Epoch-based analysis of speech signals

B Yegnanarayana, SV Gangashetty - Sadhana, 2011 - Springer
Speech analysis is traditionally performed using short-time analysis to extract features in
time and frequency domains. The window size for the analysis is fixed somewhat arbitrarily …

Combining pulse-based features for rejecting far-field speech in a HMM-based voice activity detector

Ó Varela, R San-Segundo, LA Hernández - Computers & Electrical …, 2011 - Elsevier
Nowadays, several computational techniques for speech recognition have been proposed.
These techniques suppose an important improvement in real time applications where …

Recognition of consonant-vowel (CV) units under background noise using combined temporal and spectral preprocessing

AK Vuppala, KS Rao, S Chakrabarti… - International Journal of …, 2011 - Springer
This paper proposes hybrid classification models and preprocessing methods for enhancing
the consonant-vowel (CV) recognition in the presence of background noise. Background …

Application of quantum neural networks in localization of acoustic emission

A Deng, L Zhao, W Xin - Journal of systems engineering and …, 2011 - ieeexplore.ieee.org
Due to defects of time-difference of arrival localization, which influences by speed
differences of various model waveforms and waveform distortion in transmitting process, a …

An accurate numerical method for estimating the delay between two omni-directional receiving elements

KV Rangaraoand, S Venkatanarasimhan - 2011 IEEE/AIAA 30th Digital …, 2011 - infona.pl
In any two elements of a sensor array with omni-directional receiving elements, the effect of
a narrow-band (NB) signal incident on the elements is the same for both of them, except for …

基于多路线性预测技术的时延估计

宋辉, 杨毅, 刘加 - 清华大学学报: 自然科学版, 2011 - cqvip.com
很多麦克风阵列时延估计算法在噪声和混响环境下性能都会下降. 该文提出一种基于多路线性
预测(multiple linear prediction, MLP) 的时延估计算法. 通过传递函数比估计来消除通道间传递 …

Effect of low bit rate speech coding on epoch extraction

AK Vuppala, J Yadav, S Chakrabarti… - … conference on devices …, 2011 - ieeexplore.ieee.org
Speech coding is one of the major degradation involved in building the speech systems in
mobile environment. In this paper, we are exploring the effect of low bit rate speech coding …

[图书][B] Auditory inspired methods for multiple speaker localization and tracking using a circular microphone array

T Habib - 2011 - theses.eurasip.org
This thesis presents a new approach to the problem of localizing and tracking multiple
acoustic sources using a microphone array. The use of microphone arrays offers …

[PDF][PDF] Interpolation and fitting less sub-sample time delay estimation

C Teixeira, W Pereira, M da Graca Ruano - researchgate.net
In this paper we propose a new method for subsample time delay estimation that operates
just over the discrete signals, without the need for interpolation or fitting. The new approach …

Combining pulse-based features for rejecting far-field speech in a HMM-based Voice Activity Detector. Computers & Electrical Engineering (CAEE).

O Varela Serrano, R San Segundo Hernández… - Computers and …, 2011 - oa.upm.es
Nowadays, several computational techniques for speech recognition have been proposed.
These techniques suppose an important improvement in real time applications where …