Tidal (service) Tidal (service) Tidal (stylized as TIDAL) is a subscription-based music, podcast and video streaming service that combines lossless audio and high-definition music videos with exclusive content and special features on music. The service is maintained by the Norwegian company Aspiro AB. The service has over 60 million tracks and 240,000 music videos. Tidal claims to pay the highest percentage of royalties to music artists and songwriters within the music streaming market, while offering two levels of digital music streaming service: Tidal Premium (lossy quality) and Tidal HiFi (lossless CD quality – FLAC-based 16-Bit/44.1 kHz – and MQA). Tidal was launched
Tidal stream generator capable of generating electricity on both the ebb and flood tides because the rotor blades can pitch through 180˚. OpenHydro, an Irish company exploiting the Open-Centre Turbine developed in the U.S., has a prototype being tested at the European Marine Energy Centre (EMEC), in Orkney, Scotland. A prototype semi-submerged floating tethered tidal turbine called Evopod has been tested since June 2008 in Strangford Lough, Northern Ireland at 1/10 scale. The UK company developing it is called Ocean Flow Energy Ltd. The advanced hull form maintains optimum heading into the tidal stream and is designed to operate in the peak flow