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Retrieved from "https://en.wikipedia.org/w/index.php?title=Audio_Return_Channel&oldid=717601081"
Audio Return Channel (ARC) ARC is an audio link meant to replace other cables between the TV and the A/V receiver or speaker system. [41] This direction is used when the TV is the one that generates or receives the video stream instead of the other equipment. [41]
Enhanced Audio Return Channel (eARC), part of the HDMI specification Topics referred to by the same term This disambiguation page lists articles associated with the title EARC .
Interactive TV applications can be delivered over the broadcast channel, together with audio and video streams. These applications can be for example information services, games, interactive voting, e-mail, SMS or shopping. MHP applications can use an additional return channel that has to support IP.
On May 4, 2016, the Audio Codec component of ATSC 3.0 was elevated to candidate standard, with two finalists remaining: Dolby AC-4 [2] and MPEG-H Audio Alliance format from Fraunhofer IIS, Qualcomm and Technicolor SA. [3] A third entry from DTS named DTS:X (a successor to DTS-HD) was withdrawn before the standard was upgraded to candidate ...
Even when the return and forward channels use the same medium, their differences often dictate the use of very different data modulation and coding techniques. For example, in a star radio network, only the central hub transmits on the forward link, so channel access method is a consideration only on the return link.
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Multichannel Television Sound (MTS) is the method of encoding three additional audio channels into analog 4.5 MHz audio carriers on System M and System N.The system was developed by an industry group known as the Broadcast Television Systems Committee (BTSC), a parallel to color television's National Television System Committee, which developed the NTSC television standard.