First, the sound quality:
Refers to the quality of the sound. Also known as Voice / timbre, it refers not only sounds good or bad, and also refers to the degree of clarity or fidelity sound. Example: a sense of depth in the evaluation of our quality audio equipment when not in it, H beam Connecting Rods and how to locate a sense, but rather it gives the hearing sounds comfortable, Naiting. A good quality audio equipment, like a good voice, one hundred people without getting tired.
Second, the tone:
Refers to the color of the sound. (Pitch + overtone = tone) color the sound of course we can not see, but hear. Example: Violin really really cold to say warm, the more the more soft warm, the more cold the more hard. Shape, texture, timbre decide how many overtones.
Third, the high, medium and low, the amount of control the amount of sense:
Amount of sense means more treble, bass less argument. The control means control equipment, which can reflect the merits of audio equipment.
Fourth, the sound field performance:
Good sound field performance of their impression is: 1, intimacy (example: the actors and the audience has to communicate, vivid) 2, Tuning Parts enveloping surround the scene.
The performance of the sound field can be divided into three parts to understand: a sound field position 2, the depth of the sound field (example: Violin grasp the distance between the timpani and bass drum) 3, the sound field width (that is, that we find ourselves in the space only)
Fifth, the sound of a sense of density and weight:
Good sound sense of density and weight, sound and musical instruments makes it more stable and more solid and more like really. Density, heavy weight gives the hearing: There are sticky strings of diarrhea, wind, thick and full, percussion feel the air has knocked up vibrations.

Related Articles: http://www.mycharitypage.com/annahall/blog/4504308/ http://annahall1.deviantart.com/journal/Reading-performance-street-cars-converted-school-s-505665332