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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 ...
Fire OS 6~8. Website. Amazon Echo (US) Amazon Echo (UK) Amazon Echo (Ger) Amazon Echo (India) Amazon Echo (France) Amazon Echo, often shortened to Echo, is a brand of smart speakers developed by Amazon. Echo devices connect to the voice-controlled intelligent personal assistant service Alexa, which will respond when a user says "Alexa".
Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup). In this example, a signal received by the microphone is amplified and passed out ...
The “Password and Security” page also includes a list titled “Where You’re Logged in.”. If there’s a log-in that you don’t recognize, follow these steps: Click on the suspicious log ...
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Since a conventional speaker is similar in construction to a dynamic microphone (with a diaphragm, coil and magnet), speakers can actually work "in reverse" as microphones. Reciprocity applies, so the resulting microphone has the same impairments as a single-driver loudspeaker: limited low- and high-end frequency response, poorly controlled ...
Facebook Paper. During the same week as its tenth anniversary (in 2014), Facebook launched the Paper iPhone app. The app consists of two major features: Firstly, Facebook's News Feed is more graphic, as the app uses technology such as full-screen photos and video footage.
Human microphone. A human microphone, also known as the people's microphone, is a means for delivering a speech to a large group of people, wherein persons gathered around the speaker repeat what the speaker says, thus "amplifying" the voice of the speaker without the need for amplification equipment. The speaker begins by saying "mic check".