Acoustic classification and segmentation using modified spectral roll-off and variance-based features

M Kos, Z Kačič, D Vlaj - Digital Signal Processing, 2013 - Elsevier
This paper presents novel features and an architecture for an automatic on-line acoustic
classification and segmentation system. The system includes speech/non-speech segmentation …

Tennis stroke detection and classification using miniature wearable IMU device

M Kos, J Ženko, D Vlaj… - … Conference on Systems …, 2016 - ieeexplore.ieee.org
This paper presents work related to tennis stroke detection and classification. For arm
movement acquisition a miniature wearable IMU device, positioned on the player's forearm (right …

Acoustic gender and age classification as an aid to human–computer interaction in a smart home environment

D Vlaj, A Zgank - Mathematics, 2022 - mdpi.com
The advanced smart home environment presents an important trend for the future of human
wellbeing. One of the prerequisites for applying its rich functionality is the ability to …

A computationally efficient mel-filter bank VAD algorithm for distributed speech recognition systems

D Vlaj, B Kotnik, B Horvat, Z Kačič - EURASIP Journal on Advances in …, 2005 - Springer
This paper presents a novel computationally efficient voice activity detection (VAD) algorithm
and emphasizes the importance of such algorithms in distributed speech recognition (DSR) …

The influence of Lombard effect on speech recognition

D Vlaj, Z Kacic - Speech technologies, 2011 - books.google.com
The origin of Lombard effect dates back one hundred years. In 1911 Etienne Lombard
discovered the psychological effect of speech produced in the presence of noise (Lombard, 1911)…

[PDF][PDF] Robust MFCC feature extraction algorithm using efficient additive and convolutional noise reduction procedures

B Kotnik, D Vlaj, Z Kacic, B Horvat - ICSLP, 2002 - researchgate.net
In this paper a robust mel frequency cepstral coefficient feature extraction procedure using
noise reduction, frame attenuation and RASTA processing is presented. In the preprocessing …

[PDF][PDF] Odstranjevanje šumnih znacilk pri avtomatskem razpoznavanju govora

D Vlaj, Z Kacic, B Horvat - ev.fe.uni-lj.si
Uspešnost razpoznavanja govora se v procesu avtomatskega razpoznavanja govora obcutno
zmanjša, kadarkoli je pri tem prisoten šum. Zaradi dejstva, da je šum v ozadju v svetu …

On-line speech/music segmentation for broadcast news domain

M Kos, M Grasic, D Vlaj, Z Kacic - 2009 16th International …, 2009 - ieeexplore.ieee.org
This paper presents novel feature-group for on-line speech/music segmentation for broadcast
news domain. The features are based on mel-frequency cepstral coefficients variance (…

[PDF][PDF] Recognition performance of the siemens front-end with and without frame dropping on the aurora 2 database

B Andrassy, D Vlaj, C Beaugeant - cep, 2001 - isca-archive.org
Following the objective of the Eurospeech special event,'Noise Robust Recognition', the
recognition results of a noise robust front-end, developed by Siemens, on the Aurora 2 …

Efficient noise robust feature extraction algorithms for distributed speech recognition (DSR) systems

B Kotnik, D Vlaj, B Horvat - International Journal of Speech Technology, 2003 - Springer
The evolution of robust speech recognition systems that maintain a high level of recognition
accuracy in difficult and dynamically-varying acoustical environments is becoming …