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  3. Now We’re Talking: How Voice Technology Is Transforming Computing A) Like casting a magic spell, it lets people control the

Now We’re Talking: How Voice Technology Is Transforming Computing A) Like casting a magic spell, it lets people control the

admin2022-09-27  17
问题                     Now We’re Talking: How Voice Technology Is Transforming Computing
    A) Like casting a magic spell, it lets people control the world through words alone. Any sufficiently advanced technology, noted Arthur C. Clarke, a British science-fiction writer, is indistinguishable from magic. The fast-emerging technology of voice computing proves his point. Using it is just like casting a spell: say a few words into the air, and a nearby device can grant your wish.
    B) The Amazon Echo, a voice-driven cylindrical(圆柱体的) computer that sits on a table top and answers to the name Alexa, can all up music tracks and radio stations, tell jokes, answer trivia questions and control smart appliances; even before Christmas it was already resident in about 4％ of American households. Voice assistants are proliferating in smartphones, too: Apple’s Siri handles over 2bn commands a week, and 20％ of Google searches on Android-powered handsets in America are input by voice. Dictating emails and text messages now works reliably enough to be useful. Why type when you can talk?
    C) This is a huge shift. Simple though it may seem, voice has the power to transform computing, by providing a natural means of interaction. Windows, icons and menus, and then touchscreens, were welcomed as more intuitive ways to deal with computers than entering complex keyboard commands. But being able to talk to computers abolishes the need for the abstraction of a “user interface” at all. Just as mobile phones were more than existing phones without wires, and cars were more than carriages without horses, so computers without screens and keyboards have the potential to be more useful, powerful and ubiquitous than people can imagine today.
    D) Voice will not wholly replace other forms of input and output. Sometimes it will remain more convenient to converse with a machine by typing rather than talking(Amazon is said to be working on an Echo device with a built-in screen). But voice is destined to account for a growing share of people’s interactions with the technology around them, from washing machines that tell you how much of the cycle they have left to virtual assistants in corporate call-centers. However, to reach its full potential, the technology requires further breakthroughs—and a resolution of the tricky questions it raises around the trade-off between convenience and privacy.
    E) Alexa, what is deep learning? Computer-dictation systems have been around for years. But they were unreliable and required lengthy training to learn a specific user’s voice. Computers’ new ability to recognize almost anyone’s speech dependably without training is the latest latest manifestation of the power of “deep learning”, an artificial-intelligence technique in which a software system is trained using millions of examples, usually culled(挑选) from the internet. Thanks to deep learning, machines now nearly equal humans in transcription accuracy, computerized translation systems are improving rapidly and text-to-speech systems are becoming less robotic and more natural-sounding. Computers are, in short, getting much better at handling natural language in all its forms.
    F) Although deep learning means that machines can recognize speech more reliably and talk in a less stilted(不自然的) manner, they still don’t understand the meaning of language. That is the most difficult aspect of the problem and, if voice-driven computing is truly to flourish, one that must be overcome. Computers must be able to understand context in order to maintain a coherent conversation about something, rather than just responding to simple, one-off voice commands, as they mostly do today(“Hey, Siri, set a timer for ten minutes”).Researchers in universities and at companies large and small are working on this very problem, building “bots” that can hold more elaborate conversations about more complex tasks, from retrieving information to advising on mortgages to making travel arrangements.(Amazon is offering a $1m prize for a bot that can converse “coherently and engagingly” for 20 minutes.)
    G) When spells replace spelling. Consumers and regulators also have a role to play in determining how voice computing develops. Even in its current, relatively primitive form, the technology poses a dilemma: voice-driven systems are most useful when they are personalized, and are granted wide access to sources of data such as calendars, emails and other sensitive information. That raises privacy and security concerns.
    H) To further complicate matters, many voice-driven devices are always listening, waiting to be activated. Some people are already concerned about the implications of internet-connected microphones listening in every room and from every smartphone. Not all audio is sent to the cloud—devices wait for a trigger phrase(“Alexa”, “OK, Google”, “Hey, Cortana”, or “Hey, Siri”) before they start relaying the user’s voice to the servers that actually handle the requests—but when it comes to storing audio, it is unclear who keeps what and when.
    I) Police investigating a murder in Arkansas, which may have been overheard by an Amazon Echo, have asked the company for access to any audio that might have been captured. Amazon has refused to co-operate, arguing(with the backing of privacy advocates) that the legal status of such requests is unclear. The situation is analogous(相似) to Apple’s refusal in 2016 to help FBI investigators unlock a terrorist’s iPhone; both cases highlight the need for rules that specify when and what intrusions into personal privacy are justified in the interests of security.
    J) Consumers will adopt voice computing even if such issues remain unresolved. In many situations voice is far more convenient and natural than any other means of communication. Uniquely, it can also be used while doing something else(driving, working out or walking down the street). It can extend the power of computing to people unable, for one reason or another, to use screens and keyboards. And it could have a dramatic impact not just on computing, but on the use of language itself. Computerized simultaneous translation could render the need to speak a foreign language irrelevant for many people; and in a world where machines can talk, minor languages may be more likely to survive. The arrival of the touchscreen was the last big shift in the way humans interact with computers. The leap to speech matters more.
Deep learning has real successes, but is not enough to understand the meaning of language.
选项
答案F
解析 由题干中的Deep learning和the meaning of language定位到F段。F提到，尽管深度学习意味着机器能更加准确的识别人声，发音也不再生硬，但是机器依然无法理解语言的含义。题干中的real successes是对原文中recognize speech more reliably and talk in a less stilted(不自然的) manner的总体概括，故选F。
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