[PDF][PDF] Evaluating the Complexity and Robustness of Speech Utterances using Length and Variance Fractal Dimensions

K Brezinski - Department of Electrical and Computer Engineering …, 2019 - researchgate.net
… the robustness of our techniques to noise will allow for a better form of speech recognition. …
for resolving noisy signals was put forth by [5] using a filtered-correlation fractal dimension

Speech emotion classification using fractal dimension-based features

G Tamulevičius, R Karbauskaitė… - … Analysis: Modelling and …, 2019 - zurnalai.vu.lt
… as an accumulated change of signal values, and d as a dynamic range of the speech signal.
… a suboptimal feature filtering approach to eliminate redundant, irrelevant or noisy features. …

The effect of noise and nonlinear noise reduction methods on the fractal dimension of chaotic time series

N Zandi-Mehran, S Jafari, SMRH Golpayegani… - Fractals, 2021 - World Scientific
… of dynamics. 20 Although there are many algorithms for calculating the fractal dimension,
none … 50 Therefore, we apply the geometrically based filters on the phase space to identify the …

Improved noise-resilient isolated words speech recognition using piecewise differentiation

FS Al-Anzi - Fractals, 2022 - World Scientific
… and Dynamic Time Warping (DTW) for implementing a noise-resilient speech recognition
system … Pre-emphasis filtering, noise thresholding, and zero alignment techniques are used to …

Investigating feature spaces for isolated word recognition

P Treigys, G Korvel, G Tamulevičius… - Data science: New …, 2020 - Springer
… The speech analysis part of the speech recognition system … Taking into account these
successful fractal dimension features-… The number of filters used in this research is equal to 128. …

Nonlinear dynamic feature extraction based on phase space reconstruction for the classification of speech and emotion

Y Sun, XY Zhang, JH Ma, CX Song… - … Problems in Engineering, 2020 - Wiley Online Library
… by extracting the fractal dimension features in natural speech [9, 10]. … noise cancellation
performance for speech recognition but … of speech on the recognition results, this paper filters the …

Novel feature representation using single frequency filtering and nonlinear energy operator for speech emotion recognition

R Thirumuru, K Gurugubelli, AK Vuppala - Digital Signal Processing, 2022 - Elsevier
… the speech signals for emotion recognition. The emotional arousal of a speaker is reflected in
the speech, which in turn is reflected in spectral dynamicsspeech recognition in noise [85]. …

Glottal activity detection from the speech signal using multifractal analysis

G Jyothish Lal, EA Gopalakrishnan… - Circuits, Systems, and …, 2020 - Springer
filtering the non-pre-emphasized speechspeech, and silence and noise as non-speech
[4]. VAD is also used in a number of speech technology applications such as speech recognition

Robust speech emotion recognition using CNN+ LSTM based on stochastic fractal search optimization algorithm

AA Abdelhamid, ESM El-Kenawy, B Alotaibi… - Ieee …, 2022 - ieeexplore.ieee.org
… filter banks) approaches to learning filters as part of the network. … the noise ratio as the 0.005
× max value in the speech signal… of speech processing, such as speech recognition, speech

Speech recognition system using enhanced mel frequency cepstral coefficient with windowing and framing method

S Lokesh, MR Devi - Cluster Computing, 2019 - Springer
… the noisy input speech signal in the DFT domain. Especially, Kalman filter is used for filtering
and modeling the temporal trajectories of noisy … A dynamic role of windowing and framing …