【 Weak current College 】 how evaluation of sound quality hi-fi?---Power By 【 China power house network 】

Judgment on the merits of the audio system, first observation of the acoustic environment of their placing in position to play a performance, the sound box opened a certain distance, listeners and two speakers is an equilateral triangle. The left and right channels balance knob in the center position, turn off the General equipment has frequency balance device. From light to turn on volume knob until all the way up, listen to it under the static noise. Then, put yourself in a variety of equipment, on listening to the CD recording of cooked, slowly open volume, listen to the sound is fixed, judging by move around, the corresponding characteristics of the system, increase volume to ear just not feel discomfort in the choose software and cello, drums, and feel the bass of the expressive and powerful for thick, non-roiling, not enough light, open and hold; use the human voice to judge the performance of the baritone, hierarchy to distinct, neither contain nor render rich, mellow; using overtone-rich violin and metal percussion instruments sound judgment of treble, delicate and smooth, bright permeability, positioning accuracy is preferred; use combat music (such as broken glass, etc.) to its transient, dynamic, damping characteristics; with Symphony judgment sound field, and the overall balance of the frequency response and a sense of depth and presence; with large volume listening base power margin and dynamic range, with a very small volume judgements on the performance of low output.

In the quality evaluation, balance and nature we should pursue the goal, some people make good sound quality that is on the rendering of the bass and treble. It is no wonder that some operators to demonstrate their products are often of the bass and treble button to the extreme, cloudy customers have a freshness, lost his balance and nature, also obscures some disadvantages. In fact, in the enthusiasts in the spread of such a perspective; bass easy to find, treble, Alto is rare.