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A multiplex or mux, also known as a bouquet, is a grouping of program services as interleaved data packets for broadcast over a network or modulated multiplexed medium, particularly terrestrial broadcasting. The program services are broadcast as part of one transmission and split out at the receiving end.
For example, an 8-to-1 multiplexer can be made with two 4-to-1 and one 2-to-1 multiplexers. The two 4-to-1 multiplexer outputs are fed into the 2-to-1 with the selector pins on the 4-to-1's put in parallel giving a total number of selector inputs to 3, which is equivalent to an 8-to-1.
As of June 2020, five national multiplexes are available, broadcasting several channels in both SD and HD via DVB-T2, all using the MPEG-4 codec. MUX 1 is Free-to-air and operated by I/S DIGI-TV, a joint-venture between DR and TV 2. MUX 2, 3, 4, and 5 are operated by Boxer, and are for pay television only.
A device that performs the multiplexing is called a multiplexer (MUX), and a device that performs the reverse process is called a demultiplexer (DEMUX or DMX). Inverse multiplexing (IMUX) has the opposite aim as multiplexing, namely to break one data stream into several streams, transfer them simultaneously over several communication channels ...
Around 46 privately owned television channels were permitted by the Government of Bangladesh as of 2023, [1] of which thirty-six are currently on air. Six television channels, namely STV-US, CSB News, Channel 1, Diganta Television, Islamic TV, and Channel 16, have been taken off air. Bangladesh has four state-owned television stations, of which ...
FEC is concatenated LDPC and BCH codes (as in DVB-S2 and DVB-C2), with rates 1/2, 3/5, 2/3, 3/4, 4/5, and 5/6. There are fewer pilots, in 8 different pilot-patterns, and equalization can be based also on the RAI CD3 system. [19] In the 32k mode, a larger part of the standard 8 MHz channel can be used, adding about 2% extra capacity. DVB-T2 is ...
Siemens DSLAM SURPASS hiX 5625 Outdoor Huawei DSLAM fed by GPON lines. A digital subscriber line access multiplexer (DSLAM, often pronounced DEE-slam) is a network device, often located in telephone exchanges, that connects multiple customer digital subscriber line (DSL) interfaces to a high-speed digital communications channel using multiplexing techniques. [1]
This page should show that the inputs are "input 1" at the top, and increase sequentially downward (in the pictoral representation), and that if "sel" = 1, the mux chooses "input 1", if "sel" = 4 10 = 100 2 then the mux chooses "input 4" etc. Fresheneesz 10:38, 15 April 2006 (UTC)