Pre-calibrating acoustic equalizing apparatus

Abstract

A preconditioning acoustic equalization device adds an adjustor before the alignment circuit of the equalization setting device. The adjustor has a frequency control circuit, a signal generator circuit, a radio-voltage amplifier circuit, and a microphone, wherein, the radio-voltage amplifier circuit is connected with a comparison circuit and a display circuit and adjustment circuit, and the frequency control circuit is provided with a frequency reference and a plurality of dividing frequencies. The preconditioning acoustic equalization method includes: adjusting the audio by the adjuster before playing back the audio, each frequency transmits a frequency reference standard point signal and reference point signals of each dividing frequency through the signal generator circuit, the sound amplifier and the horn broadcasting the signals, the microphone receiving the signal voices at the listening point, a comparison circuit comparing the strength of the obtained signals with the standard value to display by the display circuit, the alignment circuit modulating the signals so that the strength of the signals of each dividing frequency point is equal to that of the standard point, and finally playing the music after completing the correction capable of correcting the acoustics frequency spectrum distortion problem caused by the audio equipment and space.

Description

Technical field: [0001] The present invention relates to a sound equalization structure, in particular to a pre-tuned sound equalization device. Background technique: [0002] Known audio equalizer, known is what we currently have and know habitually. As shown in the first picture, when the audio signal source player, such as radio, TV, CD player, DVD video player, accompaniment player, tuner, etc., connects the sound signal to the input of the equalizer, the sound signal is directly After each frequency amplitude adjustment of the equalizer (equivalent to the part of the adjustment circuit of the present invention), it is output to the loud and loud state of the volume adjustment circuit, and the loudspeaker is pushed to play the sound through the sound amplification circuit. At this time, the amplitude of the preset frequency point is manually adjusted according to the preference, without considering the real sound balance problem; that is to say, the general sound system...

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a pre-tuned audio equalization device, which solves the defects of unbalanced waveforth size and space standing wave interference caused by audio equipment speakers and space during audio playback, so as to greatly improve the quality of listening to audio. Texture; use the additional microphone to adjust the amplitude value (gain or attenuation value) of each frequency point on the equalization device, so that the amplitude of each adjusted frequency point is equalized, so as to correct the overall playback equipment such as amplifiers, speakers and The problem of amplitude deformation and distortion caused by space

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