This page was last edited lovers and players pdf 20 December 2017, at 02:04. Unsourced material may be challenged and removed. A key goal of audiophiles is to capture the experience of a live musical performance in a room with good acoustics, and reproduce it at home.
It is widely agreed that this is very difficult and that even the best-regarded recording and playback systems rarely, if ever, achieve it. Sound vibrations are reflected from walls, floor and ceiling, and are affected by the contents of the room. Soft materials, such as draperies and carpets, can absorb higher frequencies, whereas hard walls and floors can cause excess reverberation. Top-loading CD player and external D-to-A converter. Since the early 1990s, CDs have become the most common source of high-quality music. CD audio signals are encoded in 16-bit values. Some higher-definition consumer formats such as HDCD-encoded CDs contain 20-bit and even 24-bit audio streams.
20 bit dynamic range is theoretically 120 dB—the limit of most consumer electronic playback equipment. Many audiophile-oriented preamplifiers lack tone controls. An integrated amplifier combines the functions of power amplification with input switching and volume and tone control. The enclosure plays a major role in the sound of the loudspeaker.
Driver designs include dynamic, electrostatic, plasma, ribbon, planar, ionic, and servo-actuated. Drivers are made from a variety of materials including paper pulp, polypropylene, kevlar, aluminum, magnesium, beryllium, and vapor-deposited diamond. The direction and intensity of the output of a loudspeaker, called dispersion or polar response, has a large effect on its sound. Various methods are employed to control the dispersion. These methods include monopolar, bipolar, dipolar, 360-degree, horn, waveguide, and line source. These terms refer to the configuration and arrangement of the various drivers in the enclosure.
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The positioning of loudspeakers in the room has a strong influence on the sound experience. Loudspeaker output is influenced by interaction with room boundaries, particularly bass response, and high frequency transducers are directional, or “beaming”. Audiophiles use a wide variety of accessories and fine-tuning techniques, sometimes referred to as “tweaks”, to improve the sound of their systems. There are several types of room treatment.