary talents of computer science , linguistics and human factors psychology – all of which are skills that are expensive and hard to come by. Even with advanced development tools, constructing an effective VUI requires an in-depth understanding of both
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