It reduces the "music noise" using the human auditory characteristics, and enhances the hearing quality using the speech spectrum distribution characteristics in the time-frequency dimension.
This paper studies the speech enhancement technology, and proposes an improved spectral subtraction method based on the auditory characteristics and the speech spectrum characteristics.
An analysis was made of ABR frequency spectrumspectrum of 15 normal guinea pigs and 18 guinea pigs with the destruction of different plane of auditory pathway.