EQ的调节方式(国外英文资料).docVIP

EQ的调节方式(国外英文资料) The regulation of EQ Due to the resonance characteristics of the room, and a speaker system frequency response is not uniform for different reasons a sound absorption coefficient of sound absorption materials on the sound frequency, will result in some frequency sounds too strong and certain frequency sound problems. It must response to the frequency of adjustment room. The room balance has two kinds of methods: ear listening results adjustment, difficult, not easy to grasp, must have rich practical experience and familiar with the source program, and adjust the relevant SPL size is also related to the age of listening. Another method is to objectively measure and adjust with a pink noise source and audio spectrum analyzer. 1. equalizer adjustment method: Bass: 20Hz-40Hz, when appropriate and powerful voice. Can control the thunder, bass drum, organ and bass voice. Excessive promotion will make music become turbid. Bass: 40Hz-150Hz, is the basic part of the sound, the entire audio energy energy accounted for 70%, is an important component of the performance of music style. When appropriate, bass relaxation properly, full sound soft, low voice thin, 150Hz, excessive promotion will make the sound muffled, bright degree drops, nasal enhancement. Bass: 150Hz-500Hz, is part of the sound of the voice, in this position, insufficient, singing music will be submerged, sound soft and weak, appropriate to enhance feel powerful, improve the sound intensity and loudness. Ascension will make excessive bass become blunt 300Hz, excessive 3-6dB, as with the reverberation, it will seriously affect the clarity of voice. Alto: 500Hz-2KHz, low harmonics and harmonics contain most of the instruments, is a snare drum and percussion sound characteristics. The appropriate sound brilliant and lack of sound hazy. Excessive promotion will produce similar phone voice. ALT: 2KHz-5KHz, is the string sound characteristics (bow and string pull strings rub away, plucking fingers touc