echo canceller
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echo canceller — A device that eliminates or reduces echo … IT glossary of terms, acronyms and abbreviations
Echo cancellation — The term echo cancellation is used in telephony to describe the process of removing echo from a voice communication in order to improve voice quality on a telephone call. In addition to improving subjective quality, this process increases the… … Wikipedia
Эхоподавление — термин используется в телефонии, чтобы описать процесс удаления эха из передаваемых звуков для повышения качества передачи голоса по телефону. В дополнение к улучшению субъективного качества, эхоподавление увеличивает пропускную способность… … Википедия
Signal reflection — occurs when a signal is transmitted along a transmission medium, such as a copper cable or an optical fiber, some of the signal power may be reflected back to its origin rather than being carried all the way along the cable to the far end. This… … Wikipedia
Tellabs — Infobox Company company name = Tellabs company company type = Public (nasdaq|TLAB) genre = foundation = 1975 founder = location city = Naperville, Illinois location country = United States location = origins = key people = CEO: Rob Pullen… … Wikipedia
B channel — (bearer) is a telecommunications term which refers to the ISDN channel in which the primary data or voice communication is carried. It has a bit rate of 64 kbit/s in full duplex.The term is applied primarily in relation to the ISDN access… … Wikipedia
Digium — Type Private Industry Telecommunications Founded 1999 Founder(s) … Wikipedia
Answer tone — is a feature of wireline modems.The answer tone is the first signal sent by the answering modem after the billing delay. In its most basic form, it is a single continuous tone with a frequency of 2100 Hz (or 2225 Hz for Bell modes). It is the… … Wikipedia
Bearer Capability — is one of the Information Elements (fields) of the Q.931 SETUP message. It is used by the calling party to specify the kind of B channel that is being requested.For example, if a Bearer Capability of Speech is specified, then the network is free… … Wikipedia
G.165 — is an ITU T standard for echo cancellers. It is primarily used in telephony. The standard was released for usage in 1993.For digital networks, G.168 is usually used … Wikipedia
International gateway exchange — In telephony, an international gateway exchange is a telephone switch that forms the gateway between a national telephone network and one or more other international gateway exchanges, thus providing cross border connectivity.Common requirements… … Wikipedia
