Simple Explanation

A device that combines several audio and video functions, such as switching between devices, amplifying signals, and sometimes tuning radio stations or streaming audio.

Concise Technical Definition

A receiver is an audio (and/or video) component that integrates a preamplifier, amplifier(s), and tuner into one unit. It is typically used in home theater systems, where it also includes multichannel surround decoders (such as Dolby Digital and DTS) for processing various audio formats. Receivers can serve as a switcher for different devices, amplify signals to speaker levels, and often include functions like AM/FM tuners, streaming audio, and multiroom Internet radio.

Layman-Friendly Analogy

Think of it like a control center for your home entertainment system—it takes the input from your TV, Blu-ray player, streaming service, and radio, then amplifies the sound and sends it out to your speakers. It also allows you to switch between these devices easily.

Industry Usage Summary

Receivers are essential components in home audio and video systems, particularly in home theaters. They combine multiple functions into one unit, simplifying the setup and operation of a system. Modern receivers include features like surround-sound processing, multiroom audio streaming, and internet radio. They are designed to handle a wide range of audio and video formats and provide amplification for speakers. AV receivers are widely used for both casual entertainment and high-quality audio and video setups in homes, businesses, and entertainment venues.

Engineering Shortcut

A combined component that handles audio and video switching, amplification, and sometimes tuning or streaming.

Full Technical Explanation

A receiver is a multifunctional audio and video component that combines a preamplifier, power amplifiers, and a tuner within one chassis. In a home theater receiver, it typically includes multichannel surround decoders such as Dolby Digital, DTS, and other audio processing technologies for handling various formats and channel counts. Receivers act as a hub for connecting multiple audio and video sources, switching between them, amplifying signals to speaker level, and often providing additional features like radio tuning, streaming audio, and multiroom Internet radio. AV receivers are central to modern home entertainment systems, as they allow users to manage and process a wide variety of media sources while driving high-quality audio to the speakers.