Un microphone (souvent appelé micro par apocope) est un transducteur électroacoustique, c'est-à-dire un appareil capable de convertir un signal acoustique en signal électrique [1].. L'usage de microphones est aujourd'hui largement répandu et concourt à de nombreuses applications pratiques : télécommunications (téléphone, radiotéléphonie, Interphone, systèmes …

The first microphone that enabled proper voice telephony was the (loose-contact) carbon microphone (then called transmitter). This was independently developed around 1878 by David Edward Hughes in England and Emile Berliner and Thomas Edison in the US. Although Edison was awarded the first patent in mid-1877, Hughes had demonstrated his working device in front …

A microphone, colloquially called a mic or mike (/ m aɪ k /), 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 recording, two-way radios, megaphones, and radio …

Microphone Champion is the second studio album by English grime MC Skepta, released on 1 June 2009. It includes the single "Too Many Man" featuring Boy Better Know, also featured on Wiley's own album, Race Against Time, and Shorty's "Short Man Syndrome". Singles. Rolex Sweep" is the first single from ...

A hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss.Hearing aids are classified as medical devices in most countries, and regulated by the respective regulations. Small audio amplifiers such as personal sound amplification products (PSAPs) or other plain sound reinforcing systems cannot be sold as "hearing aids".

Karaoke (/ ˌ k ær i ˈ oʊ k i /; Japanese: (); カラオケ, clipped compound of Japanese kara 空 "empty" and ōkesutora オーケストラ "orchestra") is a type of interactive entertainment usually offered in clubs and bars, where people sing along to recorded music using a microphone.The music is an instrumental version of a well-known popular song. Lyrics are usually displayed on …

The 2009 MTV Video Music Awards, honoring the best music videos from the previous year between June 2008 to June 2009, were presented on September 13, 2009, at the Radio City Music Hall in New York City, and televised by MTV.The ceremony was hosted by Russell Brand.. Beyoncé, Green Day, and Lady Gaga were tied for the most-awarded acts of the night, winning …

Microphone construction and basic placement advice เก็บถาวร 2009-10-16 ที่ เวย์แบ็กแมชชีน; History of the Microphone เก็บถาวร 2010-08-23 ที่ เวย์แบ็กแมชชีน

Monaural or monophonic sound reproduction (often shortened to mono) is sound intended to be heard as if it were emanating from one position.This contrasts with stereophonic sound or stereo, which uses two separate audio channels to reproduce sound from two microphones on the right and left side, which is reproduced with two separate loudspeakers to give a sense of the …

A semiconductor is a material, which has an electrical conductivity value falling between that of a conductor, such as copper, and an insulator, such as glass.Its resistivity falls as its temperature rises; metals behave in the opposite way. Its conducting properties may be altered in useful ways by introducing impurities ("doping") into the crystal structure.