This adjusts the brightness of the darkest parts of the image. Set too low, and shadows will be too dark to see. On some TVs, ...

Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, finance and streaming services. He is passionate about language and technology, and has been an avid writer/reader of ...

Love the look of Samsung's Frame TV? You can easily recreate that art gallery effect on your Roku TV. Here's how.