Adaptive Gain Equalizer for improvement of esophageal speech
作者： Rizwan Ishaq , Begona Garcia Zapirain
DOI: 10.1109/ISSPIT.2012.6621278
关键词:
摘要: The vocal fold modulate the air source from lungs to produce voicing for speech production. essential part of production resides in larynx. larynx cancer treatment necessitate removal larynx, consequences normal destroyed due no available. new provided artificially or by use Paryngo-esophageal(PE) segments. residual signal Esophageal(E) uses PE segment, has irregular behavior, and produces degraded quality speech. This paper discussed evaluated enhancement E incorporating method Adaptive Gain Equalizer(AGE), time-frequency modulation frequency along with formants modification Line Spectral Frequencies(LSF) Linear Predicative Coding(LPC). system validated measuring Harmonic Noise Ratio(HNR) temporally maximum 4dB been observed comparison Kalman filtering based where 2dB.
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