Relationship between frequency response and sound quality evaluation
Many terms of sound quality evaluation are related to frequency response. According to the requirements of the sound quality evaluation, the entire audio range is generally divided into four frequency bands or nine sound ranges. The four frequency bands are low frequency band (below 150 Hz), medium and low frequency band (150-500 Hz), medium and high frequency band (500-5000 Hz) and high frequency band (above 5000 Hz). The low frequency is the basis of sound, the thickness, and the medium and low frequency is the intensity. The middle and high frequencies are brightness, the high frequency is color; the nine fields are the lowest, middle, middle, middle, middle and high, second high, high and super high, which correspond to the depth, severity and thickness of the sound respectively. , intensity, brightness, transparency, chroma, sharpness and brittleness. Understand the influence of each frequency band and each range on the sound quality, which has certain practical significance for analyzing the technical performance of the sound system and correctly adjusting the frequency balance.
