Audio-receivers and video-receivers, commonly known as AV receivers, are electronic devices that serve as the central hub for home theater systems. They are designed to receive and decode audio and video signals from various sources, such as Blu-ray players, cable boxes, game consoles, and streaming devices, and then amplify and process the signals before sending them to the speakers and display devices. AV receivers typically feature multiple audio and video inputs, including HDMI, optical, and coaxial, allowing users to connect multiple devices simultaneously. They also come equipped with built-in amplifiers, which power the speakers and provide the necessary volume and clarity for an immersive audio experience. Additionally, AV receivers often feature advanced audio processing technologies, such as Dolby Atmos and DTS:X, which create a three-dimensional sound field that envelops the listener. In terms of video processing, AV receivers are capable of upscaling lower-resolution content to higher resolutions, such as 4K, and can also pass through HDR (high dynamic range) signals for improved color and contrast. They may also feature video calibration tools, such as color management and gamma adjustment, which allow users to fine-tune the picture quality to their liking. Overall, audio-receivers and video-receivers are essential components of any home theater system, providing users with a centralized and powerful platform for their audio and video needs.
AV receivers, home theater systems, audio processing, Dolby Atmos, DTS:X, video processing, upscaling, HDR, color management, gamma adjustment
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