Determine the sound quality of a sound.Shanghai conference room sound system

　　Often, different people will give a very subjective evaluation based on their own feelings. There are many factors that determine a sound quality and sound quality, such as cavity design, materials, workmanship, speakers, chips, debugging, etc. As an ordinary consumer, what dimensions do we judge the so -called sound quality? Intersection Seize the following points:

　　1. Spatial sense, is it enough to be immersive

　　The sense of space is one of the most intuitive feelings of the listener. It is a panoramic view of the sound field atmosphere. The sound in the room is caused by the audience from various directions. People's hearing cannot determine these directions separately, but can get a general impression, this is the sense of space. The sound distortion is small, the dynamic range is large, the transient response is good, the sound of various sound source sounds is accurate and clear, and the complete sound group distribution is layered and the sound has a sense of immersiveness. Then even the sound quality is outstanding.

　　2. Balance, whether the three -frequency coordination

　　The energy of most musical instruments, including human voice, is in the medium frequency band; the hearing of human ears is also the most sensitive to the mid -frequency. Therefore, the problem of the medium frequency band is crucial to the speaker system. The peak valley in this band and the sound stain caused by some resonance directly affects the sound. The quality of high -frequency overweight is one of the key differences between the HIFI system and the non -HIFI system. The corresponding amplitude of the high frequency is high, or the resonance is too much, which will cause poor high -frequency performance. Good low frequency is precise tone, clean and clear blow, and can distinguish every rhythm.

　　Whether the three -pointer coordinates is the most fundamental fundamental to evaluating the speaker system. If there are many high -frequency bands, the performance of this system is too bright; if the high frequency is too small, the system is too dark. If you cover other frequency bands at low frequencies, it sounds too boring; if low frequency is too small, it is called too thin or too dry.

　　The good sound quality is to be consistent with the balance of channels between each speaker, the characteristics of gain, and frequency response, and the sound image is normal and non -offset. The energy balance of high frequency, intermediate frequency, and low frequency.

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