Photoshop Designer

6 November 2010

Audio Equipment

Introduction Of Audio System
Modern audio system creates
sound by utilizing modern
electronic ingredients
• Three elements of an audio system:
– Source
– Amplification
– Output



High Fidelity (Hi-fi)


• Fidelity is the accuracy with which a system reproduces the original signal fed to it.
• High Fidelity is the technique of recording, broadcasting and reproducing sound to match the
  characteristic of the original sound
• The goal of hi-fi is to reproduce an identical set of sound vibration
• It must be able to span the entire human hearing frequency range


Microphones


• Microphones are transducers which detect sound signals and produce an electrical image of the
sound, i.e., they produce a voltage or a current which is proportional to the sound signal.
• The most common microphones for musical use are dynamic,
ribbon, or condenser microphones.
• Besides the variety of basic mechanisms, microphones can be designed with different directional patterns




Type Of Enclosure


The production of a good high fidelity loudspeaker requires that the speakers be enclosed because
of a number of basic properties of loudspeakers.
• Just putting a single dynamic loudspeaker in a closed box will improve its sound quality dramatically.

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