High-Definition Channels, often abbreviated as HD channels, provide television programming with enhanced picture quality and sound compared to standard-definition channels. They deliver a clearer, more detailed image, making the viewing experience more enjoyable, especially on larger screens. HD channels typically broadcast in a resolution of 720p, 1080i, or 1080p, which refers to the number of horizontal lines of pixels displayed. To access HD channels, viewers usually need a compatible HD television and a subscription to a cable or satellite service that offers these channels. Many streaming services also provide HD content, allowing users to watch their favorite shows and movies in high definition over the internet.