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Vuvuzela sound denoising algorithm 1.0

  Date Added: July 16, 2013  |  Visits: 208

Vuvuzela sound denoising algorithm

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The sound denoising algorithm is based on the popular spectral subtraction technique. Based on the spectrum of the vuvuzela sound, this denoising technique simply computes an antenuation map in the time-frequency domain. Then, the audio signal is restored by computing the inverse STFT. See [1-3] for more detail about the algorithm.The zip file contains:- the vuvuzela_denoising.m file- the vuvuzela.wav audio fileTo hear the result of this algorithm, go directly to: http://soundcloud.com/choc29/vuvuzela-correction-with-matlabNote that better denoising audio results could be obtained by properly tuning the algorithm parameters.References:[1] Steven F. Boll, "Suppression of Acoustic Noise in Speech Using Spectral Subtraction", IEEE Transactions on Signal Processing, 27(2),pp 113-120, 1979[2] Y. Ephraim and D. Malah, d-deDUSpeech enhancement using a minimum mean square error short-time spectral amplitude estimator,d-deDt IEEE. Transactions in Acoust., Speech, Signal Process., vol. 32, no. 6, pp. 1109d-deOCt1121, Dec. 1984.[3] S. Mallat, "A Wavelet Tour of Signal Processing", Academic Press, 3rd edition, 2008.

Requirements: No special requirements
Platforms: Matlab
Keyword: 272pp Acoustic Enhancement Ephraim Malah Noise Processing Quota Quotsuppression Signal Spectral Speech Steven Subtractionquot Transactions
Users rating: 0/10

License: Freeware Size: 1.13 MB
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