DTT greener than OTT, but TV a low consumer of energy overall The terrestrial distribution of television signals is currently more efficient and less energy-consuming than IP-delivered content, a report for the regulator Ofcom has found. Although it does not have statutory duties to consider environmental sustainability issues, Ofcom’s report commissioned from Carnstone recognises the importance of understanding factors which affect the stakeholders. For both OTT and DTT services, most of the energy consumption is within the home rather than in the distribution system – TV sets, viewing devices, and in-home networks account for 90% of the energy used. This includes devices within the home such as Wi-Fi networks and set-top boxes that are invariably left switched on, even of [...]
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