翻訳と辞書 Words near each other ・ Network Security Toolkit ・ Network segment ・ Network segmentation ・ Network service ・ Network Service Access Point Identifier ・ Network service provider ・ Network Service Providers in Nepal ・ Network simplex algorithm ・ Network simulation ・ Network society ・ Network socket ・ Network Solutions ・ Network SouthCentral ・ Network SouthEast ・ Network Sovereignty ・ Network speaker ・ Network Startup Resource Center ・ Network storage ・ Network switch ・ Network switching subsystem ・ Network synthesis filters ・ Network Systems Corporation ・ Network tap ・ Network Technology ・ Network telescope ・ Network Television Marketing ・ Network Ten ・ Network Tera Love Ka ・ Network termination ・ Network termination 1 Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Network speaker ： ウィキペディア英語版 Network speaker A conventional loudspeaker is an electromechanical transducer that converts an electrical signal into sound. If locally powered, this can also be termed an active loudspeaker, meaning it contains an audio amplifier that can drive power to the speaker drivers. A network speaker implies the ability to drive audio to such a device from a network connection, usually over an Ethernet network or the Internet. In many cases this type of speaker also contains digital signal processing (DSP) to provide the audio crossover and other signal processing to provide frequency division and other tonal functions that exist in conventional speakers. Network speakers are also known as IP speakers.〔(【引用サイトリンク】title=Speakers )〕 In many cases the IP speaker is created from an IP audio endpoint — a device as described above with the requisite network connection and ability to process audio packets, but without the actual physical speaker portion — that provides amplified audio to a conventional loudspeaker or unamplified audio (i.e. line-out) to an amplified speaker or system. == History == Network audio was first introduced in 1983 by John Detreville and W. David Sincoskie of Bell Labs in an IEEE paper "A Distributed Experimental Communications System". Subsequently in 1988, Polle T. Zellweger, Douglas B. Terry and Daniel C. Swinehart of Xerox PARC introduced audio over Ethernet in Proceedings of the 2nd IEEE Conference, entitled "An Overview of the Etherphone System and its Applications". The very closely related technology (nearly synonymous), Voice over IP (VoIP), which generally consists at a minimum of a microphone on one end, a speaker on the other end, with a network connecting them; began widespread use in 1998 with PCs, followed shortly after by dedicated hardware (phones with built-in VoIP capabilities). Subsequently, the first Squeezebox, using networked audio, was released in 2001 and Philips released its IP audio device also in 2001, the FW-i1000. Countless IP audio devices have since proliferated into most major audio markets. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Network speaker」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.