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Digital tinnitus masker

A masker, digital technology, applied in ear treatment and other directions, can solve the problems of low control accuracy, unable to cover patients, unable to achieve the purpose of tinnitus masking, etc., and achieve the effect of stable performance and high control accuracy.

Inactive Publication Date: 2011-04-13
INST OF ACOUSTICS CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different tinnitus patients are suitable for different masking sound frequencies. If the adjustable frequency band is too small to cover the frequency part required by the patient, or the range of adjustable sound output intensity is not wide enough, good tinnitus masking cannot be achieved.
In addition, the existing tinnitus masker is designed to obtain noise from the outside as the signal source, and the domestic tinnitus masker uses analog technology, and the control accuracy is not high

Method used

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Digital tinnitus masker signal processing system block diagram of the present invention, as figure 1 shown. The system is composed of a signal generation unit, a signal processing unit, a signal control unit and a signal output unit.

[0034] The signal generation unit is mainly composed of a signal generator, and the signal generator is used as a signal source to generate a digital white noise signal; a signal processing unit is used to process the digital white noise signal generated by the signal generation unit to extract the masking Acoustic signal; the signal output unit is mainly composed of a transducer, which is used to output the masking sound signal generated by the signal processing unit through the electro-acoustic transducer after D / A conversion. The signal control unit is mainly composed of a volume control knob and a frequency s...

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Abstract

The invention relates to a digital tinnitus masker, which comprises a signal generating unit, a signal processing unit and a signal output unit, wherein the signal generating unit comprises a signal generator which is used for generating a digital white noise signal; the signal processing unit comprises a band-pass filter which is used for extracting a masking sound signal from the digital white noise signal; and the signal output unit comprises a transducer which is used for performing the D / A conversion of a generated masking sound signal and outputting the signal. In the invention, the frequency range and sound output strength range of the generated masking sound are enlarged, frequency bands are divided by combining psychoacoustics and the acoustical characteristics of human ears, a required masking sound frequency band can be selected freely, the different masking needs of more tinnitus patients can be satisfied, and control accuracy is improved.

Description

technical field [0001] The invention relates to equipment for treating tinnitus, in particular to a digital tinnitus masker. Background technique [0002] The methods of treating tinnitus mainly include drug therapy, masking therapy, acupuncture, electric / magnetic stimulation, ultrasound, hyperbaric oxygen, biofeedback and so on. Among these various tinnitus treatment schemes, masking therapy is a common method for treating tinnitus. It refers to the purpose of reducing or eliminating tinnitus by externally receiving sound. Its masking effect can be divided into active relief and passive relief. The former refers to Tinnitus is suppressed during the sounding period, the latter refers to continuous suppression of tinnitus after the masking is over, also known as aftereffect inhibition (RI). The advantage of this method is that it is a physiological therapy, which is simple, safe, has no obvious side effects, and has high efficiency. After some patients receive masking treatm...

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Application Information

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IPC IPC(8): A61F11/00
Inventor 陈振声崔杰肖灵陈光葛勇嘉王玥王晓东
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI