Speaker sound field equalization equipment

Abstract

The invention relates to the audio signal processing technology field, and discloses loudspeaker sound field balancing equipment comprising an acquisition device, a sound source fitting device, a processor, and a balancing filter. The acquisition device is used to acquire output of a sound source. The sound source fitting device is used to generate a fitting frequency response characteristic curveaiming at the sound source. The processor is used to generate the response characteristic curve according to the output of the sound source acquired by the acquisition device, and is used to comparethe fitting frequency response characteristic curve with a response frequency response characteristic curve to acquire a difference, and is used to set the balancing filter at a corresponding level according to the difference and different frequency bands. The balancing filter is used for the filtering of the output of the sound source at the corresponding level, and is used to output the sound source after the filtering by the loudspeaker. The acquisition device is used to acquire the output which is from the sound source through the loudspeaker and is filtered, and the processor is used to generate the response characteristic curve after adjustment, and is used to compare the response characteristic curve with the fitting frequency response characteristic curve, and the filtering is repeated, until the response characteristic curve is consistent with the fitting frequency response characteristic curve, and then the sound source output is adjusted to output different scene effects according to different fitting curves, and then the adjusting process is completed automatically, and working efficiency and working precision are improved.

Description

technical field [0001] The present invention relates to the technical field of audio signal processing, in particular to a loudspeaker sound field equalization device. Background technique [0002] In KTV, concert hall and other application backgrounds, after the completion of new construction, the audio curve in the room needs to be adjusted, or after a period of operation in KTV or concert hall, the placement of furniture in the room and the aging of decoration materials will affect the The audio curve in the room has an effect. It is necessary to hire a professional tuner to adjust the audio equipment / speakers in various rooms of KTV or concert hall. [0003] Based on experience, the tuner adjusts the equalization curve through the effector at the best treble position. During the adjustment process, the tuner repeatedly compares and plays music to achieve the best tuning effect. [0004] Manual tuning has many limitations, such as poor accuracy, long adjustment time, u...

AI Technical Summary

Problems solved by technology

[0004] Manual tuning has many limitations, such as poor accuracy, long adjustment time, uneven level of tuners, high cost, etc.

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