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These receivers require a set-top-box (STB) to receive and display over-the-air ATSC digital TV signals. Analog television receivers display the NTSC-type television signal using the 4:3 aspect ratio and are capable of up to 480 pixels by 640 lines interlace resolution. 2.4 Analog Television Receiving Apparatus: a television receiver that incorporates an NTSC tuner for over-the-air reception of analog television broadcasting signals. The Digital SDTV format uses aspect ratios ranging from 4:3 through 16:9, the choice depending on the content and the source. Conventional format (NTSC) uses an aspect ratio of 4 units wide by 3 units heigh (4:3). HDTV uses an aspect ratio of 16 units wide by 9 units heigh (16:9).
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It may apply to the display apparatus configuration or to the shape of the content being displayed. 2.3 Aspect Ratio: the ratio of image width to image height. It has defined the DTV broadcast standards for digital television in Canada and the United States. 2.2 Advanced Television Systems Committee (ATSC), the committee that was formed to establish the technical standards for advanced televison systems. 2.1 National Television Systems Committee (NTSC), the committee that created the standards for the production and distribution (over-the-air) of broadcasting analog colour television signals in Canada and the United States. Definitions The following definitions become effective with the publication of this new issue of. Such apparatus must conform to the requirements and technical standards established in this document. General This document applies to all radio apparatus capable of receiving television broadcasting, such as television sets, set-top-boxes for digital-to-analog conversion and other interface devices such as VCRs, DVD recorders equipped with ATSC and/or NTSC tuners, intended and used for the purpose of home entertainment. General Definitions Testing and Labelling Technical Standards and Requirements Technical Requirements for the Standard Television Receiving Apparatus Technical Requirements for the Standard Cable Compatible Television Receiving Apparatus Technical Requirements for the Supplementary Television Receiving Apparatus Cable Input Conducted Emissions Applicable to Cable Compatible Television Receiving Apparatus Radiated Emission Limits Applying to all Television Receiving Apparatus Additional Technical Requirements Applying to Analog NTSC Reception in Standard Cable Compatible Television Receiving Apparatus.7 Annex A - Technical Requirements for the Digital-to-Analog Converter.9 iiĤ 1. Equipment manufactured or imported solely for re-export, prototyping, demonstration, exhibition or testing purposes does not have to comply with the technical standards and requirements in this document. 1 Issue 2 June 2008 Spectrum Management and Telecommunications Broadcasting Equipment Technical Standard Technical Standards and Requirements for Radio Apparatus Capable of Receiving Television Broadcasting Aussi disponible en français - NTMR-7Ģ Purpose This document establishes the technical requirements and standards for radio apparatus capable of receiving television broadcasting, such as TV receivers, VCRs and DVD recorders equipped with ATSC and/or NTSC type tuners, intended and used for the purpose of home entertainment.