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Speech synthesis is the artificial production of human speech. A computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware products. A text-to-speech (TTS) system converts normal language text into speech; other systems render symbolic linguistic representations like phonetic transcriptions into speech.Long be.. Read More..

An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio. The electromagnetic telegraph is a device for human-to-human transmission of coded messages.The electrical telegraph, or more commonly just telegraph, superseded optical semaphore telegraph systems, such as Claude Chappe's cables de.. Read More..

Modern society relies on communication tools such as the telephone to function,and today it is very unusual to encounter a telephone that does not have some form of answering phone or voicemail.After its invention in 1876,the telephone became a world changing tool,allowing anyone in the world to have a conversation with anyone else,immediately,it was only a matter of .. Read More..

American Sign Language (ASL) is the predominant sign language of deaf communities in the United States and most of anglophone Canada. Besides North America, dialects of ASL and ASL-based creoles are used in many countries around the world, including much of West Africa and parts of Southeast Asia. ASL is also widely learned as a second language, serving as a lingua fr.. Read More..

Blissymbolics is a communication system originally developed by Charles K. Bliss (1897-1985) for the purpose of international communication. It was first applied to the communication of children with physical disabilities by an interdisciplinary team led by Shirley McNaughton at the Ontario Crippled Children's Centre (now the Bloorview MacMillan Centre) in 1971.Th.. Read More..

In radio, multiple-input and multiple-output, or MIMO (pronounced as "my-moh" or "me-moh"), is a method for multiplying the capacity of a radio link using multiple transmit and receive antennas to exploit multipath propagation.Early researchMIMO is often traced back to 1970s research papers concerning multi-channel digital transmission systems and interference (crosst.. Read More..

Esperanto is a constructed international auxiliary language. It is the most widely spoken constructed language in the world.Esperanto,  artificial language constructed in 1887 by L.L. Zamenhof, a Polish oculist, and intended for use as an international second language. Zamenhof’s Fundamento de Esperanto, published in 1905, lays down the basic principles of the lang.. Read More..

A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises. An exchange consists of electronic components and in older systems also human operators that interconnect (switch) telephone subscriber lines or virtual circuits of digital systems to establish telephone calls between subscribers.In the public tel.. Read More..

Optical character recognition (OCR) is the mechanical or electronic conversion of images of typewritten or printed text into machine-encoded text. It is widely used as a form of data entry from printed paper data records, whether passport documents, invoices, bank statements, computerized receipts, business cards, mail, printouts of static-data, or any suitable docume.. Read More..

WhatsApp is an instant messaging app for smartphones that operates under a subscription business model. The proprietary, cross-platform app uses the Internet to send text messages, images, video, user location and audio media messages.In January 2015, WhatsApp was the most globally popular messaging app with more than 600 million active users.In April 2015, WhatsApp r.. Read More..

Internet Relay Chat (IRC) is an application layer protocol that facilitates the transfer of messages in the form of text. The chat process works on a client/server networking model. IRC clients are computer programs that a user can install on their system. These clients communicate with chat servers to transfer messages to other clients.IRC is mainly designed for grou.. Read More..

eVoice is a telecommunications service owned by j2 Global, Inc. (NASDAQ:JCOM) that manages incoming and outgoing calls using a virtual phone number. The service was founded by Wendell Brown and Craig Taro Gold in 1999 and re-launched in March 2010 with new features, targeting entrepreneurs and small businesses.ApplicationseVoice provides toll-free and local phone numb.. Read More..

Skype is a telecommunications application software product that specializes in providing video chat and voice calls from computers, tablets, and mobile devices via the Internet to other devices or telephones/smartphones.Users can also send instant messages, exchange files and images, send video messages, and create conference calls. Skype is available to download onto.. Read More..

Kazaa Media Desktop (once stylized as "KaZaA", but now usually written "Kazaa") started as a peer-to-peer file sharing application using the FastTrack protocol licensed by Joltid Ltd. and operated as Kazaa by Sharman Networks. Kazaa was subsequently under license as a legal music subscription service by Atrinsic, Inc. As of August 2012, the Kazaa website is no longer .. Read More..

Caller ID (caller identification, CID) is a telephone service, available in analog and digital phone systems and most voice over Internet Protocol (VoIP) applications, that transmits a caller's number to the called party's telephone equipment during the ringing signal, or when the call is being set up but before the call is answered. Where available, caller ID.. Read More..

A smart card, chip card, or integrated circuit card (ICC) is any pocket-sized card with embedded integrated circuits. Smart cards are made of plastic, generally polyvinyl chloride, but sometimes polyethylene terephthalate based polyesters, acrylonitrile butadiene styrene or polycarbonate. Since April 2009, a Japanese company has manufactured reusable financial smart c.. Read More..

Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment. The International Morse Code encodes the ISO basic Latin alphabet, some extra Latin letters, the Arabic numerals and a small set of punctuation and procedural signals as stan.. Read More..