Title :
Detection of clicks in audio signals using warped linear prediction
Author :
Esquef, Paulo ; Karjalainen, Matti ; Välimaki, Vesa
Author_Institution :
Lab. of Acoust. & Audio Signal Process., Helsinki Univ. of Technol., Espoo, Finland
Abstract :
Warped linear prediction (WLP) is applied to a model-based method to detect impulsive disturbances in audio signals. According to simulations performed on artificially corrupted audio signals, the adoption of negative values for the warping factor favors the click detection scheme. As a consequence, for equal levels of missing (false) detection, the WLP-based scheme yields a consistently lower percentage of false (missing) detection than the conventional method.
Keywords :
acoustic signal detection; audio signal processing; impulse noise; interference suppression; prediction theory; audio signals; click detection; false detection; frequency warping; impulsive noise removal; missing detection; warped linear prediction; Acoustic signal detection; Acoustic signal processing; Brazil Council; Digital signal processing; Economic forecasting; Frequency; Parameter estimation; Predictive models; Signal processing; Signal reconstruction;
Conference_Titel :
Digital Signal Processing, 2002. DSP 2002. 2002 14th International Conference on
Print_ISBN :
0-7803-7503-3
DOI :
10.1109/ICDSP.2002.1028279