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
Shrouded tidal turbine open flow still applies, but is applied to the much larger shroud cross-section rather than the small turbine cross-section. Considerable commercial interest has been shown in shrouded tidal stream turbines due to the increased power output. They can operate in shallower slower moving water with a smaller turbine at sites where large turbines are restricted. Arrayed across a seaway or in fast flowing rivers, shrouded turbines are cabled to shore for connection to a grid or a community. Alternatively the property of the shroud that produces an accelerated flow velocity across the turbine allows tidal flows formerly too slow for