HD receivers are devices that decode high-definition (HD) television signals, allowing viewers to enjoy clearer and more detailed images compared to standard-definition broadcasts. They connect to various sources, such as satellite or cable services, and can also receive over-the-air signals. Many HD receivers support multiple formats, including 720p, 1080i, and 1080p, ensuring compatibility with a wide range of televisions. In addition to video, HD receivers often provide enhanced audio quality and may include features like digital video recording (DVR) capabilities. Some models also offer access to streaming services, enabling users to watch content from platforms like Netflix or Hulu directly on their TVs.