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Perceptual Filtering for Speech Enhancement
https://www.vocal.com/perceptual-filtering/#:~:text=Perceptual%20Filtering%20Using%20a%20perceptual%20scale%20for%20frequency%2C,are%20better%20suited%20for%20the%20receiver%20%28our%20ear%29.
Perceptual Filtering for Speech Enhancement
https://www.vocal.com/perceptual-filtering/
In addition to perceptual scales, there are perceptual filters. These filters are bandpass filters that can be used to isolate certain perceptually relevant portions of the spectrum for further processing. Such filters include the gammatone filterbank, the gammachirp filterbank, and the third/full octave filterbanks.
Application of Perceptual Filtering Models to Noisy …
https://www.hindawi.com/journals/jece/2012/282019/
The human auditory system may be sensitive to abrupt artifacts changes and transient component in the noisy speech signal based on time-frequency analysis with a nonlinear frequency selectivity of the basilar membrane Thus, the human hearing process is modeled as a series of transformations of the acoustic signal via an array of overlapping band-pass filters …
Perceptual Noise Reduction for Voice Quality Enhancement
https://www.vocal.com/noise-reduction/perceptual-noise-reduction/
Perceptual Noise Reduction for Voice Quality Enhancement. Perceptual Noise Reduction (PNR) is noise reduction done using a perceptual (non-linear) frequency scale. There are a variety of different scales to use, such as the currently most popular Mel scale, the fallen out of favor Bark scale, its replacement the Equivalent Rectangular Bandwidth (ERB) scale, the slightly more …
Performance Improvement of Perceptual Filter Using …
https://www.researchgate.net/publication/263633150_Performance_Improvement_of_Perceptual_Filter_Using_Noise_Energy_Control
In this paper, we propose an algorithm that improves a tone quality of a noisy audio signal in order to enhance a Performance of perceptual filter using noise energy control.
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