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Tieline Technology has offices in Indianapolis in the USA (Tieline America LLC) and in Perth, Western Australia (Tieline Pty Ltd). The company has a wide and established distribution network throughout Europe, the Americas and Australasia. Tieline develops a range of broadcast audio codecs that are sold to television and radio networks around the globe. All Tieline codecs are IP codecs, ISDN codecs, POTS codecs, GSM codecs, X.21 codecs and satellite-capable (IP and ISDN) codecs. Broadcasters use these codecs for remote broadcasts (outside broadcasting), for audio distribution between studios and for studio/transmitter link (STL) applications. Tieline codecs are Session Initiation Protocol (SIP) compatible and Tieline and ten other codec manufacturers have successfully tested IP Interoperability using SIP to connect according to EBU N/ACIP tech 3326 specifications relating to sending audio over IP. ==History== The company was founded in 1981 by John Gouteff and Rod Henderson. In 1981 Television Communications Pty Ltd formed to import and distribute broadcast audio and video products into the Western Australian market. During the next 14 years, TVC achieved major installations into most Television stations, private video organizations and government departments. TVC also developed and manufactured a range of video switching and distribution products. In 1995 TVC became Audio Video Communications (AVC). The growing range of video products expanded heavily into audio products including radio Broadcast Mixing consoles, signal measurement, conversion, and amplification products, which it sold throughout Australasia. In 1998 AVC identified a growing market for digital audio codecs required to deliver live, studio quality audio over narrow band networks such as analogue telephone and ISDN links. AVC developed a family of world class digital POTS codecs and ISDN codecs. These were branded under the name Tieline and between 1998 and 2001 AVC developed a global distribution network spanning the Americas, Europe, UK, Africa, Asia, Middle East and Australasia. The first audio codec produced was a POTS codec called the Patriot, which was the first in the world able to send 15 kHz CD quality audio over a regular phone line. The company won numerous awards for its codec range and became better known to its customers for the brand Tieline than its name AVC. In 2002, having successfully secured www.tieline.com and relevant trademarks, AVC became Tieline Technology. The company now focuses on 〔Kovacs, Bob, ("AoIP Grows Up and Sprouts Legs" ), "Radio World Magazine", 12th Feb, 2009.〕 IP audio codec solutions that include broadcasting over wireless 3G and 4G broadband networks and can multicast and multiple unicast audio streams across all types of IP audio networks.〔Eldorado Recording Services, (), 19 April 2010.〕 In 2010 Tieline became the first company to create an IP audio codec application called Report-IT to run on the Apple Inc. iPhone. The application is used for live broadcasting and recording interviews and sending them to a remote studio via file transfer. In 2012 the application became so popular with broadcasters, with over 10,000 downloads, that the company released an Android version of the application for smartphone users. In December 2012 the company announced the integration of the Opus codec into Report-IT and Genie and Merlin IP audio codecs for interoperability. 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「Tieline」の詳細全文を読む スポンサード リンク
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