Juang, Biing Hwang Lucent Technologies, Bell Laboratories, Murray Hill, New Jersey.
- Fundamental concept
- Categorization of tasks
- Understanding of speech
- Difficulties and remedies
- State of the art
- Speaker recognition
- Links to Primary Literature
- Additional Readings
Speech recognition, in a strict sense, is the process of electronically converting a speech waveform (as the acoustic realization of a linguistic expression) into words (as a best-decoded sequence of linguistic units). At times it can be generalized to the process of extracting a linguistic notion from a sequence of sounds, that is, an acoustic event, which may encompass linguistically relevant components, such as words or phrases, as well as irrelevant components, such as ambient noise, extraneous or partial words in an utterance, and so on. Applications of speech recognition include an automatic typewriter that responds to voice, voice-controlled access to information services (such as news and messages), and automated commercial transactions (for example, price inquiry or merchandise order by telephone), to name a few. Sometimes, the concept of speech recognition may include “speech understanding,” because the use of a speech recognizer often involves understanding the intended message expressed in the spoken words. Currently, such an understanding process can be performed only in an extremely limited sense, often for the purpose of initiating a particular service action among a few choices. For example, a caller's input utterance “I'd like to borrow money to buy a car” to an automatic call-routing system of a bank would connect the caller to the bank's loan department.
The content above is only an excerpt.
for your institution. Subscribe
To learn more about subscribing to AccessScience, or to request a no-risk trial of this award-winning scientific reference for your institution, fill in your information and a member of our Sales Team will contact you as soon as possible.
to your librarian. Recommend
Let your librarian know about the award-winning gateway to the most trustworthy and accurate scientific information.
AccessScience provides the most accurate and trustworthy scientific information available.
Recognized as an award-winning gateway to scientific knowledge, AccessScience is an amazing online resource that contains high-quality reference material written specifically for students. Its dedicated editorial team is led by Sagan Award winner John Rennie. Contributors include more than 9000 highly qualified scientists and 42 Nobel Prize winners.
MORE THAN 8500 articles and Research Reviews covering all major scientific disciplines and encompassing the McGraw-Hill Encyclopedia of Science & Technology and McGraw-Hill Yearbook of Science & Technology
115,000-PLUS definitions from the McGraw-Hill Dictionary of Scientific and Technical Terms
3000 biographies of notable scientific figures
MORE THAN 17,000 downloadable images and animations illustrating key topics
ENGAGING VIDEOS highlighting the life and work of award-winning scientists
SUGGESTIONS FOR FURTHER STUDY and additional readings to guide students to deeper understanding and research
LINKS TO CITABLE LITERATURE help students expand their knowledge using primary sources of information