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A PC speaker is a loudspeaker built into some IBM PC compatible computers. The first IBM Personal Computer, model 5150, employed a standard 2.25 inch magnetic driven (dynamic) speaker. [1] More recent computers use a tiny moving-iron or piezo speaker instead. [2] The speaker allows software and firmware to provide auditory feedback to a user ...
Surround sound. Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener ( surround channels ). Its first application was in movie theaters. Prior to surround sound, theater sound systems commonly had three screen channels of sound that ...
Laser microphone. A laser microphone is a surveillance device that uses a laser beam to detect sound vibrations in a distant object. It can be used to eavesdrop with minimal chance of exposure. The object is typically inside a room where a conversation is taking place and can be anything that can vibrate (for example, a picture on a wall) in ...
A microphone, colloquially called a mic (/ m aɪ k /), [1] or mike, [a] is a transducer that converts sound into an electrical signal. Microphones are used in many applications such as telephones , hearing aids , public address systems for concert halls and public events, motion picture production, live and recorded audio engineering , sound ...
Game testing, also called quality assurance ( QA) testing within the video game industry, is a software testing process for quality control of video games. [ 1][ 2][ 3] The primary function of game testing is the discovery and documentation of software defects. Interactive entertainment software testing is a highly technical field requiring ...
Binaural recording. Binaural recording is a method of recording sound that uses two microphones, arranged with the intent to create a 3D stereo sound sensation for the listener of actually being in the room with the performers or instruments. This effect is often created using a technique known as dummy head recording, wherein a mannequin head ...
Voice chat in online gaming. An Xbox 360 wired headset. Voice chat is telecommunication via voice over IP (VoIP) technologies—especially when those technologies are used as intercoms among players in multiplayer online games. The VoIP functionality can be built into some games, be a system-wide communication system, or a third-party chat ...
A sound reinforcement system is the combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience. [1] [2] In many situations, a sound reinforcement system is also ...