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 Writer-Andy  Source-Professionadl Audio Website

Actuator is a harmonic generator, the use of human psycho-acoustic characteristics of the voice signal modification and landscaping of sound processing equipment.Increased by high-frequency harmonics to the sound and other methods, can improve the sound quality, tone, improve the sound penetration, increased the sound sense of space.Modern actuator can not only create a high-frequency harmonics, but also has low-frequency extension and musical style, and features that make bass more perfect, the music more expressive.

Use actuator to improve sound clarity, intelligibility, and expressive.Make the sound more melodious, reduce listening fatigue, increased loudness.Although the incentives are only about 0.5dB added to the sound of harmonic components, but the actual sound, the volume seems to increase about 10dB.Hearing the sound loudness increased significantly, the three-dimensional sound image and sound of separation increased; improved sound positioning and layering, but also can improve the sound quality playback, the tape copy rate.Because the acoustic signal in the transmission and recording will be lost during high-frequency harmonic components, high-frequency noise occurs.At this point the former with the first actuator to compensate for the signal, which can filter out high frequency noise filter, and then create a treble ingredients to ensure quality playback.

Actuator adjustment needs sound engineer and sound quality of the system to discriminate, and then adjusted based on subjective listening evaluation.