Essays about: "Ulf Hammarqvist"

Found 1 essay containing the words Ulf Hammarqvist.

  1. 1. Audio editing in the time-frequency domain using the Gabor Wavelet Transform

    University essay from Uppsala universitet/Centrum för bildanalys

    Author : Ulf Hammarqvist; [2011]
    Keywords : Wavelet transform; time-frequency analysis; audio engineering; signal processing; audio restoration; audio interpolation; pitch-shift; time-stretch; loglet; compression; down-sampling; visualization; fourier transform; convolution; filter bank; digital filters; noise reduction; re-assignment; gabor transform; scalogram;

    Abstract : Visualization, processing and editing of audio, directly on a time-frequency surface, is the scope of this thesis. More precisely the scalogram produced by a Gabor Wavelet transform is used, which is a powerful alternative to traditional techinques where the wave form is the main visual aid and editting is performed by parametric filters. READ MORE