|
BR Alpha
ARD alpha is a German free-to-air television channel run by regional public-service broadcaster Bayerischer Rundfunk. Its programming consists of shows made by Bayerischer Rundfunk, as well as from ARD (broadcaster), ARD and Austrian broadcaster ORF (broadcaster), ORF. The channel was originally called ''BR-alpha'', but was rebranded as ''ARD-alpha'' on 29 June 2014. Programmes ARD-alpha broadcasts educational programmes including; science, religion, music, philosophy, literature, language learning, art and culture. History BR-alpha (1998-2014) BR-alpha, as the station was originally called, started broadcasting on January 7, 1998. The station's programmes were originally broadcast in analog using the Astra satellite and were also distributed by cable networks. The schedule focused mainly on education and information. The channel began digital broadcasts via Astra in the summer of 1998. On 28 November 2000, the heads of the regional public broadcasters agreed to start coop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
720p
720p (720 lines progressive) is a progressive HD signal format with 720 horizontal lines/1280 columns and an aspect ratio (AR) of 16:9, normally known as widescreen HD (1.78:1). All major HD broadcasting standards (such as SMPTE 292M) include a 720p format, which has a resolution of 1280×720. The number ''720'' stands for the 720 horizontal scan lines of image display resolution (also known as 720 pixels of vertical resolution). The ''p'' stands for progressive scan, i.e. non-interlaced. When broadcast at 60 frames per second, 720p features the highest temporal resolution possible under the ATSC and DVB standards. The term assumes a widescreen aspect ratio of 16:9, thus implying a resolution of 1280×720 px (0.9 megapixels). 720i (720 lines interlaced) is an erroneous term found in numerous sources and publications. Typically, it is a typographical error in which the author is referring to the 720p HDTV format. However, in some cases it is incorrectly presented ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
