DVR stands for "Digital Video Recorder", which is a general recording electronic device, while a Set Top Box is a television appliance, that enables the TV to explore and display the subscribed...

Sonos is an electronic company of audio equipment, which allows the online streaming of music through their wireless HiFi music system. Apple TV is a digital media receiver, which streams any video content...

HD basically entails a resolution that is higher than the standard. HD generally refers to images with 720 horizontal lines or more. 3D, on the other hand, refers to Three-Dimensional (3-D). It is a format of...

HD generally refers to images with 720 horizontal lines or more. The 720p resolution is commercially known as HD Ready. Many manufactures label their products that display at least 720p video images as HD...

HD generally refers to images with 720 horizontal lines or more. The 720p resolution is commercially known as HD Ready. Whereas, products that are capable of displaying 1080p videos are labeled as Full HD.