Sound Recording
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Sound recording and reproduction is an electrical or mechanical inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording. Acoustic analog recording is achieved by a small microphone diaphragm that can detect changes in atmospheric pressure (acoustic sound waves) and record them as a graphic representation of the sound waves on a medium such as a phonograph (in which a stylus senses grooves on a record). In magnetic tape recording, the sound waves vibrate the microphone diaphragm and are converted into a varying electric current, which is then converted to a varying magnetic field by an electromagnet, which makes a representation of the sound as magnetized areas on a plastic tape with a magnetic coating on it. Analog sound reproduction is the reverse process, with a bigger loudspeaker diaphragm causing changes to atmospheric pressure to form acoustic sound waves. Electronically generated sound waves may also be recorded directly from devices such as an electric guitar pickup or a synthesizer, without the use of acoustics in the recording process other than the need for musicians to hear how well they are playing during recording sessions. Digital recording and reproduction converts the analog sound signal picked up by the microphone to a digital form by a process of digitization, allowing it to be stored and transmitted by a wider variety of media. Digital recording stores audio as a series of binary numbers representing samples of the amplitude of the audio signal at equal time intervals, at a sample rate high enough to convey all sounds capable of being heard. Digital recordings are considered higher quality than analog recordings not necessarily because they have higher fidelity (wider frequency response or dynamic range), but because the digital format can prevent much loss of quality found in analog recording due to noise and electromagnetic interference in playback, and mechanical deterioration or damage to the storage medium. A digital audio signal must be reconverted to analog form during playback before it is applied to a loudspeaker or earphones. From Wikipedia under the
GNU Free Documentation License Matching Results for Sound Recording:recordingPresent participle of record A reproduction of sound and/or video, stored in a permanent medium. I made a recording of the show. sound engineering The technical discipline of recording and producing sound. Sound engineering has progressed greatly since the early days of the phonograph. (less ... sound Healthy. He was safe and sound. Complete, solid, or secure. Fred assured me the floorboards were sound. (mathematics, logic) (argument, logical ... From Wiktionary under the
GNU Free Documentation License Matching Results for Sound Recording:SamplingProducers on sampling "[Samples have] a certain reality. It doesn't just take the sound, it takes the whole way it was recorded. The ambient sounds, the little bits of ... Simon and Garfunkel Simon and Garfunkel are an American popular music duo comprising Paul Simon and Arthur "Art" Garfunkel. They are well known for their close harmonies and sometimes unstable ... Shawn Lane Shawn Lane (March 21, 1963 September 26, 2003) was an American musician. He quickly became a noted player in underground guitar circles and joined Black Oak Arkansas when ... From Wikiquote under the
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